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C64800 Bronze vs. SAE-AISI M3 Class 2 Steel

C64800 bronze belongs to the copper alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron 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 C64800 bronze and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 640
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Melting Completion (Liquidus), °C 1090
1620
Melting Onset (Solidus), °C 1030
1570
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 260
26
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 43
180
Embodied Water, L/kg 310
110

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 20
26 to 74
Strength to Weight: Bending, points 19
22 to 45
Thermal Diffusivity, mm2/s 75
7.2
Thermal Shock Resistance, points 23
24 to 69

Alloy Composition

Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0 to 0.090
3.8 to 4.5
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
0 to 0.25
Iron (Fe), % 0 to 1.0
75.8 to 82.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0 to 0.5
0 to 0.030
Silicon (Si), % 0.2 to 1.0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0