42CrMo steel is an ultra-high-strength steel with high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and multiple impact resistance after quenching and tempering, and good low-temperature impact toughness. This steel is suitable for manufacturing large and medium-sized plastic molds that require certain strength and toughness.
Corresponding German grade: 42CrMo4; Approximate corresponding American grade: 4140
High strength and hardenability, good toughness, small deformation during quenching, high creep strength and durable strength at high temperature. It is used to manufacture forgings that require higher strength and larger quenched and tempered sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, highly loaded connecting rods and spring clips, and can also be used for Oil deep well drill pipe joints and fishing tools below 2000m, and can be used for bending machine molds, etc.
Molybdenum Mo: 0.15～0.25
Sample size: sample blank size is 25mm
Quenching+tempering No.12 Quenching oil at 860°C, then tempering at 390°C. HRC48-52
United Steel Industry As the most important steel pipe manufacturer and exporter in China, in the past 20 years, we have completed more than 100 projects, with partners in more than 100 countries, and established relationships with oil and gas and EPC companies in many countries business relationship.
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