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C31400 Bronze vs. AISI 444 Stainless Steel

C31400 bronze belongs to the copper alloys classification, while AISI 444 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is AISI 444 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
0.28
Shear Modulus, GPa 42
78
Shear Strength, MPa 180 to 240
300
Tensile Strength: Ultimate (UTS), MPa 270 to 420
470
Tensile Strength: Yield (Proof), MPa 78 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 180
930
Melting Completion (Liquidus), °C 1040
1460
Melting Onset (Solidus), °C 1010
1420
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 43
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
15
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
95
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
240
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.7 to 13
17
Strength to Weight: Bending, points 11 to 14
17
Thermal Diffusivity, mm2/s 54
6.2
Thermal Shock Resistance, points 9.6 to 15
16

Alloy Composition

Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
73.3 to 80.8
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0 to 0.7
0 to 1.0
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0