... :Carbon steel,stainless steel,alloy steel etcDesign & Manufacture Std.:ASME B16.5,API 605,MSS SP-44,API 6A,JIS B2220,DIN ... ,UNI 2253,UNI 6100-67,AS4087Structure Type: Forged Screwed and Socket-weld fittings in shape of Elbow,tee,Union,cross,Coupling ...