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AWS ENiCu-7 vs. SAE-AISI D7 Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while SAE-AISI D7 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 D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
73
Tensile Strength: Ultimate (UTS), MPa 550
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1270
1440
Melting Onset (Solidus), °C 1230
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 21
27
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 50
10
Density, g/cm3 8.7
7.6
Embodied Carbon, kg CO2/kg material 8.0
11
Embodied Energy, MJ/kg 110
180
Embodied Water, L/kg 250
130

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17
29 to 78
Strength to Weight: Bending, points 17
25 to 48
Thermal Diffusivity, mm2/s 5.5
7.4
Thermal Shock Resistance, points 18
27 to 72

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
2.2 to 2.5
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 20.6 to 38
0 to 0.25
Iron (Fe), % 0 to 2.5
76.6 to 81.9
Manganese (Mn), % 0 to 4.0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
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 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Vanadium (V), % 0
3.8 to 4.4
Residuals, % 0 to 0.5
0