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 P92, high pressure seamless boiler pipe

ASTM A335 P92 is the part of ASTM A335, The pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding. The steel material shall conform to chemical composition, tensile property, and hardness requirements.[……]

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ASTM A335 P11

ASTM A335 P11, Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

ASTM A335 P11 is the part of ASTM A335, The pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding. The steel material shall conform to chemical composition, tensile property, and hardness requirements. Each length of pipe shall be subjected to the hydrostatic test. Also, each pipe shall be examined by a non-destructive examination method in accordance to the required practices.[……]

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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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