Ductile Iron Grades Comparison

Ductile cast iron has strength and toughness higher than those of gray cast iron. In addition to our U. Ductile iron castings have production and machining cost advantages over steel fabrications, forgings and castings within the limitations of the ductility and impact properties and have strength to weight advantages over grey iron castings where breakage is a problem. In the design of watermain, the normal practice is to use ductile iron for pipe size less than 600mm and to use steel for pipe size more than 600mm. , “Wind Energy: A Market for High Quality Ductile Iron Castings”, Proc. The steel grades which are commonly available from various sources in the Indian alloy steel markets are among the following classes. Heat treatment of ductile iron 42 7. General recommended starting conditions: In irons: 40% faster than the coated carbide on the first corner. 2009; accepted in revised form: 30. Dura-Bar standard grades – color code identification system 60-40-18 contains nodular graphite in a matrix of all ferrite and is the softest ductile iron grade. Supplier Of these Austempered Ductile Iron Grades including A48, ADI Grade 3, ASTM A897-06, ADI Grade 4, ADI Grade 750, ADI Grade 5. These grades can be produced as cast with greater uniformity of casting properties than the original ductile iron grades shown above. Ductile Iron vs Grey Iron. For over 60 years, Carson Castings continues to meet your raw and machined sand and investment casting needs with ISO 9000 certified facilities. 50-91Standards, tables 50. Ductile iron, also called ductile cast iron, spheroidal graphite iron, or nodular cast iron, is a type of cast iron invented in 1943 by Keith Millis. Steel Guru’s provide prices of (Steel) (Metals) product including Current Steel prices in India, Steel price index, Steel Prices 2017 India, Steel Price Analysis 2016, Steel Prices 2013 - 2014, iron-ore prices in India. HA170 is the most ductile and readily machinable grade in the tungsten heavy alloy family. (Dedicated for Ductile Cast Iron) EH510 BN1000 BNX10 BNX20 BN350 BN2000 BNX25 EH520 WX120 BN7000 BNS800 A30N G10E ACK200 C Insert Grades A Grade Comparison Chart. Published December 18, 2013 | By americanmetals. Following is an overview of the most frequently encountered titanium alloys and pure grades, their properties, benefits, and industry applications. BSEN 545 Ductile iron pipes, fittings and accessories and their joints for water pipelines. As indicated above, white iron and gray iron derive their names from the appearance of their respec-tive fracture surfaces. There are 28 material properties with values for both materials. Different Types Of Cast Iron Cast iron is a ferrous alloy that is made by re-melting pig iron in a capola furnace until it liquefies. Comparison of the Mechanical Properties of Steel and Ductile Iron Pipe Materials Brent Keil, PE Corp. Annealed cast ductile iron can be bent, twisted or deformed without fracturing. Lastly, in order to benchmark the turning of ADI with other materials, turning studies with conventional Ductile Iron grade 100-70-03 were also investigated under similar cutting conditions. The matrix structure of ductile cast iron showed a significant influence not only on the strength and impact properties but also on the fracture mode during testing. ASTM A 536 is the most frequently used, covering the general engineering grades of Ductile Iron. Key advantages of Ductile Iron Pipe: Ductile Iron Pipe is designed according to rigorous and prudent AWWA standards. BSEN 598 Ductile iron pipes, fittings and accessories and their joints for sewerage. The following paper is a review of the database contents and layout. A new generation of ductile irons has been developed by Willman Industries. Joint Restraint Products Stargrip® series 3000 for Ductile Iron Pipe The Stargrip® Mechanical Joint Restraint System is a unique product with a proven design that provides an exceptional restraining system for mechanical joint fittings (AWWA C153 or C110), valves, fire hydrants and all classes of ductile iron pipe. Differences in the amount of carbon present and in the form in which it occurs are responsible for some differences in the corrosion behavior of these materials. This makes it ideal for pump manufacturing. While ductile iron is flexible, cast iron is not. In this case, the alternative is continuous-cast ductile iron, an engineered metal product called Dura-Bar. Unlike ductile iron pipe, some folks may not know plastic pipe manufacturers are not now necessarily required by minimum AWWA standards e. GeoSolv’s Piling Systems Driven Ductile Iron Piling, Helical Screw Piles and Drilled Micropiles offer distinct advantages for various construction challenges compared to traditional methods such as driven piles (H Piles, Pipe Piles, Precast Concrete Piles), caissons (pier foundations, bored piles, drilled shaft piles), or continuous flight auger piles (CFAs, auger cast piles). 