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C90700 Bronze vs. S40975 Stainless Steel

C90700 bronze belongs to the copper alloys classification, while S40975 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 S40975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
170
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 12
22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 330
460
Tensile Strength: Yield (Proof), MPa 180
310

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Maximum Temperature: Mechanical, °C 170
710
Melting Completion (Liquidus), °C 1000
1450
Melting Onset (Solidus), °C 830
1400
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 71
26
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 35
6.5
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
2.0
Embodied Energy, MJ/kg 60
28
Embodied Water, L/kg 390
95

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
93
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 10
17
Strength to Weight: Bending, points 12
17
Thermal Diffusivity, mm2/s 22
7.0
Thermal Shock Resistance, points 12
17

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
10.5 to 11.7
Copper (Cu), % 88 to 90
0
Iron (Fe), % 0 to 0.15
84.4 to 89
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.5
0.5 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 1.5
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 10 to 12
0
Titanium (Ti), % 0
0 to 0.75
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.6
0