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AWS ERNiMo-3 vs. EN 1.6579 Steel

AWS ERNiMo-3 belongs to the nickel alloys classification, while EN 1.6579 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiMo-3 and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 83
73
Tensile Strength: Ultimate (UTS), MPa 770
850 to 980

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1600
1460
Melting Onset (Solidus), °C 1540
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
3.7
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 15
1.7
Embodied Energy, MJ/kg 190
22
Embodied Water, L/kg 270
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
30 to 35
Strength to Weight: Bending, points 21
25 to 28
Thermal Shock Resistance, points 24
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.12
0.32 to 0.38
Chromium (Cr), % 4.0 to 6.0
1.4 to 1.7
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
94.2 to 96.1
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 23 to 26
0.15 to 0.35
Nickel (Ni), % 53.7 to 69
1.4 to 1.7
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 0.6
0
Residuals, % 0 to 0.5
0