... )WT:1-160 mm ASTM A234 WPB carbon steel tee 1.Certificate:SGS,ISO,CCS,API 2.Size:1/4" to 48" ... WeldingStandardANSI, JIS, DIN, EN, ISO, GB, SH AND HGMaterialCarbon, Stainless and AlloyCertificateAPI, ISO9001:2000, CCSPackingwooden cases or customerizedProduction Capacity10000pcs per ... WPL9,WPL3, WPL8; WPHY42,46,52,56,60,65,70 Alloy Steel Butt Welding Pipe fitting:ASTM A234 WP1, WP12, WP11, ...