... largest share of about 80%. Usually, the different materialor wall thickness elbow choose different forming technology. At present, the ... (DN15 - DN500),welded fittings 1/2" - 48" (DN15 - DN1200) Wall thickness/pressure rateing: SCH5S-SCH160 Angle:45 degree, 90 degree ... elbow, tee, reducer, cap, flange, cross, nipple, socket fitting, expansion joint and other series products. elbow:are widely ...