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SAE-AISI M41 Steel vs. CR007A Copper

SAE-AISI M41 steel belongs to the iron alloys classification, while CR007A 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 M41 steel and the bottom bar is CR007A 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 800 to 2290
230

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1600
1090
Melting Onset (Solidus), °C 1550
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 22
380
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 9.1
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 120
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 26 to 76
7.1
Strength to Weight: Bending, points 23 to 46
9.3
Thermal Diffusivity, mm2/s 6.0
110
Thermal Shock Resistance, points 25 to 71
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
Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
99.994 to 100
Iron (Fe), % 73.4 to 78.9
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0.2 to 0.6
0
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0.15 to 0.5
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
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0