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S40975 Stainless Steel vs. R04295 Alloy

S40975 stainless steel belongs to the iron alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. 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 S40975 stainless steel and the bottom bar is R04295 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 22
22
Poisson's Ratio 0.28
0.38
Shear Modulus, GPa 75
37
Tensile Strength: Ultimate (UTS), MPa 460
410
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Specific Heat Capacity, J/kg-K 480
260
Thermal Expansion, µm/m-K 10
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.0
Embodied Water, L/kg 95
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
84
Resilience: Unit (Modulus of Resilience), kJ/m3 250
430
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 17
14
Thermal Shock Resistance, points 17
40

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 10.5 to 11.7
0
Hafnium (Hf), % 0
9.0 to 11
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 84.4 to 89
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.5 to 1.0
0
Niobium (Nb), % 0
85.9 to 90.3
Nitrogen (N), % 0 to 0.030
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.75
0.7 to 1.3
Tungsten (W), % 0
0 to 0.5
Zirconium (Zr), % 0
0 to 0.7