Welded round steel pipe: 1)Products grade: Q195-235 2)Pipe Diameter: All possible dimensions and shapes available 3)Galvanized steel pipes is available from us as per customers' special requirements. 4)Standards: GB/T24001/T19001 ISO14001/9001 5) Packaging: Seaworthy packing, With edge protector, in bundle,Or as per customers' special requirements