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C94900 Bronze vs. S21900 Stainless Steel

C94900 bronze belongs to the copper alloys classification, while S21900 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C94900 bronze and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
50
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 300
710
Tensile Strength: Yield (Proof), MPa 130
390

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 980
1400
Melting Onset (Solidus), °C 910
1350
Specific Heat Capacity, J/kg-K 370
480
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 32
15
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 55
43
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
300
Resilience: Unit (Modulus of Resilience), kJ/m3 72
380
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.4
26
Strength to Weight: Bending, points 11
23
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 79 to 81
0
Iron (Fe), % 0 to 0.3
59.4 to 67.4
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0 to 0.1
8.0 to 10
Nickel (Ni), % 4.0 to 6.0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.050
0 to 0.045
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.080
0 to 0.030
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0
Residuals, % 0 to 0.8
0