... Certificate:API,ISO9001,PE Product Introduction Of Carbon Steel Elbow For Pipes1. Material: Carbon steel (seam or seamless), stainless steel ... the endSize1/2'' to 72''/DN15-DN2000AngleSteel elbows,bend,tee,cross,reducers,cap,pipe, flanges, steel elbow fittings,nipple ... the best quality products. We would like to take responsibility for any quality uncertainty. Even so, our price is competitive ...