Shape: forging parts, steel rings, mould forge, free forge Forging parts,forged ... : Max OD 3000mm Other equipments and machinery components. Steel Grades:Oil & Gas: ST52-3, S355j2g3,A105N, 1045, 4140, 4130, 4145H, ... . Cold Work Steel/ Hot Work Steel /Plastic Mould Steel / High Speed Steel / Carbon Steel / Bearing Steel / Alloy Steel and Stainless Steel. Steel Forging parts, according to drawing, good ...