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R05240 Alloy vs. EN 1.4988 Stainless Steel

R05240 alloy belongs to the otherwise unclassified metals classification, while EN 1.4988 stainless steel belongs to the iron alloys. There are 18 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 R05240 alloy and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Elongation at Break, % 25
34
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 57
77
Tensile Strength: Ultimate (UTS), MPa 270
640
Tensile Strength: Yield (Proof), MPa 170
290

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Specific Heat Capacity, J/kg-K 190
470
Thermal Expansion, µm/m-K 6.8
16

Otherwise Unclassified Properties

Density, g/cm3 14
7.9
Embodied Water, L/kg 460
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
180
Resilience: Unit (Modulus of Resilience), kJ/m3 90
210
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 5.4
23
Strength to Weight: Bending, points 6.8
21
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.010
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
62.1 to 69.5
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0 to 0.020
1.1 to 1.5
Nickel (Ni), % 0 to 0.010
12.5 to 14.5
Niobium (Nb), % 35 to 42
0.4 to 1.2
Nitrogen (N), % 0 to 0.010
0.060 to 0.14
Oxygen (O), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.0050
0.3 to 0.6
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
Vanadium (V), % 0
0.6 to 0.85