High Hardenability Iso 42crmo4 Steels Meet The Needs Of Complex Parts Manufacturing - China

ISO 42CrMo4 steels (corresponding to AISI 4140) is a medium carbon alloy structural steel with high hardenability, high strength, good toughness and wear resistance.

It is widely used in the manufacture of complex parts such as heavy machinery, aerospace, automobile transmission systems, and oil drilling equipment.

High hardenability characteristics of ISO 42CrMo4 steels

Alloy composition optimization: Contains Cr (chromium) and Mo (molybdenum), which improves hardenability and enables large-section parts to obtain uniform hardness distribution.

Heat treatment adaptability: High strength (tensile strength ≥ 900 MPa) and good toughness (impact energy ≥ 40 J) can be obtained through quenching and tempering (quenching + tempering).

Advantages of ISO 42CrMo4 steels in the manufacture of complex parts

Suitable for large-size, high-load parts

Gears, transmission shafts: High hardenability ensures uniform hardness across the entire section, avoiding problems such as insufficient surface hardening or low core strength.

Oil drilling tools (drill pipes, drill bits): impact-resistant, fatigue-resistant, and adaptable to harsh working conditions.

Heavy machinery (crankshaft, connecting rod): high strength + high toughness, extended service life.

Conclusion

ISO 42CrMo4 steels has become an ideal material for complex and high-load parts due to its high hardenability, excellent strength-toughness matching and good processing performance.

Through reasonable heat treatment + surface strengthening, it can meet the stringent requirements of heavy machinery, automotive transmission, petroleum equipment and other fields.

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We keep a mass stock are over 20000 tons for various steel type, including steel round bar, steel sheet, alloy steel, carbon steel, stainless steel, mold steel, steel coil and etc.

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• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

• Phone: 076985475596

• Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China

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• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
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