... TubeType: Tig Welding, Welded,Nitrogen Protection Technology: Cold Rolled, Hot Rolled Standard:ASTM A554-08a AISI GB Certification: GB/T19001- ... Meterial of Stainless Steel : GP201 202 301 304etc Cold-Rolled 201/304 Stainless Steel Pipe,Austenitis Stainless Steel ,100*100 ... Steel Tubing,AISI/ASTMA554 304 Stainless Steel Pipe, Hot Rolled 201/304 Stainless Steel Tube,Clod Drawing Pipe,SUS304 Stainless ...