1)FBE Coating Carbon Steel Spiral Pipe 2)SIZE:21.3-- ... 1250mm 3)Thickness:1.8--60mm 4)API5L.ASTM-A53,BS1387-85,JIS-G3444 FBE Coating Carbon ... Steel Spiral Pipe:1)welded square pipe2)SIZE:21.3 ... ,etc.LengthAs per client requirementUsagePetrol,gas,water pipe,construction,chimney potProcessing techniqueThreading,coupling,necking,punching ...