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AISI 440A Stainless Steel vs. C31400 Bronze

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 5.0 to 20
6.8 to 29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
42
Shear Strength, MPa 450 to 1040
180 to 240
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
270 to 420
Tensile Strength: Yield (Proof), MPa 420 to 1650
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 760
180
Melting Completion (Liquidus), °C 1480
1040
Melting Onset (Solidus), °C 1370
1010
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 23
180
Thermal Expansion, µm/m-K 10
18

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
26 to 59
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26 to 65
8.7 to 13
Strength to Weight: Bending, points 23 to 43
11 to 14
Thermal Diffusivity, mm2/s 6.2
54
Thermal Shock Resistance, points 26 to 65
9.6 to 15

Alloy Composition

Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 78.4 to 83.4
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0 to 0.7
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4