2) Microstructures of all types of DI (8 groups of specimens) were revealed, therefore, investigated for different constituents and correlated with chemical compositions. Continuous cast Versa-Bar ductile iron turns the de facto iron for America's water system infrastructure into an even more resilient and wear-resistant metal for applications needing high machinability and corrosion resistance. General recommended starting conditions: In irons: 40% faster than the coated carbide on the first corner. The difference in properties shouldn't therefore influence the choice of one material over the other. Very High Cycle Fatigue of Two Ductile Iron Grades Jens Bergstr€om, Christer Burman, Jonas Svensson, Andreas Jansson, Charlotta Ivansson, Jing Zhou, and Sima Valizadeh Two ductile iron grades, EN-GJS-600-3 a ferritic–pearlitic grade, and EN-GJS-600-10 a silicon strengthened ferritic nodular iron grade, are studied in the very high cycle fatigue. The new multi-layer coating system applied to KC9315 is yor first choice for general-purpose ductile iron machining. In accordance with a preferred embodiment of the present invention, molybdenum in the amount of about 0. Manhole Covers holds an extensive stock of ductile iron and cast iron manhole covers and frames. Hanger Grade - Residential. In abrasive wear mechanisms, austenitic ductile iron grades offer great wear resistance as well as improved strength. The ductility is limited to 3%. Common Ductile Iron Grades. Located in Durban, KwaZulu Natal, South Africa. For differentia-tion from steel and cast steel, cast iron is defined. 877-885 45. 05% and will gradually decrease to 0. DUCTILE cast iron suppliers. The ductile iron used to manufacture the pipe is characterized by the spheroidal or nodular nature of the graphite within the iron. It is relatively easy and inexpensive to make. The matrix structure of ductile cast iron showed a significant influence not only on the strength and impact properties but also on the fracture mode during testing. However, ductile iron has better vibration damping properties rendering ductile iron mechanical components noticeably quieter. to DIN 3570 · Pressed collars similar to DIN 2642 · Heads DIN 28011 · Ellipsoidal heads DIN 28013 · Weld-in elbows similar to. ) The result of these first tests can be seen in Fig. S G Iron is a type of cast iron that has been treated while molten with an element such as magnesium or cerium to induce the formation of free graphite as nodules or spherulites. Bonded Coatings versus Polyethylene Encasement Buried No Longer Corrosion Control Dangers of Using PVC Ductile Iron versus PVC Ductile Iron versus Steel Environmental Benefits Sustainable Pipe Certification The Truth About Cement-Mortar Lined Pipe The Truth About EPDs V-Bio ® Enhanced Polyethylene Encasement. Cast iron is very heavy and difficult to cut. This table listed various ductile iron grades in China, Japan, USA, Germany, Russia, Italy, Franch, England and ISO standard etc. Reference: 1. The other standards cover austenitic and special Ductile Iron applications. Properties of Ductile Iron. Ductile iron and malleable iron have good machinability, wear resistance, vibration damping and low notch sensitivity. P=Project E=Experiment. LOCTITE ® is the world’s leading brand for adhesives, sealants and surface treatments. Ductile iron itself can be broken down into different grades, each with their own property specifications and most suitable applications. In order to meet the needs of different users, you can set size machining non-standard and special steel grades of stainless steel materials. Manhole Covers holds an extensive stock of ductile iron and cast iron manhole covers and frames. The most notable difference is the safety factor. The ferritic stainless steels are sometimes called “non-hardenable” 400 series grades or alloys, and 409 and 430 are the most common. , ferritic 60-40-18, ferritic-pearlitic 65-45-12, pearlitic 100-70-03 and tempered martensitic (Q&T) 120-90-02. The ASTM has five standards covering Ductile Iron castings. Grade: Matrix / Graphite: Tensile Strength (psi) Yield Strength (psi) Elongation:. 