AISI 4142
AISI 4142 is a medium-carbon, low-alloy steel known for its high strength, good wear resistance, and excellent hardenability. It is widely used in forged components requiring a balance of toughness and machinability. The alloy’s composition and heat treatment allow it to achieve tailored mechanical properties for demanding applications.
Descriptions
1. Chemical Composition
AISI 4142 steel is part of the chromium-molybdenum alloy family, with carbon and manganese contributing to its strength and hardenability.
2. Mechanical Properties
AISI 4142 achieves optimal mechanical properties through heat treatment (e.g., quenching and tempering). Values depend on processing parameters such as tempering temperature.
3. Key Advantages
High Strength-to-Weight Ratio: Suitable for load-bearing components.
Good Hardenability: Uniform properties through thick sections.
Machinability: Improved machinability in annealed condition.
Cost-Effective: Balances performance and affordability compared to higher-nickel alloys.
4. Industry standards
ASTM A322: Standard specification for steel bars, alloy, standard grades.
SAE J404: Designation for chemical compositions of alloy steels.
DIN 41CrMo4: European equivalent alloy (similar composition).
UNS G41420: Unified numbering system code.
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CONTACT US
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B-2007,Chuanmei Building,Taishan Street,Taian City，Shandong, China
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Email Address
Sales@tiptopforging.com
Applications
Forged couplings, spindles, and high-stress fasteners.
Gears, axle shafts, crankshafts, and drivetrain components.
Valve stems, drilling tool joints, and pump shafts.
Hydraulic cylinder rods, pins, and excavation machinery components.
