large diameter stainless steel pipe, big pipe for special usage Detailed Product Description ... according to your requirements.2) Our products are corrosion and high-temperature resistant.3) Main grades 304, 304L, ... Standards: ASTM A312, ASTM A213, ASTM A269, ASTM A511 and GB/T14975-2002, GB/T14976-2002, GB13296-91, GB9948 ... , aviation, traffic, building etc. Large Diameter Stainless Pipe and Big Tube