steel pipe fittings Size:1/2"-48" Material:A234-WPB,A420-WPL6,A234-WP12,A234-WP11,A234-WP5 Material: Carbon Steel Technics: Forged Connection: Welding Head Code: Round DN:8,10,15,20,25,32,40,45(mm) Dimension:11,14,16,19,22,27,32,38 Thickness:3.3,3.5,4.1,4.3,5.0,5.3,5.6,6.1 steel pipe fittings