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AWS ERNiCrMo-4 vs. Nickel 725

Both AWS ERNiCrMo-4 and nickel 725 are nickel alloys. They have 86% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-4 and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 28
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 790
860

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1590
1340
Melting Onset (Solidus), °C 1530
1270
Specific Heat Capacity, J/kg-K 410
440
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
13
Embodied Energy, MJ/kg 170
190
Embodied Water, L/kg 280
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 22
23

Alloy Composition


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Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 14.5 to 16.5
19 to 22.5
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
2.3 to 15.3
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 15 to 17
7.0 to 9.5
Nickel (Ni), % 50 to 63.5
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.080
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0