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C91100 Bronze vs. S40920 Stainless Steel

C91100 bronze belongs to the copper alloys classification, while S40920 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C91100 bronze and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 2.0
22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 39
75
Tensile Strength: Ultimate (UTS), MPa 240
430
Tensile Strength: Yield (Proof), MPa 170
190

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 160
710
Melting Completion (Liquidus), °C 950
1450
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 360
480
Thermal Conductivity, W/m-K 63
26
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 38
6.5
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.0
Embodied Energy, MJ/kg 69
28
Embodied Water, L/kg 440
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
78
Resilience: Unit (Modulus of Resilience), kJ/m3 140
97
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.7
15
Strength to Weight: Bending, points 9.9
16
Thermal Diffusivity, mm2/s 20
6.9
Thermal Shock Resistance, points 9.1
15

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), % 82 to 85
0
Iron (Fe), % 0 to 0.25
85.1 to 89.4
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.5
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 1.0
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.020
Tin (Sn), % 15 to 17
0
Titanium (Ti), % 0
0.15 to 0.5
Zinc (Zn), % 0 to 0.25
0