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AWS ERNiCu-7 vs. SAE-AISI P5 Steel

AWS ERNiCu-7 belongs to the nickel alloys classification, while SAE-AISI P5 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (2, 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 P5 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 61
73
Tensile Strength: Ultimate (UTS), MPa 550
370 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1280
1460
Melting Onset (Solidus), °C 1240
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 20
45
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 50
2.8
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.5
Embodied Energy, MJ/kg 120
20
Embodied Water, L/kg 250
56

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 18
13 to 70
Strength to Weight: Bending, points 17
15 to 45
Thermal Diffusivity, mm2/s 5.3
12
Thermal Shock Resistance, points 19
12 to 65

Alloy Composition

Aluminum (Al), % 0 to 1.3
0
Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 18.3 to 36.5
0 to 0.25
Iron (Fe), % 0 to 2.5
95.7 to 97.8
Manganese (Mn), % 0 to 4.0
0.2 to 0.6
Nickel (Ni), % 62 to 69
0 to 0.35
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.3
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.5 to 3.0
0
Residuals, % 0 to 0.5
0