Cold Drawn Seamless Steel Pipe Cold Drawn Seamless Steel Pipe Cold Drawn Seamless Steel Pipe Cold Drawn Seamless Steel Pipe Cold Drawn Seamless Steel Pipe Material: Stainless SteelCertificate: ISO, ASTM, GB Size(2-630) x (0.3-30) x (800 - 18000)mmMaterial Grade200, 201, 304, 304L, TP304, TP304L, 316L, TP316L, 321, F321, etc.StandardISO 9001/ ASTM A269/ A270/ A312/ A213, GB/T 14976/ GB/T 13296, ...