China 42CrMo4 Alloy Steel Plate
42CrMo4 is a common alloy steel grade widely used in various industrial applications due to its excellent hardenability, high strength, and good toughness. It is often supplied in the quenched and tempered condition to achieve optimal mechanical properties.
Properties and Applications:
- Chemical Composition: Typically contains carbon (C), chromium (Cr), molybdenum (Mo), manganese (Mn), silicon (Si), phosphorus (P), and sulfur (S) within specified ranges. The chromium and molybdenum content enhance hardenability and strength.
- Mechanical Properties: Exhibits high tensile strength, yield strength, and impact toughness after heat treatment.
- Applications: Used in manufacturing gears, shafts, bolts, connecting rods, and other high-stress components in automotive, aerospace, and general engineering industries.
Heat Treatment:
- Quenching: Heating to a specific temperature followed by rapid cooling in oil or water to achieve a martensitic structure.
- Tempering: Reheating to a lower temperature to reduce brittleness and improve toughness.
Standards:
- Equivalent standards include EN 10083-3, ASTM A29, and JIS G4053.
When sourcing 42CrMo4 alloy steel plate, consider reputable suppliers who can provide material with verified specifications and quality control.
Considerations for Suppliers:
- Quality Certification: Ensure the supplier provides material with appropriate certifications.
- Testing Reports: Request material testing reports to verify chemical composition and mechanical properties.
- Size and Thickness Range: Check if the supplier can provide the required dimensions and thicknesses.
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