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AWS ERNi-1 vs. AWS ERNiCr-3

Both AWS ERNi-1 and AWS ERNiCr-3 are nickel alloys. Both are furnished in the as-welded condition. They have 74% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERNi-1 and the bottom bar is AWS ERNiCr-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 22
34
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 69
75
Tensile Strength: Ultimate (UTS), MPa 470
630

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1360
1380
Melting Onset (Solidus), °C 1310
1330
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
70
Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 11
11
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 230
280

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 15
19
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 0
18 to 22
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 0 to 1.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
2.5 to 3.5
Nickel (Ni), % 93 to 98
67 to 77.5
Niobium (Nb), % 0
2.0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.0 to 3.5
0 to 0.75
Residuals, % 0
0 to 0.5