ASTM standard classifications for Steel

The American Society for Testing and Materials (ASTM) was established in the 1800s to work with the steel mills in Pennsylvania to regulate the production of steel used in the nation’s industrial revolution.[……]

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ASTM A335 Pipe Specifications, Seamless Ferritic Alloy Steel Pipe for High-Temperature Service

ASTM A335 pipe ordered to this specification shall be suitable for bending and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.[……]

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