... elbow,tee,reducer,cap,bend,crossWe supply carbon steel pipe fittings of different standards.STANDARDS: ANSI B16.9 ASTM ... Caps is usually used for protecting the end of pipe and other fittings,so the shape is disigned ... steel elbows distinguished by connection ends, The ends may be machined for butt welding , threaded , or socketed , so the ... volume when requried carbon steel astm L/R 45 degree Elbow