ASTM A/AM: Standard Specification for Castings, Austenitic-Ferritic ( Duplex) Stainless Steel, for Pressure-Containing Parts. Designation: A/AM − 13Standard Specification for Castings, Austenitic- Ferritic (Duplex) Stain. CD3MN; 4A. Cast UNS: J Cast Grade: CD3MN; 4A. Cast ASTM: A, A, 4A (CENT, INVEST, SAND). Wrought UNS: S Wrought Grade:

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All steels shall undergo tension test, and shall conform to the following mechanical requirements: This alloy resists chloride environments and sulfide stress corrosion.

Work Item s – proposed revisions of this standard. It is the responsibility of the purchaser to determine which grade shall be furnished depending on design and service conditions, mechanical properties, and corrosion-resistant characteristics.

Valve Material F51 S Super Duplex F55 Steel ANSI ASME | Global Supply Line

Your email address will not be atsm. Marking of heat numbers on castings is not required unless specified separately on the purchase order. For further details pls contact with us through mark castingquality. It finds applications due to both excellent corrosion resistance and high strength. If so kindly indicate your capability to supply the same. Lost Foam Castings Lost foam casting products, ductile iron pipe fittings, valves Low Pressure Die Castings Lost pressure die casting products, mainly aluminum alloy casting products.

A is no longer used for pressure retaining castings. In order to obtain a test report showing the actual chemistry and tensile test results, Supplementary Requirement S12 must also be imposed.

Thanks for your interesting, but Article is protected! Custom Hydraulic Power Units. Tensile tests are only required if Supplementary Requirement S32 is specified on the purchase order. sstm


Materials Q&A

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. A imposes several other requirements that are not included in A nor A Investment Casting Tech investment casting technology Die Casting Tech die casting technology, die casting process. However, one thing is clear-materials are not added in these codes unless the parent specification requires tensile testing to ensure that the product being supplied actually meets the minimum mechanical properties upon which the design is based.

Combining values from the two systems may result in nonconformance with the standard. The grades of steels covered here are: Emerson Completes Acquisition of iSolutions Inc.

A grades will not be added for the same reason. ASTM A was reapproved without changes in Sand casting Tech sand casting technology, from material to pouring theory.

Also see alternate Duplex Cross Reference, click here. Leave a Reply Cancel reply Your email address will not be published. ViewIn Technology for Mechanical Seals. Astn can click the Top Right email! Upcoming Valve Industry Events Reprints. A provides a definition for major weld repairs and requires post-weld heat treatment i. Shale 9a95 Up in U.

It can get stability density castings for high pressure purpose. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Benefits of zstm Duplex Stainless Steel Similar corrosion resistance to Type Greater tensile and yield strength Good ductility and toughness Good stress corrosion cracking resistance SSC Duplex stainless steel is designed to combine improved resistance to stress corrosion cracking including sulfide stress corrosion crackingpitting, crevice corrosion and high strength when compared with other stainless alloys.


All standards from internet, only for study usage.

Duplex Stainless Steels │ Alloy Guide │ MetalTek

Emerson Completes Acquisition of iSolutions I. What is the difference between these specifications? Admiral Valve Announces Partnership with Diek. Material casting Material technology, such as ductile iron, carbon steel, gray iron, stainless steel, malleable iron and alloy. Machinery Fittings Casting casting products for usage of machinery.

However, A imposes some additional requirements:. China Castings November 22, at 6: Each casting must be hydrostatically tested. Duplex AF51 is equivalent to: The standard duplex S A F51 composition has been refined over many years, and the resulting composition range was endorsed as UNS S in Any casting that meets A also meets A Historical Version s – view previous versions of standard.

It is also roughly double the strength of standard austentic stainless steels. Latest Post Popular Links Events. Gravity Die Castings Die casting products, mainly are cast aluminum alloy and zinc alloy with good dimensions. This abstract is a brief summary of the referenced standard. The duplex stainless steels offer a combination of enhanced mechanical properties and corrosion resistance when properly balanced in composition and properly heat treated.

Despite Oil Prices Post: As such, many piping specifications include references to ASTM A and its various duplex grades for piping components such as valves.