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EN 1.4729 Stainless Steel vs. C94400 Bronze

EN 1.4729 stainless steel belongs to the iron alloys classification, while C94400 bronze belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
55
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 15
18
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 75
37

Thermal Properties

Latent Heat of Fusion, J/g 300
180
Maximum Temperature: Mechanical, °C 850
150
Melting Completion (Liquidus), °C 1420
940
Melting Onset (Solidus), °C 1380
790
Specific Heat Capacity, J/kg-K 490
350
Thermal Conductivity, W/m-K 24
52
Thermal Expansion, µm/m-K 10
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
32
Density, g/cm3 7.6
9.1
Embodied Carbon, kg CO2/kg material 2.1
3.4
Embodied Energy, MJ/kg 29
54
Embodied Water, L/kg 100
390

Common Calculations

Stiffness to Weight: Axial, points 14
6.1
Stiffness to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 6.5
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
76.1 to 84
Iron (Fe), % 80.4 to 86.7
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 1.0 to 2.5
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8