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SAE-AISI H21 Steel vs. C82400 Copper

SAE-AISI H21 steel belongs to the iron alloys classification, while C82400 copper belongs to the copper alloys. There are 20 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 H21 steel and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 76
45
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
500 to 1030

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Melting Completion (Liquidus), °C 1630
1000
Melting Onset (Solidus), °C 1580
900
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 27
130
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 4.5
8.9
Embodied Energy, MJ/kg 68
140
Embodied Water, L/kg 72
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 23 to 58
16 to 33
Strength to Weight: Bending, points 21 to 38
16 to 26
Thermal Diffusivity, mm2/s 7.1
39
Thermal Shock Resistance, points 24 to 59
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Carbon (C), % 0.28 to 0.36
0
Chromium (Cr), % 3.0 to 3.8
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0 to 0.25
96 to 98.2
Iron (Fe), % 87.6 to 93.8
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.15 to 0.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5