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AISI 384 Stainless Steel vs. C31400 Bronze

AISI 384 stainless steel belongs to the iron alloys classification, while C31400 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
42
Tensile Strength: Ultimate (UTS), MPa 480
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 910
180
Melting Completion (Liquidus), °C 1420
1040
Melting Onset (Solidus), °C 1380
1010
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 16
180
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
42
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
43

Otherwise Unclassified Properties

Base Metal Price, % relative 20
29
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.7
2.6
Embodied Energy, MJ/kg 52
42
Embodied Water, L/kg 150
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17
8.7 to 13
Strength to Weight: Bending, points 17
11 to 14
Thermal Diffusivity, mm2/s 4.3
54
Thermal Shock Resistance, points 11
9.6 to 15

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 60.9 to 68
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 17 to 19
0 to 0.7
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4