020E-06 MHASM1 Conductivity and Resistivity Values for Iron & Alloys Compiled by the Collaboration for NDT Education, March 2002. Using KBC, we are able to stay within our budget & provide our students with the tools to learn the skills of becoming a machinist. This type of pipe is a direct development of earlier cast iron pipe, which it has superseded. It has comparatively high tensile strength, and good abrasive resista nce. The common defining characteristic of this group of materials is the shape of the graphite. Common Ductile Iron Grades. ments before discharge. selected unit pipe prices with Bureau of Reclamation estimates for this project. Grade 80-55-06. Designed for up to one class period, the unit may be adapted for any grade level between 10. The first recommended grade for general turning of cast iron and ductile cast iron. Ductile iron pipe is a pipe made of ductile cast iron commonly used for potable water transmission and distribution. Our dandong foundry has producing this material grade for many years, and. The ductile iron used to manufacture the pipe is characterized by the spheroidal or nodular nature of the graphite within the iron. The source standarts should always be checked for the specific purpose for each material, in case of doubt Buy, sell, suppliers search product GGG40. This system provides for five basic types: gray iron, ductile iron, malleable iron, compacted graphite iron (CGI) and white iron. See if dyeing and bleaching hair affects the strength of hair. First choice for machining ductile cast iron materials. Very High Cycle Fatigue of Two Ductile Iron Grades Jens Bergstr€om, Christer Burman, Jonas Svensson, Andreas Jansson, Charlotta Ivansson, Jing Zhou, and Sima Valizadeh Two ductile iron grades, EN-GJS-600-3 a ferritic-pearlitic grade, and EN-GJS-600-10 a silicon strengthened ferritic nodular iron grade, are studied in the very high cycle fatigue. This page shows summary ranges across all of them. Ductile iron with significant additions of silicon and molybdenum is the current material of choice for normal-duty applications. The chemical composition of ductile iron from which ADI is produced is shown in Table 1. Ductile Iron Pipes offer unsurpassed benefits for applications in water supply, sewerage and gas mains by their reputation by actual performance! Centrifugal Ductile Iron Pipe - Design Flexibility: Pipes will safely function over a wide range of operating pressure, trench loads and installation conditions. ASTM A36 Carbon Steel Both ASTM A283 carbon steel and ASTM A36 carbon steel are iron alloys. a higher grade of cutlery steel, with more carbon in it, which allows for much better edge retention when the steel is heat treated properly. BMF has a wide range of available grades and can work with customers to recommend the right material for their needs or to suit a particular market. 5 then we can calculate that its density is 2. The fresh approach of this paper is to analyze and compare the data across each section size and strength-ductility combination for four ductile iron grades, i. Most ductile irons are specified based on mechanical properties and have. 02% and its base gray iron S runs from 0. This specification covers ductile iron castings for pressure-retaining parts for use at elevated temperatures. As ductile iron can be bent, it can be made into different shapes and forms. Properties of Ductile Iron. also, there is a slight difference between malleable and ductile/nodular iron cast irons have very good compressive stress. Manfacturers of Ductile, SG and Austempered Ductile (ADI) iron castings. Ductile Iron Overview. About the Ductile Iron Pipe Research Association (DIPRA) From its inception more than 100 years ago, the Ductile Iron Pipe Research Association (DIPRA) has provided accurate, reliable, and essential engineering information about cast iron — and now Ductile Iron — pipe to a wide variety of utilities and consulting engineers. Carbidic Austempered Ductile Iron (CADI) describes a family of ductile cast irons, with given amounts of carbides that