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AISI 431 Stainless Steel vs. C62500 Bronze

AISI 431 stainless steel belongs to the iron alloys classification, while C62500 bronze belongs to the copper alloys. There are 30 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 AISI 431 stainless steel and the bottom bar is C62500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 15 to 17
1.0
Fatigue Strength, MPa 430 to 610
460
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
42
Shear Strength, MPa 550 to 840
410
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
690
Tensile Strength: Yield (Proof), MPa 710 to 1040
410

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 850
230
Melting Completion (Liquidus), °C 1510
1050
Melting Onset (Solidus), °C 1450
1050
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 26
47
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
26
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.2
3.3
Embodied Energy, MJ/kg 31
55
Embodied Water, L/kg 120
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
6.0
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
750
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 32 to 50
24
Strength to Weight: Bending, points 27 to 36
22
Thermal Diffusivity, mm2/s 7.0
13
Thermal Shock Resistance, points 28 to 43
24

Alloy Composition

Aluminum (Al), % 0
12.5 to 13.5
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
78.5 to 84
Iron (Fe), % 78.2 to 83.8
3.5 to 5.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 1.3 to 2.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5