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C95520 Bronze vs. S21640 Stainless Steel

C95520 bronze belongs to the copper alloys classification, while S21640 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C95520 bronze and the bottom bar is S21640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
230
Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 2.6
46
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 44
78
Tensile Strength: Ultimate (UTS), MPa 970
740
Tensile Strength: Yield (Proof), MPa 530
350

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 240
940
Melting Completion (Liquidus), °C 1070
1430
Melting Onset (Solidus), °C 1020
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 3.6
3.6
Embodied Energy, MJ/kg 58
51
Embodied Water, L/kg 390
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
280
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
300
Stiffness to Weight: Axial, points 8.0
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 33
27
Strength to Weight: Bending, points 27
23
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 33
16

Alloy Composition

Aluminum (Al), % 10.5 to 11.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.050
17.5 to 19.5
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.5 to 81.3
0
Iron (Fe), % 4.0 to 5.5
63 to 74.3
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0 to 1.5
3.5 to 6.5
Molybdenum (Mo), % 0
0.5 to 2.0
Nickel (Ni), % 4.2 to 6.0
4.0 to 6.5
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0
0.080 to 0.3
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.5
0