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C64700 Bronze vs. S40977 Stainless Steel

C64700 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 C64700 bronze and the bottom bar is S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 9.0
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
76
Shear Strength, MPa 390
320
Tensile Strength: Ultimate (UTS), MPa 660
510
Tensile Strength: Yield (Proof), MPa 560
310

Thermal Properties

Latent Heat of Fusion, J/g 220
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1030
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 210
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 38
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
6.5
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 43
27
Embodied Water, L/kg 310
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
250
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 59
6.7
Thermal Shock Resistance, points 24
18

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 95.8 to 98
0
Iron (Fe), % 0 to 0.1
83.9 to 89.2
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 1.6 to 2.2
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0