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R04295 Alloy vs. AISI 440A Stainless Steel

R04295 alloy belongs to the otherwise unclassified metals classification, while AISI 440A stainless steel belongs to the iron alloys. There are 17 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 AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 22
5.0 to 20
Poisson's Ratio 0.38
0.28
Shear Modulus, GPa 37
77
Tensile Strength: Ultimate (UTS), MPa 410
730 to 1790
Tensile Strength: Yield (Proof), MPa 300
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Specific Heat Capacity, J/kg-K 260
480
Thermal Expansion, µm/m-K 7.2
10

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.7
Embodied Water, L/kg 950
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
87 to 120
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 13
26 to 65
Strength to Weight: Bending, points 14
23 to 43
Thermal Shock Resistance, points 40
26 to 65

Alloy Composition

Carbon (C), % 0 to 0.015
0.6 to 0.75
Chromium (Cr), % 0
16 to 18
Hafnium (Hf), % 9.0 to 11
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0
78.4 to 83.4
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
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 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
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