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R04295 Alloy vs. EN 1.7240 Steel

R04295 alloy belongs to the otherwise unclassified metals classification, while EN 1.7240 steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is R04295 alloy and the bottom bar is EN 1.7240 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 37
73
Tensile Strength: Ultimate (UTS), MPa 410
670 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 260
470
Thermal Expansion, µm/m-K 7.2
13

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.8
Embodied Water, L/kg 950
50

Common Calculations

Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 13
24 to 71
Strength to Weight: Bending, points 14
22 to 45
Thermal Shock Resistance, points 40
20 to 59

Alloy Composition

Carbon (C), % 0 to 0.015
0.56 to 0.64
Chromium (Cr), % 0
0.7 to 1.0
Hafnium (Hf), % 9.0 to 11
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0
96.7 to 97.9
Manganese (Mn), % 0
0.7 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Niobium (Nb), % 85.9 to 90.3
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.025
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.025
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.7 to 1.3
0
Tungsten (W), % 0 to 0.5
0
Zirconium (Zr), % 0 to 0.7
0