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C31400 Bronze vs. AISI 440B Stainless Steel

C31400 bronze belongs to the copper alloys classification, while AISI 440B stainless steel belongs to the iron alloys. There are 28 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 C31400 bronze and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.8 to 29
3.0 to 18
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Shear Strength, MPa 180 to 240
460 to 1110
Tensile Strength: Ultimate (UTS), MPa 270 to 420
740 to 1930
Tensile Strength: Yield (Proof), MPa 78 to 310
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 200
280
Maximum Temperature: Mechanical, °C 180
870
Melting Completion (Liquidus), °C 1040
1480
Melting Onset (Solidus), °C 1010
1370
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 180
23
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 43
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.0
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 42
31
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
57 to 110
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.7 to 13
27 to 70
Strength to Weight: Bending, points 11 to 14
24 to 45
Thermal Diffusivity, mm2/s 54
6.1
Thermal Shock Resistance, points 9.6 to 15
27 to 70

Alloy Composition

Carbon (C), % 0
0.75 to 1.0
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
78.2 to 83.3
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.7
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0