... , if you need, please tell us. 1) Name: pipe fitting ( elbow, big bend, flange, tee, reducer, big and small head, cap ) ... ) from 26" to 72" (seam pipe fittings)3) Wall thickness: Sch5-Sch160, XS, XXS, STD4) Standard: ASME B16.9, JIS, DIN, GB ... under the ISO9001:2000 strictly offer all size of steel elbow, pipe fitting