are subsequently austempered to exhibit adequate toughness and excellent wear resistance. Located in Durban, KwaZulu Natal, South Africa. There are many different sg iron grades in different countries and standards, however, most of grades have similar requirements to the mechanical properties, especially to tensile strength, yield strength and elongation. •Particularly suitable for (SG) spheroidal graphite iron and cast irons malleable iron, austenitic cast iron. The products made of cast iron exhibit a reasonable amount of resistance to corrosion. Mechanical properties and applications of conventional, as well as non-conventional, cast iron grades will be considered in the Special Issue. 42 Ductile Iron 250 100 B16. Designed for up to one class period, the unit may be adapted for any grade level between 10. Ductile iron castings have production and machining cost advantages over steel fabrications, forgings and castings within the limitations of the ductility and impact properties and have strength to weight advantages over grey iron castings where breakage is a problem. For specific terminology, please see our ‘definitions’ section at the end of this page. TYTON JOINT Ductile Iron Pipe International; TR FLEX Restrained Joint Pipe - International; HP LOK Restrained Joint Pipe and Fittings - International; Ductile Iron Flanged Pipe & Fittings - International; U. S G Iron is also known as Spheroidal Graphite Iron, Ductile Cast Iron, Nodular Cast Iron, Spherulitic Graphite Cast Iron. 42 Ductile Iron 140 600 In addition to the pressure rating listed in Section 2. Dimensions - 5 1/8"L x 2"W. Ductile iron again has an advantage over steel because of its unique corrosion resistance, which ensures a long and useful life span. 02% and its base gray iron S runs from 0. Bimetallic (galvanic) corrosion risks from contact with galvanised steel or aluminium Introduction. Metallography and Microstructures of Cast Iron Janina M. ADI grades of ductile iron are made by alloying the metal and heat treating. Modulus of elasticity (or also referred to as Young’s modulus) is the ratio of stress to strain in elastic range of deformation. s steel objects, as available (ca. Ductile Iron vs Grey Iron. We design Ductile and SG iron castings and produce prototypes and pre-series iron castings and carry out cast iron machining and sub-assemblies. Steel is also a ductile material, meaning that it can be bent or shaped easily into different forms. It is neither malleable nor ductile, and it cannot be hardened like steel. Uses for Ductile Iron. SG Iron Grades SG iron is also called as spheroidal graphite cast iron, in USA, they are also called as ductile iron. ** Un-notched charpy at room temperature. The internal structure of ordinary grey iron, pearlitic ductile iron, ferritic ductile iron, malleable iron and mild steel are compared. comparison) • Stainles. And if its heat you’re looking for, either cast iron and stainless steel are your best choice here. Myszkaa,*, M. punchings, trimmings and bundled. Castings of all grades are suitable for use up to 450 °F. this comparison that both Ductile Iron and steel have yield strengths of 42,000 psi. Figure 1 shows an example of such nucleation site in ductile iron both as a high magnification micrograph and a schematic representation of its phase composition. 1 INCONEL ® alloy 625 www. Ductile iron can be bent without breaking, whereas cast iron is brittle and breaks when bent. DUCTILE IRON Changes are being proposed in the newest SAE J434 revision (JAN03) that are aimed at creating a smooth transition between ductile iron grades. Detail; Catalog; AC4015K. Supplier Of these Austempered Ductile Iron Grades including A48, ADI Grade 3, ASTM A897-06, ADI Grade 4, ADI Grade 750, ADI Grade 5. ADI (GRADES 1 - 5), Plant 4 Carbidic ADI, Plant 4 Compacted graphite iron. 65-45-12 is the ASTM designation for this material. Very High Cycle Fatigue of Two Ductile Iron Grades Jens Bergstr€om, Christer Burman, Jonas Svensson, Andreas Jansson, Charlotta Ivansson, Jing Zhou, and Sima Valizadeh Two ductile iron grades, EN-GJS-600-3 a ferritic–pearlitic grade, and EN-GJS-600-10 a silicon strengthened ferritic nodular iron grade, are studied in the very high cycle fatigue. P=Project E=Experiment. 