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AISI W2 Steel vs. C70620 Copper-nickel

AISI W2 steel belongs to the iron alloys classification, while C70620 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
46
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Melting Completion (Liquidus), °C 1450
1120
Melting Onset (Solidus), °C 1410
1060
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 45
49
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.0
3.4
Embodied Energy, MJ/kg 29
51
Embodied Water, L/kg 48
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 21 to 86
9.3 to 18
Strength to Weight: Bending, points 20 to 51
11 to 17
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 80
10 to 20

Alloy Composition

Carbon (C), % 0.85 to 1.5
0 to 0.050
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.2
86.5 to 90
Iron (Fe), % 96.2 to 98.6
1.0 to 1.8
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.35 to 0.74
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
9.0 to 11
Phosphorus (P), % 0 to 0.025
0 to 0.2
Silicon (Si), % 0.1 to 0.4
0
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0.15 to 0.35
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5