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AWS ENiCu-7 vs. SAE-AISI 5140 Steel

AWS ENiCu-7 belongs to the nickel alloys classification, while SAE-AISI 5140 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 34
12 to 29
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
73
Tensile Strength: Ultimate (UTS), MPa 550
560 to 970

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
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 50
2.1
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 250
49

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17
20 to 34
Strength to Weight: Bending, points 17
19 to 28
Thermal Diffusivity, mm2/s 5.5
12
Thermal Shock Resistance, points 18
16 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 20.6 to 38
0
Iron (Fe), % 0 to 2.5
97.3 to 98.1
Manganese (Mn), % 0 to 4.0
0.7 to 0.9
Nickel (Ni), % 62 to 69
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0 to 1.0
0
Residuals, % 0 to 0.5
0