... pipes, Seamless Steel Pipes, carbon steel pipe, stainless steel pipe, and galvanized pipes. Welded Steel Pipe/ Tube We can produce welded pipes, Seamless Steel Pipes, carbon steel pipe, stainless steel pipe, and ... #, 16Mn, C20, C45, St52, GB8162, GB8163, GB9711.1-1997, GB3087 Standard: ASTM, JIS, DIN, BS, GB, CNS Processing mode: Hot-rolled ...