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Alloy Steel Tube ASTM:
STANDARD:
GB5310 Seamless Steel Pipe For High Pressure Boiler
GB6479High Pressure Seamless Pipe For Chemical Fertilizer Equipment
GB9948Seamless steel tube for petroleum cracking Tube
ASTM A213 Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exnger Tubes
ASTM A335 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
JIS G3458 Alloy Steel Pipes (STPA 12/ 20/ 22/ 23/ 24/ 25/ 26)
JIS G3462 Alloy Steel for Boiler and Heat Exchanger Tubes (STBA12/ 13/ 20/ 22)
JIS G3467 Steel Tubes for Fired Heater (STF 410/STFA 12/ 22/ 23/ 24/ 25/ 26)
DIN17175-79Electrical Resistance Or Induction Welded Steel Tubes for Elevated Temperature
