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AWS ERNiCrMo-4 vs. AWS ERNiCrCoMo-1

Both AWS ERNiCrMo-4 and AWS ERNiCrCoMo-1 are nickel alloys. Both are furnished in the as-welded condition. They have 80% 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 ERNiCrMo-4 and the bottom bar is AWS ERNiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 28
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
81
Tensile Strength: Ultimate (UTS), MPa 790
710

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1590
1420
Melting Onset (Solidus), °C 1530
1370
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
75
Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 13
10
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 280
350

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 22
19

Alloy Composition


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Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.020
0.050 to 0.15
Chromium (Cr), % 14.5 to 16.5
20 to 24
Cobalt (Co), % 0 to 2.5
10 to 15
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 4.0 to 7.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 15 to 17
8.0 to 10
Nickel (Ni), % 50 to 63.5
42.7 to 61.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.6
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0 to 0.5