... 1 Type: Elbow, Reducer, Tee, Cap 2 Standard: ANSI B16.9 3 Material: ASTM A234 WPB 4 Butt welded carbon steel pipe fittings ... Typecarbon steel pipe fittingsSize1/2" - 80"(DN15 - DN2000 ... : ASTM A234WPB, WPC; ASTM A420 WPL9,WPL3,WPL6A;ST 37.2.2)Stainless Steel: ASTM A403 WP304/304L, WP316/316L,WP321,WP3473 ...