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SAE-AISI M7 Steel vs. C90800 Bronze

SAE-AISI M7 steel belongs to the iron alloys classification, while C90800 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 C90800 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
40
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
330

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Melting Completion (Liquidus), °C 1560
990
Melting Onset (Solidus), °C 1510
870
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 28
68
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 18
36
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 8.9
3.8
Embodied Energy, MJ/kg 130
62
Embodied Water, L/kg 100
410

Common Calculations

Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 76
11
Strength to Weight: Bending, points 23 to 47
12
Thermal Diffusivity, mm2/s 7.8
21
Thermal Shock Resistance, points 24 to 69
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
85.3 to 89
Iron (Fe), % 79.8 to 83.8
0 to 0.15
Lead (Pb), % 0
0 to 0.25
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 0.3
Silicon (Si), % 0.2 to 0.55
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
11 to 13
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0 to 0.25