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SAE-AISI M4 Steel vs. C66100 Bronze

SAE-AISI M4 steel belongs to the iron alloys classification, while C66100 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is C66100 bronze.

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
410 to 790

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1610
1050
Melting Onset (Solidus), °C 1560
1000
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 25
34
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 14
2.6
Embodied Energy, MJ/kg 210
42
Embodied Water, L/kg 110
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 26 to 72
13 to 25
Strength to Weight: Bending, points 23 to 45
14 to 22
Thermal Diffusivity, mm2/s 6.9
9.7
Thermal Shock Resistance, points 24 to 68
15 to 29

Alloy Composition

Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
92 to 97
Iron (Fe), % 75.9 to 81.4
0 to 0.25
Lead (Pb), % 0
0.2 to 0.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
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
2.8 to 3.5
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5