1)astm a53 sch 40 steel pipe 2)OD:1/2"-48" 3)WT ... :SSAW,LSAW,Seamless 5)Standard:ASTM,ANSI Type astm a53 sch 40 steel pipe SizeSeamless Pipe: 1/2”~48”, DN15~DN1200, ... as: long/short radius elbows(EL/ES),straight / reducing tee(TC/TR) ,SO ,WN,PL,BL,SW,TH flanges, ... female face; lapped joint; flat face(FF); threadedForged fittingsType:Elbow, Tee, Union, Cross, Coupling, Cap, Bushing, Plug, Swage Nipple, ...