ASTM A995 PDF

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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A valve company took exception, and indicated that duplex valve bodies and bonnets would be supplied per A959 A What is the difference between these specifications?

Materials Q&A

As such, many piping specifications include references to ASTM A and its various duplex grades for piping components such as valves. ASTM A lists tensile property requirements, but does not require that the tensile tests actually be performed. Tensile tests are only required if Supplementary Requirement S32 is specified on the purchase order. In order to obtain a test report showing the actual chemistry and tensile test results, Supplementary Requirement S12 must also be imposed.

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DUPLEX STEEL VALVES (F51/S31803/2205/CD3MN)

Marking of heat numbers on wstm is not required unless specified separately on the purchase order. Any casting that meets A also meets A However, A imposes some additional requirements:.

ASTM A was reapproved without changes in However, one thing is clear-materials are not added in these codes zstm 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. For this reason alone, many specifications that don’t require actual tensile testing are not represented in these codes.

A Grade 5A ASTM :: Total Materia

A grades will not be added for the same reason. Looking for a career in the Valve Industry? Admiral Valve Announces Partnership with Diek. Emerson Completes Acquisition of asstm I.

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

Monitoring Pressure Relief Devices Post: Rigging and Lifting of Large Valves Post: Upcoming Valve Industry Events Reprints. However, A imposes some additional requirements: A provides a definition for major weld repairs and requires post-weld heat treatment i.

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A only requires post-weld heat treatment if Supplementary Requirement S33 is imposed on the purchase order. A imposes several other requirements that are not included in A nor A Each heat of material must be tensile tested. Each casting must be hydrostatically tested.

Each casting must be marked with a heat number or with a serial number traceable to a heat number. Certification must be provided listing the chemical analysis of the heat and the mechanical property test results.

The material may be adopted in ASME codes for specific products or applications, including: Latest Post Popular Links Events.

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