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C31400 Bronze vs. AISI 446 Stainless Steel

C31400 bronze belongs to the copper alloys classification, while AISI 446 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.8 to 29
23
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
79
Shear Strength, MPa 180 to 240
360
Tensile Strength: Ultimate (UTS), MPa 270 to 420
570
Tensile Strength: Yield (Proof), MPa 78 to 310
300

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 180
1180
Melting Completion (Liquidus), °C 1040
1510
Melting Onset (Solidus), °C 1010
1430
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 180
17
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 43
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
12
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 42
35
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
110
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
230
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 18
26
Strength to Weight: Axial, points 8.7 to 13
21
Strength to Weight: Bending, points 11 to 14
20
Thermal Diffusivity, mm2/s 54
4.6
Thermal Shock Resistance, points 9.6 to 15
19

Alloy Composition

Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
23 to 27
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
69.2 to 77
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.7
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0