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Steel SAE 4140

ANSI Steel SAE 4140
annealed
Steel Genel
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Mechanical Properties

💪 Yield Strength 417 MPa
🔩 Tensile Strength 655 MPa
📐 Young's Modulus 207 GPa
📏 Elongation at Break 25.7 %
💎 Hardness (HB) 197 HB

Physical Properties

⚖️ Density 7860 kg/m³
↔️ Poisson's Ratio 0.3 -
💰 Cost Index 3 / 10

Feature Tags

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💡 Did You Try This?

A lighter alternative providing the same yield strength:

CSN 422724
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💪 420 MPa ⚖️ 7160 kg/m³