7 For a given hardness, ductile iron has a better wear resistance than steel 37 6. The matrix structure of ductile cast iron showed a significant influence not only on the strength and impact properties but also on the fracture mode during testing. Stainless steel finds use in all the places where the presence of moisture or water prevents carbon steel from being used. Classifications. ISO 1083 was prepared by Technical Committee ISO/TC 25, Cast iron and pig iron, Subcommittee SC 2, Spheroidal graphite, ferritic-perlitic and ausferritic cast irons. Carbidic Austempered Ductile Iron (CADI) describes a family of ductile cast irons, with given amounts of carbides that are subsequently austempered to exhibit adequate toughness and excellent wear resistance. , Shaheed Udham Singh College of Engineering and Technology, Mohali, Punjab, India [email protected] BSEN 598 Ductile iron pipes, fittings and accessories and their joints for sewerage. Thank you A2A answer. Equivalent grades of gray iron, ductile iron, sg iron, nodular graphite iron. Dura-Bar standard grades - color code identification system 60-40-18 contains nodular graphite in a matrix of all ferrite and is the softest ductile iron grade. These grades can be produced as cast with greater uniformity of casting properties than the original ductile iron grades shown above. 239-250 [19] Cabanne, P-M, and Gagné, M. made AWWA and ISO Standard Ductile Iron Pipe, for many years, McWane International has supplied McWane Branded Quality Certi-fied Ductile Iron Pipe to ISO & EN Standards through OEM manufacturing facili-ties in China in sizes ranging from 80mm up to 2600mm diameters. , iron at T < 914ºC) Temperature High strength materials (σy > E/150). Austempered Ductile Iron A comprehensive range of S. Ductile iron is twice as strong as most grey cast irons. 1 Non-hardening heat treatment methods 43 7. All steel is composed of iron and carbon. This table listed various ductile iron grades in China, Japan, USA, Germany, Russia, Italy, France, England and ISO standard etc. Ductile iron, cast iron, and stainless steel have different costs but are used to make the same parts. com/public/jhirar/6gd. The new multi-layer coating system applied to KC9315 is yor first choice for general-purpose ductile iron machining. 42-1987 there is an equation in Annex A that can be used to derive the ambient pressure ratings for Class 150 and Class 300 flanges. Ductility is the plastic deformation that occurs in metal as a result of such types of strain. Ductile Iron Comparison QT800-2 Index Country Ductile Iron Grade 1 China QT400-15 QT400-18 QT450-10 QT500-7 QT600-3 QT700-2 QT900-2 2 Japanese. A commercial ductile iron alloy was submitted to a quenching and partitioning heat treatment. While ductile iron is flexible, cast iron is not. In fact, ductile iron has strengths and toughness very similar to steel, and the machinability advantages make an attractive opportunity for significant cost reductions. EP2092089B1 - Austempered ductile iron, method for Austempered ductile iron (ADI) according to any of the preceding claims, characterized in that it exhibits an ultimate tensile strength (UTS) of at least 900 MPa, preferably at least 1000 MPa and most preferably at least 1050 MPa. com INCONEL® nickel-chromium alloy 625 (UNS N06625/W. The following paper is a review of the database contents and layout. materials used in steelmaking are iron ore, coal, and limestone. /TiCN), used for machining grey and nodular cast iron at medium to finishing conditions. However, ductile iron has better vibration damping properties rendering ductile iron mechanical components noticeably quieter. Industries. As ductile iron can be bent, it can be made into different shapes and forms. 6 Ductile iron damps vibrations better than steel 37 6. com/ Filmed with: This browser is not supported. Uses for Ductile Iron. See Carbon steel is sort of a brother from another mother to cast iron — they have a ton in common, but they also have their distinct characteristics, strengths, and weaknesses. See: ASTM A283 Carbon Steel vs. All steel is composed of iron and carbon. Birmingham, Alabama, with 14 iron foundries and related businesses across the United States, Canada, Australia, China, India and Abu Dhabi. Solution Strengthened Ductile Iron Grades. Samples were austenitized at 900 ºC for two hours, quenched at 160 ºC and kept at this temperature for 2 minutes and finally were re-heated at temperatures between 300 and 450 ºC during time intervals between 2 and 180 minutes. The wear resistance of three different types of gray cast iron (gray iron grade 250, high-carbon gray iron and titanium alloyed gray iron), used in brake disc rotors, was studied and compared with the results obtained with a compact graphite iron (CGI). † • All information is from AWWA/ANSI C150/A21. The addition of copper and tin can increase tensile and yield strength of ductile iron while nickel, copper or chromium can improve corrosion resistance. The coefficient of thermal expansion of cast iron is only 6. 