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C31400 Bronze vs. SAE-AISI T4 Steel

C31400 bronze belongs to the copper alloys classification, while SAE-AISI T4 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 C31400 bronze and the bottom bar is SAE-AISI T4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
80
Tensile Strength: Ultimate (UTS), MPa 270 to 420
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Melting Completion (Liquidus), °C 1040
1810
Melting Onset (Solidus), °C 1010
1750
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 180
21
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
55
Density, g/cm3 8.8
9.4
Embodied Carbon, kg CO2/kg material 2.6
8.5
Embodied Energy, MJ/kg 42
130
Embodied Water, L/kg 310
120

Common Calculations

Stiffness to Weight: Axial, points 7.1
12
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 8.7 to 13
24 to 64
Strength to Weight: Bending, points 11 to 14
20 to 39
Thermal Diffusivity, mm2/s 54
5.4
Thermal Shock Resistance, points 9.6 to 15
24 to 64

Alloy Composition

Carbon (C), % 0
0.7 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 87.5 to 90.5
0 to 0.25
Iron (Fe), % 0 to 0.1
66.3 to 72.3
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0.1 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.7
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0