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ASTM WK36441

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Work Item: ASTM WK36441 - Revision of A890 / A890M - 10 Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application


Active Standard: A890 / A890M - 12a

Developed by Subcommittee: A01.18 | Committee A01 Home | Contact Staff Manager



1. Rationale

Correcting PREN formula to %Cr+3.3(%Mo+0.5%W)+16%N 45, Type to 27Cr-7Ni-Mo-W-N, and the minimum Barium to 0.0001. Adding ACI designation CD3MWN.

Keywords

austenite; duplex stainless steel; ferrite; stainless steel; steel castings; Austenitic stainless steel castings--specifications; Class codes (for metals/alloys); Corrosive service applications--castings; Duplex stainless steel--specifications; Ferritic steel castings--specifications; Iron-chromium castings--specifications; Stainless steel castings--specifications; UNS J93371 (duplex alloy steel casting, 3A); UNS J93372 (cast duplex Cr-Ni-Cu-Mo-N stainless steel);

Citing ASTM Standards

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Work Item Status:
Date Initiated:02-13-2012
Technical Contact: Thomas Spence

Status: Draft Under Development

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