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C14200 Copper vs. SAE-AISI H21 Steel

C14200 copper belongs to the copper alloys classification, while SAE-AISI H21 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C14200 copper and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 220 to 370
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1080
1630
Melting Onset (Solidus), °C 1030
1580
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 190
27
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 2.6
4.5
Embodied Energy, MJ/kg 41
68
Embodied Water, L/kg 310
72

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 6.8 to 11
23 to 58
Strength to Weight: Bending, points 9.1 to 13
21 to 38
Thermal Diffusivity, mm2/s 56
7.1
Thermal Shock Resistance, points 7.9 to 13
24 to 59

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Carbon (C), % 0
0.28 to 0.36
Chromium (Cr), % 0
3.0 to 3.8
Copper (Cu), % 99.4 to 99.835
0 to 0.25
Iron (Fe), % 0
87.6 to 93.8
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.015 to 0.040
0 to 0.030
Silicon (Si), % 0
0.15 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6