Steel SAE 4340

ANSI Steel SAE 4340
normalized
Steel Genel
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Mechanical Properties

💪 Yield Strength 862 MPa
🔩 Tensile Strength 1279 MPa
📐 Young's Modulus 207 GPa
📏 Elongation at Break 12.2 %
💎 Hardness (HB) 363 HB

Physical Properties

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

Feature Tags

Wear ResistanceHigh Pressure Resistance

💡 Did You Try This?

A lighter alternative providing the same yield strength:

Steel 38ChS GOST 4543-71
GOST Steel 38ChS GOST 4543-71
💪 750 MPa ⚖️ 7640 kg/m³