Material: Stainless Steel & Carbon steel & Alloy Steel Technics: Forged Place of ... requirements .Detailed informations StandardANSI B16.9, DIN 2605, GB, DIN, JIS ETCMaterialA234 WP5, WP9, WP11, WP12, WP22, WP91,WP92,A234 WPB ... requirementApplicationPetroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction and so on JIS/DIN/ASTM/GB pipe fittings