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AWS ERNiCrCoMo-1 vs. S44735 Stainless Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while S44735 stainless steel belongs to the iron alloys. They have a modest 29% 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 S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 28
21
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
82
Tensile Strength: Ultimate (UTS), MPa 710
630

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
21
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
4.4
Embodied Energy, MJ/kg 140
61
Embodied Water, L/kg 350
180

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 23
23
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 19
20

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 20 to 24
28 to 30
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
60.7 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
3.6 to 4.2
Nickel (Ni), % 42.7 to 61.2
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
0.2 to 1.0
Residuals, % 0 to 0.5
0