ASTM A213 T2, T5, T5b, T9, T91 Alloy Steel Tube
2021-1-12u2002·u2002Alloy steel T2, T5, T5b, T9 and T91 seamless tubes shall be made by the seamless process and shall be either hot-finished or cold finished, as specified in ASTM A213 standard. ASTM A213 is the standard specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
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