1 Cast Iron Pipe Flanges and Flanged Fittings - Class 250 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts; Cast Iron Flanges - Stud Reference Chart - The number, diameter and length of studs for cast iron flanges class 125 and 250. Radzikowska, The Foundry Research Institute, Krako´w, Poland CAST IRON is an iron-carbon cast alloy with other elements that is made by remelting pig iron, scrap, and other additions. Published December 18, 2013 | By americanmetals. With further developments higher grades of ductile iron such as 500/7, 600/5, 700/3, 800/2, 900/ 2 are being produced requiring strict control over microstructure and subsequent hardening and tempering heat treatments. The spheroids. Requirements and test methods. This system provides for five basic types: gray iron, ductile iron, malleable iron, compacted graphite iron (CGI) and white iron. Our foundry is fully equipped to handle a wide range of component casting complexities and sizes, from one pound to 6,000-pound molds. BSEN 545 Ductile iron pipes, fittings and accessories and their joints for water pipelines. These numbers are the metal's tensile strength, yield strength and % elongation respectively [2]. Equivalent Material Grades of Ductile Iron ASTM A536 100-70-03 The equivalent grades of ASTM A536 100-70-03 are EN-GJS-700-2, GGG70, ISO 700-2. Annealed cast ductile iron can be bent, twisted or deformed without fracturing. Equivalent grades of gray iron, ductile iron, sg iron, nodular graphite iron - Free download as PDF File (. There are many grades of gray iron as per the ASTM A48 standard. Nodular cast iron differs from malleable iron in that it is usually obtained as a result of solidification and does not require heat treatment. breakability is below that of 4301 grades, especially when these last ones are of an improved machinability. the ductile cast iron suggests an 80-55-06 alloy. 05% and will gradually decrease to 0. Shop for Ductile Iron Fittings at Ferguson. " is an outdated but widely held truism which mistakenly implies that all cast irons are the same, and none are ductile. Ductile iron owes its remarkable mechanical properties to the spheroidal shape of its graphite: tensile strength,. Tensile strength, yield strength, and elongation are included as part of the classification. Now, there’s quenched and tempered steel, a high strength and abrasion-resistant steel that comes with enhanced fabrication qualities. Alloy additions may be made to ductile iron to assist in controlling the matrix structure as-cast or to provide response to heat treatment. 5%), manganese, sulfur, phosphorus, and silicon. But one cannot make out different shapes and forms using cast iron. The molten iron is poured into molds or casts to produce casting iron products of the required dimensions. This type of pipe is a direct development of earlier cast iron pipe, which it has superseded. Introduction 1. It is easy to machine, has good fatigue and yield strength, while being wear resistant. Gray Iron is the most common type - cracks easily when welded. Because its constituent graphite particles are of nodular SEI TECHNICAL REVIEW · NUMBER 67 · OCTOBER 2008 · 11 INDUSTRIAL MATERIALS Development of "ACE-COAT AC410K" Insert Grade for Cast Iron Turning. To improve corrosion resistance, copper, nickel, or chromium can replace anywhere from 15-30% of the iron. Ductile Iron vs Grey Iron. As specific gravity is just a comparison, it can be applied across any units. In spite of semi austempered ductile iron shows the 86% increase of ductility. Properties of Ductile Iron. Cast iron is very heavy and difficult to cut. breakability is below that of 4301 grades, especially when these last ones are of an improved machinability. These are a little more or a little less ductile than the Indian grade depending on the carbon content. Comparison of Mechanical Properties of Cast Iron with