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AISI 431 Stainless Steel vs. C61500 Bronze

AISI 431 stainless steel belongs to the iron alloys classification, while C61500 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 C61500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 15 to 17
3.0 to 55
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
42
Shear Strength, MPa 550 to 840
350 to 550
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
480 to 970
Tensile Strength: Yield (Proof), MPa 710 to 1040
150 to 720

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Maximum Temperature: Mechanical, °C 850
220
Melting Completion (Liquidus), °C 1510
1040
Melting Onset (Solidus), °C 1450
1030
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 26
58
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
13
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.2
3.2
Embodied Energy, MJ/kg 31
52
Embodied Water, L/kg 120
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
27 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
100 to 2310
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 50
16 to 32
Strength to Weight: Bending, points 27 to 36
16 to 26
Thermal Diffusivity, mm2/s 7.0
16
Thermal Shock Resistance, points 28 to 43
17 to 34

Alloy Composition

Aluminum (Al), % 0
7.7 to 8.3
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
89 to 90.5
Iron (Fe), % 78.2 to 83.8
0
Lead (Pb), % 0
0 to 0.015
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 1.3 to 2.5
1.8 to 2.2
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