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AWS ENiCu-7 vs. SAE-AISI O1 Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while SAE-AISI O1 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (1, 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 O1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
72
Tensile Strength: Ultimate (UTS), MPa 550
640 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1270
1460
Melting Onset (Solidus), °C 1230
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 21
43
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
3.4
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.9
Embodied Energy, MJ/kg 110
27
Embodied Water, L/kg 250
51

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17
23 to 73
Strength to Weight: Bending, points 17
21 to 46
Thermal Diffusivity, mm2/s 5.5
12
Thermal Shock Resistance, points 18
21 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0.85 to 1.0
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 20.6 to 38
0 to 0.25
Iron (Fe), % 0 to 2.5
95 to 97.4
Manganese (Mn), % 0 to 4.0
1.0 to 1.4
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 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0 to 0.3
Residuals, % 0 to 0.5
0