... WeldingStandardANSI, JIS, DIN, EN, ISO, GB, SH AND HGMaterialCarbon, Stainless and AlloyCertificateAPI, ISO9001:2000, CCSPackingwooden cases or customerizedProduction Capacity10000pcs per ... ,WPL3, WPL8; WPHY42,46,52,56,60,65,70 Alloy Steel Butt Welding Pipe fitting:ASTM A234 WP1, WP12, ... WP11, WP22, WP5, WP7, WP8, and WP91 Stainless Steel Butt Welding Pipe fitting:ASME A403 WP304 ...