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SAE-AISI H12 Steel vs. CR022A Copper

SAE-AISI H12 steel belongs to the iron alloys classification, while CR022A copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H12 steel and the bottom bar is CR022A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 75
43
Tensile Strength: Ultimate (UTS), MPa 690 to 1850
230

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1480
1090
Melting Onset (Solidus), °C 1440
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 36
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
100
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 76
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 24 to 65
7.1
Strength to Weight: Bending, points 22 to 42
9.3
Thermal Diffusivity, mm2/s 9.8
110
Thermal Shock Resistance, points 22 to 60
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0
0 to 0.00010
Carbon (C), % 0.3 to 0.4
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
99.99 to 99.999
Iron (Fe), % 87.8 to 91.7
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0.2 to 0.5
0 to 0.00050
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0 to 0.3
0 to 0.0010
Phosphorus (P), % 0 to 0.030
0.0010 to 0.0060
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.030
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0
0 to 0.00020
Tungsten (W), % 1.0 to 1.7
0
Vanadium (V), % 0 to 0.5
0
Zinc (Zn), % 0
0 to 0.00010