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AWS ENiCu-7 vs. SAE-AISI T8 Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 21 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 ENiCu-7 and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
78
Tensile Strength: Ultimate (UTS), MPa 550
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1270
1730
Melting Onset (Solidus), °C 1230
1670
Specific Heat Capacity, J/kg-K 430
420
Thermal Conductivity, W/m-K 21
18
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
45
Density, g/cm3 8.7
9.0
Embodied Carbon, kg CO2/kg material 8.0
10
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 250
120

Common Calculations

Stiffness to Weight: Axial, points 10
12
Stiffness to Weight: Bending, points 21
22
Strength to Weight: Axial, points 17
24 to 66
Strength to Weight: Bending, points 17
21 to 41
Thermal Diffusivity, mm2/s 5.5
4.8
Thermal Shock Resistance, points 18
24 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 20.6 to 38
0 to 0.25
Iron (Fe), % 0 to 2.5
69.3 to 75.4
Manganese (Mn), % 0 to 4.0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 62 to 69
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.5
0.2 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4
Residuals, % 0 to 0.5
0