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R05240 Alloy vs. EN 1.4034 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.4034 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R05240 alloy and the bottom bar is EN 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Elongation at Break, % 25
11 to 14
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
76
Tensile Strength: Ultimate (UTS), MPa 270
690 to 900
Tensile Strength: Yield (Proof), MPa 170
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 6.8
11

Otherwise Unclassified Properties

Density, g/cm3 14
7.7
Embodied Water, L/kg 460
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 90
400 to 1370
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
25 to 32
Strength to Weight: Bending, points 6.8
22 to 27
Thermal Shock Resistance, points 18
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.010
0.43 to 0.5
Chromium (Cr), % 0
12.5 to 14.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
83 to 87.1
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0