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C90700 Bronze vs. S32950 Stainless Steel

C90700 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 C90700 bronze and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
260
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 330
780
Tensile Strength: Yield (Proof), MPa 180
550

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 1000
1430
Melting Onset (Solidus), °C 830
1390
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 71
16
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 35
17
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 3.7
3.4
Embodied Energy, MJ/kg 60
47
Embodied Water, L/kg 390
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
730
Stiffness to Weight: Axial, points 6.9
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 10
28
Strength to Weight: Bending, points 12
24
Thermal Diffusivity, mm2/s 22
4.3
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 88 to 90
0
Iron (Fe), % 0 to 0.15
60.3 to 69.4
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 0 to 0.5
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0 to 1.5
0 to 0.035
Silicon (Si), % 0 to 0.0050
0 to 0.6
Sulfur (S), % 0 to 0.050
0 to 0.010
Tin (Sn), % 10 to 12
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.6
0