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C38500 Bronze vs. S32950 Stainless Steel

C38500 bronze belongs to the copper alloys classification, while S32950 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C38500 bronze and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 17
17
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 37
80
Shear Strength, MPa 230
480
Tensile Strength: Ultimate (UTS), MPa 370
780
Tensile Strength: Yield (Proof), MPa 130
550

Thermal Properties

Latent Heat of Fusion, J/g 160
300
Maximum Temperature: Mechanical, °C 110
1100
Melting Completion (Liquidus), °C 890
1430
Melting Onset (Solidus), °C 880
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 31
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 22
17
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
120
Resilience: Unit (Modulus of Resilience), kJ/m3 78
730
Stiffness to Weight: Axial, points 7.0
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13
28
Strength to Weight: Bending, points 14
24
Thermal Diffusivity, mm2/s 40
4.3
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 55 to 59
0
Iron (Fe), % 0 to 0.35
60.3 to 69.4
Lead (Pb), % 2.5 to 3.5
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 0
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 36.7 to 42.5
0
Residuals, % 0 to 0.5
0