Boiler Tube Standard: ASME SA213 , ASTM A213
Boiler Tube Material: TP321H, TP316H, TP310H , TP347H , TP304H
Alloy Steel Boiler Tube Standard: ASTM A213 T9, ASME SA213 T9, ASME SA335 P9, ASTM A335 P9
Alloy Steel Boiler Tube Material: P1, P11, P12, P22,P5, P9, P91, P92
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