1) Type: seamless butt welding pipe fitting 2) Size: 1/2"-120" 3) Varieties: SGP, STD, SCH40/80, XS 4) Material: CS, ... pipe fittings), stainless steel pipe fittings(SS pipe fittings)SIZENPS1/2”-120”(DN15-3000)WALL THICKNESSSCH5S/10S, SCH20/40/80/160, STD ... /XS/XXS, SGP…….MATERIALcarbon steel: ASTM A234 GR WPB , ST37.2 , ST35.8 , A105……alloy steel: A234 WP5/WP9/WP11/WP22 ...