GB Stainless Steel Pipe
GB 13296—2007—Seamless stainless steel tubes for boiler and heat exchanger
GB14976—2002—Stainless steel seamless tubes for fluid transport
GB14975—2002—Stainless steel seamless tubes for structures
GB/T12771—2008—Welded stainless steel pipes for liquid delivery
GB/T12770—2002—Welded stainless steel tubes for machine structures
GB/T12459—2005—Steel butt-welding seamless pipe fittings