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SAE-AISI M3 Class 2 Steel vs. C62300 Bronze

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while C62300 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 M3 class 2 steel and the bottom bar is C62300 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 770 to 2210
570 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1620
1050
Melting Onset (Solidus), °C 1570
1040
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 26
54
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 12
3.1
Embodied Energy, MJ/kg 180
52
Embodied Water, L/kg 110
390

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 26 to 74
19 to 21
Strength to Weight: Bending, points 22 to 45
18 to 20
Thermal Diffusivity, mm2/s 7.2
15
Thermal Shock Resistance, points 24 to 69
20 to 22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10
Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
83.2 to 89.5
Iron (Fe), % 75.8 to 82.3
2.0 to 4.0
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.6
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Residuals, % 0
0 to 0.5