Certificate: ISO9001 Standard: ASME, ANIS, DIN, JIS, EN Material: A105/A234 and stainless ... : A105/A234 and stainlessSize:l: from 1/2'' to 24'' Standard:GB , ASTM , ANSI , EN 10253-1 , DIN , JIS , GOSTMaterial:Carbon ... steel(10# 20# Q235,20G,16Mn,ASTM A105) carbon steel elbow/pipe fitting