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C67000 Bronze vs. S21904 Stainless Steel

C67000 bronze belongs to the copper alloys classification, while S21904 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 C67000 bronze and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6 to 11
17 to 51
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 42
78
Shear Strength, MPa 390 to 510
510 to 620
Tensile Strength: Ultimate (UTS), MPa 660 to 880
700 to 1000
Tensile Strength: Yield (Proof), MPa 350 to 540
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 160
980
Melting Completion (Liquidus), °C 900
1400
Melting Onset (Solidus), °C 850
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 99
14
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 25
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 49
43
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 62
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1290
380 to 2070
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 23 to 31
25 to 36
Strength to Weight: Bending, points 21 to 26
23 to 29
Thermal Diffusivity, mm2/s 30
3.8
Thermal Shock Resistance, points 21 to 29
15 to 21

Alloy Composition

Aluminum (Al), % 3.0 to 6.0
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 63 to 68
0
Iron (Fe), % 2.0 to 4.0
59.5 to 67.4
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
8.0 to 10
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 21.8 to 32.5
0
Residuals, % 0 to 0.5
0