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AWS ENiCu-7 vs. SAE-AISI M43 Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while SAE-AISI M43 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 M43 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
77
Tensile Strength: Ultimate (UTS), MPa 550
810 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1270
1550
Melting Onset (Solidus), °C 1230
1500
Specific Heat Capacity, J/kg-K 430
450
Thermal Conductivity, W/m-K 21
19
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
33
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 8.0
8.5
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 250
140

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17
27 to 77
Strength to Weight: Bending, points 17
24 to 47
Thermal Diffusivity, mm2/s 5.5
5.3
Thermal Shock Resistance, points 18
25 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
1.2 to 1.3
Chromium (Cr), % 0
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 20.6 to 38
0 to 0.25
Iron (Fe), % 0 to 2.5
70.8 to 76
Manganese (Mn), % 0 to 4.0
0.2 to 0.4
Molybdenum (Mo), % 0
7.5 to 8.5
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
0.15 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0
2.3 to 3.0
Vanadium (V), % 0
1.5 to 1.8
Residuals, % 0 to 0.5
0