Steel Castings. Preparation of the material: Ductile iron castings were produced in a metal casting foundry using 500kg medium frequency induction furnace. Tool Steel; There are many different grades of steel that encompass varied properties. Summary – Ductile Iron vs Cast Iron. Known for its corrosion resistance characteristics, stainless steel is a widely used alloy comprised of a minimum of 10. Ductile Iron Manhole Covers & Frames Specification SANS 50124 : 1994 ® Covers & Frames Value, Performance & Quality www. La Habana, Cuba. The main characteristic of the ductile iron grades is a spheroidal shaped graphite structure that emphasises the strength, machinability and wear resistance. We can supply the related Ductile iron pipe fittings :. ADI 900, ADI 1050 and ADI 1200 grades were commercially produced, commercially heat treated and machined under controlled conditions using coated carbide inserts with coolant in the laboratory. 3 (Germany, DIN, WNr ) - European (EU, EN) and wordwide Cast iron equivalent grades These comparison table is only intended as an indication of the closest khown equivalent grades. This new Kennametal grade provides a unique balance of strength and wear resistance that ensures tremendous tool life and application flexiblility when cutting ductile irons. Austempered ductile cast irons EN 12513: Founding. The Allied Founders PVT. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created. This is a comparison table for the gray iron and ductile iron grades of various standards, including ISO, GB, ASTM, DIN, EN, JIS, UNI, NF, BS, IS, UNF, NBN, AS, SS. Gray, Ductile and Malleable Iron. A spectrum of alloys exists under the name iron; these alloys are defined, in terms of percentages, as to how much carbon they contain. com Sitemap China valve manufacturer , gate valve , globe valve , butterfly valve , ball valve , check valve , forging steel valves. China’s iron ore imports rebounded in July, customs data showed on Wednesday, buoyed by record steel production and strong margins as official measures to cut. Ductile cast iron is essentially a family of materials with a wide verity of properties which are satisfactory for different engineering requirements. SAE J automotive gray cast iron, SAE grade G. punchings, trimmings and bundled. Austempered Ductile Iron is a family of heat treated cast irons which are processed to meet the requirements of EN1564, ASTM 897M or ISO17804. DUCTILE cast iron suppliers. You wouldn't believe some of the crazy things people are making out of PVC these days. 35 to about 0. During solidification, rod-like graphite flakes precipitate into the composition, outlining the difference between gray and ductile iron. 1 Non-hardening heat treatment methods 43 7. Butterfly Valve. The iron castings can be of the ferritic, austenitic, gray, cupola, pearlitic, ductile, or malleable types. The austempered ductile iron was austenitized at 900 °C for 1 h and quenched in an isothermal quenching furnace at 380 °C and 280 °C, respectively. Footnotes under Table 7 in ANSI/AWWA C151/A21. Ductile iron pipe is a pipe made of ductile cast iron commonly used for potable water transmission and distribution. Ductile cast iron has strength and toughness higher than those of gray cast iron. Tensile and Yield Strength - There are certainly differences when it comes to tensile and yield strength of gray and ductile iron. The internal structure of ordinary grey iron, pearlitic ductile iron, ferritic ductile iron, malleable iron and mild steel are compared. Special analysis ductile irons and high-alloy ductile irons. It can be hardened to Rockwell 58 hardness, making it one of the hardest stainless steels. SAE steel grades British Standards EN STEEL NUMBER EN STEEL NAME SAE GRADE UNS. BMF has a wide range of available grades and can work with customers to recommend the right material for their needs or to suit a particular market. Wrought iron is highly malleable, meaning it can be heated, and re-heated. Tool Steel; There are many different grades of steel that encompass varied properties. We design Ductile and SG iron castings and produce prototypes and pre-series iron castings and carry out cast iron machining and sub-assemblies. Ductile iron has a minimum tensile strength of 60,000 psi and a minimum yield strength of 40,000 psi. The American Iron and Steel Institute (AISI) originally started a very similar