ASTM A890/A890M
Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
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About This Item
ASTM A890/A890M is the ASTM standard for castings made from iron-chromium-nickel-molybdenum corrosion-resistant duplex alloys. It addresses general application requirements for these austenitic/ferritic materials, helping buyers, manufacturers, and inspectors align on what the casting should meet. By defining a clear specification for composition and acceptance expectations, this standard supports consistent quality and more reliable procurement decisions for corrosion-resistant cast products.
What is ASTM A890/A890M?
This specification covers castings produced from duplex stainless-type alloys that combine austenitic and ferritic structures, with chromium, nickel, and molybdenum as key alloying elements. The official standard title indicates a focus on corrosion-resistant castings for general application, so it is primarily used as a technical purchasing and compliance document. ASTM A890/A890M helps establish a common basis for material identification, evaluation, and conformance when specifying these cast components.
Where is ASTM A890/A890M used?
ASTM A890/A890M is commonly used where corrosion-resistant castings are needed and duplex alloy properties are desirable. It is relevant for cast parts supplied into equipment and systems that may face demanding service conditions, especially where strength and corrosion resistance are important together. The standard is most useful in fabrication, procurement, and inspection workflows involving cast components made to a defined ASTM specification.
Why is ASTM A890/A890M important?
This standard matters because it gives purchasers and producers a shared reference for product requirements and quality expectations. ASTM A890/A890M can reduce ambiguity in ordering, testing, and acceptance of corrosion-resistant castings, which supports consistency across supply chains. For engineering and quality control teams, it provides a practical basis for comparing materials, verifying compliance, and lowering the risk of using castings that do not match the intended application.
- Duplex austenitic/ferritic casting specification
- Iron-chromium-nickel-molybdenum corrosion-resistant alloys
- General application requirements for cast products
- Useful for procurement, inspection, and compliance
- Supports consistent product evaluation and quality control
- Publication Date: 2018-10-02
- Publisher: ASTM
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