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C63020 Bronze vs. S43940 Stainless Steel

C63020 bronze belongs to the copper alloys classification, while S43940 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C63020 bronze and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 6.8
21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 44
77
Shear Strength, MPa 600
310
Tensile Strength: Ultimate (UTS), MPa 1020
490
Tensile Strength: Yield (Proof), MPa 740
280

Thermal Properties

Latent Heat of Fusion, J/g 230
280
Maximum Temperature: Mechanical, °C 230
890
Melting Completion (Liquidus), °C 1070
1440
Melting Onset (Solidus), °C 1020
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 18
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
12
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 58
38
Embodied Water, L/kg 390
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
86
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
200
Stiffness to Weight: Axial, points 8.0
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 34
18
Strength to Weight: Bending, points 27
18
Thermal Diffusivity, mm2/s 11
6.8
Thermal Shock Resistance, points 35
18

Alloy Composition

Aluminum (Al), % 10 to 11
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.050
17.5 to 18.5
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
0
Iron (Fe), % 4.0 to 5.5
78.2 to 82.1
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 4.2 to 6.0
0
Niobium (Nb), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0.1 to 0.6
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.5
0