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R04295 Alloy vs. S44725 Stainless Steel

R04295 alloy belongs to the otherwise unclassified metals classification, while S44725 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is R04295 alloy and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 22
22
Poisson's Ratio 0.38
0.27
Shear Modulus, GPa 37
81
Tensile Strength: Ultimate (UTS), MPa 410
500
Tensile Strength: Yield (Proof), MPa 300
310

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Specific Heat Capacity, J/kg-K 260
480
Thermal Expansion, µm/m-K 7.2
11

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.7
Embodied Water, L/kg 950
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
99
Resilience: Unit (Modulus of Resilience), kJ/m3 430
240
Stiffness to Weight: Axial, points 6.3
15
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 13
18
Strength to Weight: Bending, points 14
18
Thermal Shock Resistance, points 40
16

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.015
Chromium (Cr), % 0
25 to 28.5
Hafnium (Hf), % 9.0 to 11
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0
67.6 to 73.5
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 85.9 to 90.3
0 to 0.26
Nitrogen (N), % 0 to 0.010
0 to 0.018
Oxygen (O), % 0 to 0.025
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.7 to 1.3
0 to 0.26
Tungsten (W), % 0 to 0.5
0
Zirconium (Zr), % 0 to 0.7
0