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Standard: EN10028-3
Description: 42CrMoS4 steel is a sulfur-enhanced variant of 42CrMo4, optimized for superior machinability while retaining high tensile strength and hardenability. Ideal for high-stress components requiring extensive machining. 42CrMoS4 alloy steel is a chromium-molybd...
42CrMoS4 steel is a sulfur-enhanced variant of 42CrMo4, optimized for superior machinability while retaining high tensile strength and hardenability. Ideal for high-stress components requiring extensive machining. 42CrMoS4 alloy steel adhering to the European standard EN 10083-3, offering improved machinability while maintaining robust strength and toughness.
42CrMoS4 alloy steel is a chromium-molybdenum steel known for its high tensile strength, good wear resistance, and enhanced machinability due to the addition of sulfur. It is commonly used in quenched and tempered conditions, making it ideal for heavy-duty components that require durability under high stress.
Conventional Sizes:
- Round bars: Diameter 10 mm to 500 mm.
- Flat bars: Thickness 10 mm to 200 mm, Width 50 mm to 600 mm.
- Plates: Thickness 10 mm to 300 mm.
- Forgings: Customized as per design requirements.
The chemical composition of 42CrMoS4 ensures a balanced combination of strength and machinability.
Element | C | Si | Mn | P | S | Cr | Mo |
---|---|---|---|---|---|---|---|
Content (%) | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.025 | 0.020-0.040 | 0.90-1.20 | 0.15-0.30 |
The mechanical properties of 42CrMoS4 alloy steel make it suitable for high-stress applications.
Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
---|---|---|---|---|
Value | 900-1100 | ≥650 | ≥12 | 255-300 |
EN 42CrMoS4 alloy steel has equivalent grades in various international standards
Standard | Grade |
---|---|
EN | 42CrMo4 (non-sulfur variant) |
AISI/SAE | 4140 |
DIN | 1.7227 |
JIS | SCM440 |
EN10028-3 42CrMoS4 alloy steel stands out as a reliable and versatile material in the realm of high-strength alloys. With its excellent mechanical properties, enhanced machinability, and wide range of applications, it meets the rigorous demands of industries like automotive, machinery, and energy.
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