1.carbon steel pipe fittings 2.tee, elbow, reducer, caps ect. 3.material of ASTM ... A234 WPB , ANSI B16.9 carbon steel pipe fittings (tee, elbow, reducer, caps ect.)size: DN15--DN600material of ASTM ... person : Ms. Haphry Wu ; Mobile:0086-13963583000 carbon steel pipe fittings