NF 51S7

NF NF 51S7
heat treated
Steel Spring steel
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Mechanical Properties

💪 Yield Strength 1350 MPa
🔩 Tensile Strength 1500 MPa
📐 Young's Modulus 206 GPa
📏 Elongation at Break 6 %

Physical Properties

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

Feature Tags

Spring / FlexibilityHigh Pressure Resistance

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A lighter alternative providing the same yield strength:

Steel 20ChGNR GOST 4543-71
GOST Steel 20ChGNR GOST 4543-71
💪 1200 MPa ⚖️ 7800 kg/m³