ASTM A890/A890M-99(2007)

Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application

STANDARD published on 1.11.2007

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The information about the standard:

Designation standards: ASTM A890/A890M-99(2007)
Note: WITHDRAWN
Publication date standards: 1.11.2007
SKU: NS-4673
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM A890/A890M-99(2007) :

Keywords:

austenite, duplex stainless steel, ferrite, stainless steel, steel castings, ICS Number Code 77.140.80 (Iron and steel castings)

Additional information

1. Scope

1.1 This specification covers a group of cast duplex stainless steels (austenitic/ferritic).

1.2 The duplex stainless steel alloys offer a combination of enhanced mechanical properties and corrosion resistance when properly balanced in composition and properly heat treated. Ferrite levels are not specified, but these alloys will develop a range of approximately 30 to 60 % ferrite with the balance austenite.

1.3 The values stated in either inch-pound units or metric (SI) units are to be regarded separately as standard. Within the text the metric (SI) units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

2. Referenced Documents

E562-19e1	Standard Test Method for Determining Volume Fraction by Systematic Manual Point Count (Includes all amendments and changes 8/24/2020).
A781/A781M-21	Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
A370-24a	Standard Test Methods and Definitions for Mechanical Testing of Steel Products (Includes all amendments and changes 10/29/2024).
A732/A732M-25	Standard Specification for Castings, Investment, Carbon and Low-Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
E1245-03(2023)	Standard Practice for Determining the Inclusion or Second-Phase Constituent Content of Metals by Automatic Image Analysis

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