... of ASTM A105,A182,ST37.2,C22.8,ASTM A694,JIS G3101 SS41,etc.size:1/2"--68"suitable ... fittingswelded butt-welding fittingsstainless steel butt-welding fittingsforged fittingsbutt-welding fittings are produced according to ANSI B16.9,DIN2605,JIS ... : seamless 1/2"--48" welded 1/2"--88"forged fittings from 1/8" to 4",threaded or S/W, ... , gas,oil,and other liquids pipe lines Flanges & Steel fittings