ASTM A890 PDF

FOR INTERNAL REFERENCE ONLYDesignation: A/AM – 12 Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Co. Heat treatment can modify the corrosion resistance of stainless steels. Thus, the corrosion behavior of ASTM A/A M GR 5A super duplex. The Duplex Stainless classification includes the following ASTM standards; ASTM A and ASTM A

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ASTM A lists tensile property requirements, but does not require that the xstm tests actually be performed. New Products Prev Next Rotork: Marking of heat numbers on a8990 is not required unless specified separately on the purchase order.

Monitoring Pressure Relief Devices Post: Combining values from the two systems may result in nonconformance with the standard. A imposes several other requirements that are not included in A nor A Certification must be provided listing the chemical analysis of the heat and the mechanical property test results.

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. This abstract is a brief summary of the referenced standard. Any casting that meets A also meets A Each casting must be marked with a heat number or with a serial number traceable to a heat number. Upcoming Valve Industry Events Reprints.

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Historical Version s – view previous versions of standard. Texas Manufacturing Expands Sstm, Outlook. In order to obtain a test report showing the actual chemistry and tensile test results, Supplementary Requirement S12 must also be imposed.

Tensile tests are only required if Supplementary Requirement S32 is specified on the purchase order. Each casting must be hydrostatically tested. For this reason alone, many specifications that don’t require actual tensile testing are not represented in these codes. Each heat of material must be tensile tested. Castings shall be marked for material identification with the specification designation and grade.

A valve company took exception, and indicated that duplex valve bodies and bonnets would be supplied per ASTM A Admiral Valve Announces Partnership with Diek. New Washer Application Search Tool. Looking for a career in the Valve Industry?

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. Work Item s – proposed revisions of this standard. Latest Post Popular Links Events.

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. A provides a definition for major weld repairs and requires post-weld heat treatment i. A grades will not be added for the same reason. However, A imposes some additional requirements:. Shale Work Up in U. Despite Oil Prices Post: As zstm, many piping specifications include references to ASTM A and its various duplex grades for piping components such as valves.

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A only requires post-weld heat treatment if Supplementary Requirement S33 is imposed on the purchase order. Castings shall be heat treated in accordance with the required procedure and heat-treat temperature.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Emerson Completes Acquisition of iSolutions I. However, A imposes some additional requirements: The material may be adopted in ASME codes for specific products a90 applications, including: