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C90900 Bronze vs. S40977 Stainless Steel

C90900 bronze belongs to the copper alloys classification, while S40977 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 C90900 bronze and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
160
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 280
510
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Maximum Temperature: Mechanical, °C 160
720
Melting Completion (Liquidus), °C 980
1440
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 360
480
Thermal Conductivity, W/m-K 65
25
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
6.5
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 64
27
Embodied Water, L/kg 410
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
92
Resilience: Unit (Modulus of Resilience), kJ/m3 89
250
Stiffness to Weight: Axial, points 6.8
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.8
18
Strength to Weight: Bending, points 11
18
Thermal Diffusivity, mm2/s 21
6.7
Thermal Shock Resistance, points 10
18

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 12.5
Copper (Cu), % 86 to 89
0
Iron (Fe), % 0 to 0.15
83.9 to 89.2
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.5
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015
Tin (Sn), % 12 to 14
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.6
0