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AWS ERNiCrCoMo-1 vs. S20910 Stainless Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while S20910 stainless steel belongs to the iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrCoMo-1 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
14 to 39
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 710
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
22
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
4.8
Embodied Energy, MJ/kg 140
68
Embodied Water, L/kg 350
180

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23
28 to 33
Strength to Weight: Bending, points 21
24 to 27
Thermal Diffusivity, mm2/s 3.5
3.6
Thermal Shock Resistance, points 19
17 to 21

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.060
Chromium (Cr), % 20 to 24
20.5 to 23.5
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
52.1 to 62.1
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 8.0 to 10
1.5 to 3.0
Nickel (Ni), % 42.7 to 61.2
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
0
Vanadium (V), % 0
0.1 to 0.3
Residuals, % 0 to 0.5
0