We are offering steel pipe fittings, pipe fittings -elbowstypes: pipe fittings (elbow, equal tee, flanged tee, etc.)manufacturing standards: ansi, iso, jis and dinsize range: from 12 to 72 inches (dn 15 to dn 1800mm)wall thickness: from sch5 to sch160, pressure: class 3, 000, 6, 000 and 9, 000materials: steel carbon steel, stainless steel, malleable iron, a234, a105, a403, f304, f304l, f316 and f316l, ductile iron, etc.