High-Temp Alloy

GH4169

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Chemical Composition
Carbon (C) ≤0.08
Manganese (Mn) ≤0.35
Iron (Fe) Rest
Sulfur (S) ≤0.01
Silicon (Si) ≤0.35
Copper (Cu) ≤0.3
Nickel (Ni) 50-55
Cobalt (Co) ≤1.0
Aluminum (Al) 0.2-0.8
Titanium (Ti) 0.7-1.15
Chromium (Cr) 17-21
Molybdenum (Mo) 2.8-3.3
Niobium (Nb) 4.75-5.5
Physical & Mechanical Properties
Alloy Grade GH4169
Density (g/cm³) 8.24
Melting Point (°C) 1260-1320
Coefficient of Lines Expansion (α×10⁻⁶/20~1000ºC) 11.8
Tensile Strength (Rm N/mm²) 930
Yield Strength (Rp 0.2N/mm²) 620
Elongation at Break A5 (%) 20
Brinell Hardness (HBS) ≥363
Thermal Conductivity λ (W/m·℃) 14.7(100℃)
Specific Heat (J/kg·°C) 435
Modulus of Elasticity (GPa) 199.9
Shear Modulus (GPa) 77.2
Poisson's Ratio 0.3
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