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AWS ERNiCr-3 vs. S30441 Stainless Steel

AWS ERNiCr-3 belongs to the nickel alloys classification, while S30441 stainless steel belongs to the iron alloys. They have a modest 31% 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 ERNiCr-3 and the bottom bar is S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 630
580

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
18
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 11
3.4
Embodied Energy, MJ/kg 160
50
Embodied Water, L/kg 280
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 18 to 22
17.5 to 19.5
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
1.5 to 2.5
Iron (Fe), % 0 to 3.0
62 to 71.7
Manganese (Mn), % 2.5 to 3.5
0 to 2.0
Nickel (Ni), % 67 to 77.5
8.0 to 10.5
Niobium (Nb), % 2.0 to 3.0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.75
0
Tungsten (W), % 0
0.2 to 0.8
Residuals, % 0 to 0.5
0