... -Made Wrought Buttwelding Fitting 2) Size: 1/2-120 3) Varieties: STD, SCH40/80, XS 4) ... ), stainless steel pipe fittings(SS pipe fittings)SIZENPS1/2”-120”(DN15-3000)WALL THICKNESSSCH5S/10S, SCH20/40/ ... XXS, SGP…….MATERIALcarbon steel: ASTM A234 GR WPB , ST37.2 , ST35.8 , A105……alloy steel: A234 WP5/WP9 ... TP310 , A182 F304/304L/F316/F316LF321…..STANDARDANSI B 16.9/ANSI B16.28/MSS SP43/MSS P75/JIS2311/JIS ...