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C91700 Bronze vs. S21603 Stainless Steel

C91700 bronze belongs to the copper alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C91700 bronze and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
200
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 13
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 330
690
Tensile Strength: Yield (Proof), MPa 170
390

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 170
990
Melting Completion (Liquidus), °C 1020
1420
Melting Onset (Solidus), °C 850
1380
Specific Heat Capacity, J/kg-K 370
480
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 36
17
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 3.9
3.6
Embodied Energy, MJ/kg 63
50
Embodied Water, L/kg 400
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
270
Resilience: Unit (Modulus of Resilience), kJ/m3 140
380
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
25
Strength to Weight: Bending, points 12
22
Thermal Shock Resistance, points 12
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), % 84.2 to 87.5
0
Iron (Fe), % 0 to 0.2
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), % 1.2 to 2.0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.3
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), % 11.3 to 12.5
0
Zinc (Zn), % 0 to 0.25
0