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C91100 Bronze vs. S17700 Stainless Steel

C91100 bronze belongs to the copper alloys classification, while S17700 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 S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 2.0
1.0 to 23
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 39
76
Tensile Strength: Ultimate (UTS), MPa 240
1180 to 1650
Tensile Strength: Yield (Proof), MPa 170
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 160
890
Melting Completion (Liquidus), °C 950
1440
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 360
480
Thermal Conductivity, W/m-K 63
15
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 38
13
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 69
40
Embodied Water, L/kg 440
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460 to 3750
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.7
42 to 59
Strength to Weight: Bending, points 9.9
32 to 40
Thermal Diffusivity, mm2/s 20
4.1
Thermal Shock Resistance, points 9.1
39 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.75 to 1.5
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.090
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 82 to 85
0
Iron (Fe), % 0 to 0.25
70.5 to 76.8
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.5
6.5 to 7.8
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 0.030
Tin (Sn), % 15 to 17
0
Zinc (Zn), % 0 to 0.25
0