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EN 1.4740 Stainless Steel vs. C67400 Bronze

EN 1.4740 stainless steel belongs to the iron alloys classification, while C67400 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4740 stainless steel and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 22
22 to 28
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
41

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 900
130
Melting Completion (Liquidus), °C 1420
890
Melting Onset (Solidus), °C 1370
870
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 18
100
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
26

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 32
48
Embodied Water, L/kg 120
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.8
32

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 16 to 19
0
Copper (Cu), % 0
57 to 60
Iron (Fe), % 75.4 to 82.7
0 to 0.35
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.0
2.0 to 3.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
31.1 to 40
Residuals, % 0
0 to 0.5