... XS/XSS Standard:ANSI,JIS ,DIN ,GB SR ELBOW straight tee . straight teeSize:1/2"---72"/DN15--DN1800Thinkness :Sch10-Sch160/X, ... ,API 5L , DIN , JIS ,BS ,GB Materials carbon steel , alloy steel , stainless steel Type elbow series , flange,series tee series ,reducer series ... ,gas,power,construction,etc Company name XI'AN LINKUN MATERIALS (STEEL PIPE SUPPLIES) CO.,LTDMain products : C.S seamless & welded ...