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C91700 Bronze vs. S40977 Stainless Steel

C91700 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 C91700 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, % 13
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 330
510
Tensile Strength: Yield (Proof), MPa 170
310

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Maximum Temperature: Mechanical, °C 170
720
Melting Completion (Liquidus), °C 1020
1440
Melting Onset (Solidus), °C 850
1400
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 71
25
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 36
6.5
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 63
27
Embodied Water, L/kg 400
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
92
Resilience: Unit (Modulus of Resilience), kJ/m3 140
250
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
18
Strength to Weight: Bending, points 12
18
Thermal Diffusivity, mm2/s 22
6.7
Thermal Shock Resistance, points 12
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), % 84.2 to 87.5
0
Iron (Fe), % 0 to 0.2
83.9 to 89.2
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 1.2 to 2.0
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.3
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), % 11.3 to 12.5
0
Zinc (Zn), % 0 to 0.25
0