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SAE-AISI D7 Steel vs. CR008A Copper

SAE-AISI D7 steel belongs to the iron alloys classification, while CR008A copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
220

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 27
380
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 7.6
9.0
Embodied Carbon, kg CO2/kg material 11
2.6
Embodied Energy, MJ/kg 180
41
Embodied Water, L/kg 130
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29 to 78
6.8
Strength to Weight: Bending, points 25 to 48
9.0
Thermal Diffusivity, mm2/s 7.4
110
Thermal Shock Resistance, points 27 to 72
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 2.2 to 2.5
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.25
99.95 to 100
Iron (Fe), % 76.6 to 81.9
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 3.8 to 4.4
0