1:Austenitis Stainless Steel Pipe 2:OD:9.5--219mm 3:Thickness ... stainless steel,widely used in manufacturing of equipment for food,general chemical,nuclear power industries,architecture decoration,shipbuilding,military use,chemical,automobile exhaust ... Mechanical, Mechanical Test, Chemical Composition Analysis , ISO Quality Management System Certification ,MTC(5) Tolerance:OD: ±0.15mm Thickness: ±0 ...