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EN 1.4931 Steel vs. AWS ERNiCrMo-3

EN 1.4931 steel belongs to the iron alloys classification, while AWS ERNiCrMo-3 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is AWS ERNiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 810
870

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 24
11
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
80
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.9
14
Embodied Energy, MJ/kg 42
190
Embodied Water, L/kg 100
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
2.8
Thermal Shock Resistance, points 22
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.2 to 0.26
0 to 0.010
Chromium (Cr), % 11.3 to 12.2
20 to 23
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.2 to 86.8
0 to 5.0
Manganese (Mn), % 0.5 to 0.8
0 to 0.5
Molybdenum (Mo), % 1.0 to 1.2
8.0 to 10
Nickel (Ni), % 0 to 1.0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0
Residuals, % 0
0 to 0.5