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SAE-AISI M4 Steel vs. CR006A Copper

SAE-AISI M4 steel belongs to the iron alloys classification, while CR006A copper belongs to the copper alloys. There are 21 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 M4 steel and the bottom bar is CR006A 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
230

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
380
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 14
2.6
Embodied Energy, MJ/kg 210
41
Embodied Water, L/kg 110
320

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
7.1
Strength to Weight: Bending, points 23 to 45
9.3
Thermal Diffusivity, mm2/s 6.9
110
Thermal Shock Resistance, points 24 to 68
8.1

Alloy Composition

Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
99.9 to 100
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
Oxygen (O), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0