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SAE-AISI M4 Steel vs. CR019A Copper

SAE-AISI M4 steel belongs to the iron alloys classification, while CR019A 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 M4 steel and the bottom bar is CR019A 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 76
43
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
220

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1610
1090
Melting Onset (Solidus), °C 1560
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 25
390
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
35
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 14
2.7
Embodied Energy, MJ/kg 210
42
Embodied Water, L/kg 110
390

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 26 to 72
6.8
Strength to Weight: Bending, points 23 to 45
9.0
Thermal Diffusivity, mm2/s 6.9
110
Thermal Shock Resistance, points 24 to 68
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
99.874 to 99.92
Iron (Fe), % 75.9 to 81.4
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Silver (Ag), % 0
0.080 to 0.12
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0