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R04295 Alloy vs. Class 4 Tungsten

Both R04295 alloy and class 4 tungsten are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R04295 alloy and the bottom bar is class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
270
Elongation at Break, % 22
2.3
Poisson's Ratio 0.38
0.28
Shear Modulus, GPa 37
110
Tensile Strength: Ultimate (UTS), MPa 410
790
Tensile Strength: Yield (Proof), MPa 300
580

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Specific Heat Capacity, J/kg-K 260
130
Thermal Expansion, µm/m-K 7.2
4.5

Otherwise Unclassified Properties

Density, g/cm3 9.0
16
Embodied Water, L/kg 950
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
16
Resilience: Unit (Modulus of Resilience), kJ/m3 430
620
Stiffness to Weight: Axial, points 6.3
9.6
Stiffness to Weight: Bending, points 17
14
Strength to Weight: Axial, points 13
14
Strength to Weight: Bending, points 14
12
Thermal Shock Resistance, points 40
46

Alloy Composition

Carbon (C), % 0 to 0.015
0
Hafnium (Hf), % 9.0 to 11
0
Hydrogen (H), % 0 to 0.0015
0
Niobium (Nb), % 85.9 to 90.3
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.025
0
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.7 to 1.3
0
Tungsten (W), % 0 to 0.5
97
Zirconium (Zr), % 0 to 0.7
0
Residuals, % 0
3.0