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SAE-AISI M7 Steel vs. C64800 Bronze

SAE-AISI M7 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 M7 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 77
44
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
640

Thermal Properties

Latent Heat of Fusion, J/g 270
220
Melting Completion (Liquidus), °C 1560
1090
Melting Onset (Solidus), °C 1510
1030
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 28
260
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
33
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 8.9
2.7
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 76
20
Strength to Weight: Bending, points 23 to 47
19
Thermal Diffusivity, mm2/s 7.8
75
Thermal Shock Resistance, points 24 to 69
23

Alloy Composition

Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
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), % 79.8 to 83.8
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 8.2 to 9.2
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 0.55
0.2 to 1.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5