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AWS ERNiCrCoMo-1 vs. S45500 Stainless Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while S45500 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrCoMo-1 and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
3.4 to 11
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 710
1370 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
17
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 10
3.8
Embodied Energy, MJ/kg 140
57
Embodied Water, L/kg 350
120

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23
48 to 65
Strength to Weight: Bending, points 21
35 to 42
Thermal Shock Resistance, points 19
48 to 64

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.050
Chromium (Cr), % 20 to 24
11 to 12.5
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
1.5 to 2.5
Iron (Fe), % 0 to 3.0
71.5 to 79.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 42.7 to 61.2
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.6
0.8 to 1.4
Residuals, % 0 to 0.5
0