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SAE-AISI M4 Steel vs. C64800 Bronze

SAE-AISI M4 steel belongs to the iron alloys classification, while C64800 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is C64800 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
44
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
640

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Melting Completion (Liquidus), °C 1610
1090
Melting Onset (Solidus), °C 1560
1030
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 25
260
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 14
2.7
Embodied Energy, MJ/kg 210
43
Embodied Water, L/kg 110
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 26 to 72
20
Strength to Weight: Bending, points 23 to 45
19
Thermal Diffusivity, mm2/s 6.9
75
Thermal Shock Resistance, points 24 to 68
23

Alloy Composition

Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0 to 0.090
Cobalt (Co), % 0
1.0 to 3.0
Copper (Cu), % 0 to 0.25
92.4 to 98.8
Iron (Fe), % 75.9 to 81.4
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.5
Silicon (Si), % 0.2 to 0.45
0.2 to 1.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5