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AWS ERNiCrMo-2 vs. AWS ERNiCrCoMo-1

Both AWS ERNiCrMo-2 and AWS ERNiCrCoMo-1 are nickel alloys. Both are furnished in the as-welded condition. They have 82% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is AWS ERNiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 750
710

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
75
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 9.2
10
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 270
350

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 2.9
3.5
Thermal Shock Resistance, points 20
19

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.050 to 0.15
0.050 to 0.15
Chromium (Cr), % 20.5 to 23
20 to 24
Cobalt (Co), % 0.5 to 2.5
10 to 15
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 17 to 20
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
8.0 to 10
Nickel (Ni), % 40.3 to 53.8
42.7 to 61.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.6
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0
0 to 0.5