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AISI 431 Stainless Steel vs. C61000 Bronze

AISI 431 stainless steel belongs to the iron alloys classification, while C61000 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is C61000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 15 to 17
29 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
42
Shear Strength, MPa 550 to 840
280 to 300
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
390 to 460
Tensile Strength: Yield (Proof), MPa 710 to 1040
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Maximum Temperature: Mechanical, °C 850
210
Melting Completion (Liquidus), °C 1510
1040
Melting Onset (Solidus), °C 1450
990
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 26
69
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
15
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.2
3.0
Embodied Energy, MJ/kg 31
49
Embodied Water, L/kg 120
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
110 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
100 to 160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 50
13 to 15
Strength to Weight: Bending, points 27 to 36
14 to 16
Thermal Diffusivity, mm2/s 7.0
19
Thermal Shock Resistance, points 28 to 43
14 to 16

Alloy Composition

Aluminum (Al), % 0
6.0 to 8.5
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
90.2 to 94
Iron (Fe), % 78.2 to 83.8
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 1.3 to 2.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5