42CrMo4 +QT Steel (1.7225 Material) 42CrMo4 material (1.7225 steel) is an European standard alloy steel, the delivery condition of this steel is mostly tempered and quenched, it has high strength, high toughness, good hardenability, temper brittleness, high fatigue limit, good impact resistance after quenching and tempering, and good low temperature impact toughness.
ASTM 4140 Steel 1.7225 42CrMo4 SCM440 - OTAI Special ASTM 4140 Steel 1.7225 42CrMo4 42CD4 2244 SCM440 Oil and Gas industry Steel. ASTM 4140 Steel is a Alloy Structural Steel belong to ASTM A29/A29M Steel Grade standard. AISI 4140 used in Oil and Gas industry and Large Machinery Strutural. 4140 Steel China Supplier and factory Otai Special Steel Supply ASTM 4140 steel in Round bar, Plate, Flat bar, Square, Forging Ring and others any