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AWS ERNiCrCoMo-1 vs. EN 1.4458 Stainless Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while EN 1.4458 stainless steel belongs to the iron alloys. They have 54% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrCoMo-1 and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 710
510

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
30
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 10
5.4
Embodied Energy, MJ/kg 140
75
Embodied Water, L/kg 350
200

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.5
4.2
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 20 to 24
19 to 22
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0 to 2.0
Iron (Fe), % 0 to 3.0
40.2 to 53
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
2.0 to 2.5
Nickel (Ni), % 42.7 to 61.2
26 to 30
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0 to 0.6
0
Residuals, % 0 to 0.5
0