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SAE-AISI H42 Steel vs. C18900 Copper

SAE-AISI H42 steel belongs to the iron alloys classification, while C18900 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
260 to 500

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1620
1080
Melting Onset (Solidus), °C 1570
1020
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 24
130
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 130
42
Embodied Water, L/kg 98
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 23 to 65
8.2 to 16
Strength to Weight: Bending, points 21 to 42
10 to 16
Thermal Diffusivity, mm2/s 6.5
38
Thermal Shock Resistance, points 20 to 57
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.55 to 0.7
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
97.7 to 99.15
Iron (Fe), % 79.3 to 83.8
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.15 to 0.4
0.1 to 0.3
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.6 to 0.9
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5