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C91100 Bronze vs. S21603 Stainless Steel

C91100 bronze belongs to the copper alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C91100 bronze and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 2.0
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 39
79
Tensile Strength: Ultimate (UTS), MPa 240
690
Tensile Strength: Yield (Proof), MPa 170
390

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 160
990
Melting Completion (Liquidus), °C 950
1420
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 360
480
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 38
17
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 4.2
3.6
Embodied Energy, MJ/kg 69
50
Embodied Water, L/kg 440
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
270
Resilience: Unit (Modulus of Resilience), kJ/m3 140
380
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.7
25
Strength to Weight: Bending, points 9.9
22
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
17.5 to 22
Copper (Cu), % 82 to 85
0
Iron (Fe), % 0 to 0.25
57.6 to 67.8
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.5
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 1.0
0 to 0.045
Silicon (Si), % 0 to 0.0050
0 to 0.75
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 15 to 17
0
Zinc (Zn), % 0 to 0.25
0