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AWS ERNiCrMo-10 vs. EN 1.6781 Steel

AWS ERNiCrMo-10 belongs to the nickel alloys classification, while EN 1.6781 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-10 and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 28
17
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 790
830

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1490
1420
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 10
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
5.0
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 12
1.9
Embodied Energy, MJ/kg 160
25
Embodied Water, L/kg 300
60

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 2.7
12
Thermal Shock Resistance, points 21
24

Alloy Composition

Carbon (C), % 0 to 0.015
0.15 to 0.19
Chromium (Cr), % 20 to 22.5
1.3 to 1.8
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.0 to 6.0
92.6 to 94.6
Manganese (Mn), % 0 to 0.5
0.55 to 0.8
Molybdenum (Mo), % 12.5 to 14.5
0.45 to 0.6
Nickel (Ni), % 49 to 63
3.0 to 3.5
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.080
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0