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SAE-AISI M4 Steel vs. C95500 Bronze

SAE-AISI M4 steel belongs to the iron alloys classification, while C95500 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 C95500 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
700 to 850

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1610
1050
Melting Onset (Solidus), °C 1560
1040
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 25
42
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 14
3.5
Embodied Energy, MJ/kg 210
57
Embodied Water, L/kg 110
390

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 26 to 72
24 to 29
Strength to Weight: Bending, points 23 to 45
21 to 24
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 24 to 68
24 to 29

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
78 to 84
Iron (Fe), % 75.9 to 81.4
3.0 to 5.0
Manganese (Mn), % 0.15 to 0.4
0 to 3.5
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
3.0 to 5.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Residuals, % 0
0 to 0.5