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AISI 431 Stainless Steel vs. C95400 Bronze

AISI 431 stainless steel belongs to the iron alloys classification, while C95400 bronze belongs to the copper 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 AISI 431 stainless steel and the bottom bar is C95400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 15 to 17
8.1 to 16
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
600 to 710
Tensile Strength: Yield (Proof), MPa 710 to 1040
240 to 360

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 850
230
Melting Completion (Liquidus), °C 1510
1040
Melting Onset (Solidus), °C 1450
1030
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 26
59
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
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
27
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.2
3.2
Embodied Energy, MJ/kg 31
53
Embodied Water, L/kg 120
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
48 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
250 to 560
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 32 to 50
20 to 24
Strength to Weight: Bending, points 27 to 36
19 to 22
Thermal Diffusivity, mm2/s 7.0
16
Thermal Shock Resistance, points 28 to 43
21 to 25

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
83 to 87
Iron (Fe), % 78.2 to 83.8
3.0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 1.3 to 2.5
0 to 1.5
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