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SAE-AISI M7 Steel vs. C87200 Bronze

SAE-AISI M7 steel belongs to the iron alloys classification, while C87200 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 C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
380

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1560
970
Melting Onset (Solidus), °C 1510
860
Specific Heat Capacity, J/kg-K 450
410
Thermal Conductivity, W/m-K 28
28
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
29
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 8.9
2.7
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26 to 76
12
Strength to Weight: Bending, points 23 to 47
14
Thermal Diffusivity, mm2/s 7.8
8.0
Thermal Shock Resistance, points 24 to 69
14

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
89 to 99
Iron (Fe), % 79.8 to 83.8
0 to 2.5
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.5
Silicon (Si), % 0.2 to 0.55
1.0 to 5.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0 to 5.0