GB2270-80 Seamless Stainless Steel Pipe
GB/T 14976-94 Seamless Stainless Steel Tubes for Fluid Transmission
GB/T14975-94 Structural Stainless Steel Seamless Tubes
GB13296-91 Seamless Stainless Steel Tubes for Boilers and Heat Exchangers
(ASTM A519) (ASME B16.9) Aircraft Structural Steel Thick-Walled Seamless Steel Tubes
(ASTM A312) (ASME B36.19) Aviation-grade Seamless Stainless Steel Pipe
(Aviation Use) 18A Hollow Rivet Thin-Walled Seamless Steel Tube (YB/T679-97) (YB679-71)
(ASTM A269) (ASTM A213) Seamless Structural Tubing for Aviation Use
(Aviation Tube) YB/T681-97, YB681-71, 20A Thin-Walled Seamless Steel Tube for Aviation Use
GB3090-82 Stainless Steel Small Diameter Seamless Steel Pipe
GB5310-95 Seamless Steel Tubes for High-Pressure Boilers