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AWS ERNiCrMo-4 vs. AWS ERNiCrFe-6

Both AWS ERNiCrMo-4 and AWS ERNiCrFe-6 are nickel alloys. Both are furnished in the as-welded condition. They have 77% 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 ERNiCrFe-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 28
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
74
Tensile Strength: Ultimate (UTS), MPa 790
630

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1590
1370
Melting Onset (Solidus), °C 1530
1320
Specific Heat Capacity, J/kg-K 410
460
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
55
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 13
9.8
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 280
260

Common Calculations

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

Alloy Composition


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Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 14.5 to 16.5
14 to 17
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 4.0 to 7.0
0 to 8.0
Manganese (Mn), % 0 to 1.0
2.0 to 2.7
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 50 to 63.5
67 to 81.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.5
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0 to 0.5