... tooth bend, stamping elbow inside andoutside screw, pushing elbow, socket elbow ,butt weld elbow,inside screw elbow. Our elbow through ... WarrantyOne yearRemark Material: Stainless steel include:ASTM/ASME A403 WP 304-304L-304H-304LN-304N Standard: I ASTM A234 ... mainly manufacture elbow, tee, reducer, cap, flange, cross, nipple, socket fitting, expansion joint and other series products. elbow:are widely ...