system. The following table has been compiled to assist with the selection of the ideal grade of cast iron for your castings. Major differences between these two metals include their carbon content, formation, advantages,. ADI is created by applying the austempering process to ductile iron (spheroidal graphite [SG] iron) castings. All steel is composed of iron and carbon. Gray iron or grey iron was the original "cast iron". Corrosion Resistance Ductile iron's corrosion resistance is superior to unalloyed steel, and even highly alloyed steels in certain environments. For valves and fittings, you should be using ASME B16. Uses for Ductile Iron. In abrasive wear mechanisms, austenitic ductile iron grades offer great wear resistance as well as improved strength. Nodular cast iron differs from malleable iron in that it is usually obtained as a result of solidification and does not require heat treatment. 42 Ductile Iron 140 600 In addition to the pressure rating listed in Section 2. With a minimum yield strength of 42,000 psi for ductile iron, the. Machinability Comparison Chart: Carbon steels: 1015: 72%: 1018: 78%: 1020: 72%: 1022: 78%: 1030: 70%: 1040: 64%: 1042: 64%: 1050: 54%. Pig iron is hard, brittle, and unsuitable for direct processing into wrought forms. Unlike magnesium and aluminum alloys, ductile iron of any grade can be cast with nearly 100% recycled materials; steel scrap (ie. txt) or read online for free. The first recommended grade for general turning of cast iron and ductile cast iron. Ductile Iron Pipes offer unsurpassed benefits for applications in water supply, sewerage and gas mains by their reputation by actual performance! Centrifugal Ductile Iron Pipe - Design Flexibility: Pipes will safely function over a wide range of operating pressure, trench loads and installation conditions. 2009; accepted in revised form: 30. Ductile Iron. Standard specifications for ductile iron are normally based on mechanical properties, except for those defining austenitic ductile iron, which are based on composition. This material has the ultimate tensile strength and yield. Cast Steel Using Modified Charpy Test Specimens”, AFS Transactions 84-122, pp. 2) Microstructures of all types of DI (8 groups of specimens) were revealed, therefore, investigated for different constituents and correlated with chemical compositions. Carson Castings has been sourcing quality Ductile, Gray Iron, Steel, and ADI castings at competitive prices to niche markets and Fortune 500 companies since 1956. Titanium Grades and Alloys: Properties and Applications. To improve corrosion resistance, copper, nickel, or chromium can replace anywhere from 15-30% of the iron. Unlike magnesium and aluminum alloys, ductile iron of any grade can be cast with nearly 100% recycled materials; steel scrap (ie. ductile iron 구상흑연주철 0 Comments to "KS,JIS,ASTM MATERIAL COMPARISON" ASTM A36, ASTM A283 Grade D; ASTM, KS-JIS-DIN MATERIAL COMPARISON TABLES. ST1 is a ductile iron with graphite type I and II, in a ferritic/pearlite matrix obtained through as-cast or by heat treatment. They provide reasonable strength and dimensional stability at higher temperatures. CVD coated grades ideal for turning gray, ductile, nodular cast iron and STEEL! yFeatures of UC5105/UC5115 y SYSTEM Negative Style Inserts for Gray, Ductile, Nodular Cast Iron and Steel Al2O3 layer TiCN layer Extremely smooth coating Comparison of measured coating surface shapes Very effective for gray, ductile, nodular cast iron and STEEL!. A side-by-side comparison of the two most commonly cast ferrous alloys can help purchasers and designers choose correctly between gray and ductile iron. " [4] "The H grades were added in response to a user association request based on its study of over 5200 commercial Grade 2, 7, 16, and 26 test reports, where over 99% met the 58 ksi minimum UTS. ASTM A 536 is the most frequently used, covering the general engineering grades of Ductile Iron. Fonderie Saguenay. Also backed by economic and technical potentials, it is imperative. Ductile Ni Resist Alloys. Equivalent grades of gray iron, ductile iron, sg iron, nodular graphite iron - Free download as PDF File (. 4 Iron Inoculation-- Approximately 1570 of the iron castings produced in the United States util- ize ductile iron. Uni versidad Austral de Chile, Casilla 567, Valdivia, Chilc and A Parada and L Goyos Facultad de Ingenierfa Mecani ca.