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Alloy steel 4140
Material type: Metal, High hardness, High strength
Alloy steel 4140 is a chromium-, molybdenum-, and manganese-containing low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. Moreover it has good atmospheric corrosion resistance. It is widely used in many industries due to its excellent properties.
Process compatibility
Material Color
Silver gray
Material advantages
Alloy steel 4140 has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength.
Material shortcomings
-
Recommended description
It has good machinability in the annealed condition.
Properties
| Name | |
|---|---|
| Tensile strength | 1130MPa |
| Yield strength | 715MPa |
| Density | 7.85 g/cc |
| Hardness | 28-32HRC |
| Elongation at Break | 21.5% |
| Modulus of elasticity | 210GPa |
| Shear modulus | 80GPa |
| Thermal expansion coefficent | 11.5 - 13.5 10^-6 ºC |
| Melting point | 1416°C |
Common applications
• Heavy duty shafts
• Connecting rods
• High tensile bolts
Customer reviews
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