Q235 Stainless steel pipe with ASTM A106 OD:2mm-60mm WT:21.3mm-1420mm Application:Chemical Fertilizer Pipe,Oil/Gas Pipe etc. Q235 Stainless steel pipe with ASTM A106OD:2mm-60mmWT:21.3mm-1420mmApplication:Chemical Fertilizer Pipe,Oil/Gas Pipe etc. Material: API 5L. ASTM A53, ASTM A106, ASTM A420,EN10204.3.1.DIN. etc. API,PED,ISO certificate,Q235 Stainless steel pipe with ASTM A106