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AWS ERNiCu-7 vs. SAE-AISI 1090 Steel

AWS ERNiCu-7 belongs to the nickel alloys classification, while SAE-AISI 1090 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is SAE-AISI 1090 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 34
11
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
72
Tensile Strength: Ultimate (UTS), MPa 550
790 to 950

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Melting Completion (Liquidus), °C 1280
1450
Melting Onset (Solidus), °C 1240
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 20
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 50
1.8
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.4
Embodied Energy, MJ/kg 120
19
Embodied Water, L/kg 250
46

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 18
28 to 34
Strength to Weight: Bending, points 17
24 to 27
Thermal Diffusivity, mm2/s 5.3
13
Thermal Shock Resistance, points 19
25 to 31

Alloy Composition

Aluminum (Al), % 0 to 1.3
0
Carbon (C), % 0 to 0.15
0.85 to 1.0
Copper (Cu), % 18.3 to 36.5
0
Iron (Fe), % 0 to 2.5
98 to 98.6
Manganese (Mn), % 0 to 4.0
0.6 to 0.9
Nickel (Ni), % 62 to 69
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.3
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 1.5 to 3.0
0
Residuals, % 0 to 0.5
0