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AWS ERNiCrMo-4 vs. Nickel 685

Both AWS ERNiCrMo-4 and nickel 685 are nickel alloys. They have 79% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-4 and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 28
17
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 790
1250

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1590
1380
Melting Onset (Solidus), °C 1530
1330
Specific Heat Capacity, J/kg-K 410
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
75
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 13
10
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 280
340

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24
42
Strength to Weight: Bending, points 21
31
Thermal Shock Resistance, points 22
37

Alloy Composition


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Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.020
0.030 to 0.1
Chromium (Cr), % 14.5 to 16.5
18 to 21
Cobalt (Co), % 0 to 2.5
12 to 15
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 4.0 to 7.0
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 15 to 17
3.5 to 5.0
Nickel (Ni), % 50 to 63.5
49.6 to 62.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
0.020 to 0.12
Residuals, % 0 to 0.5
0