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C94400 Bronze vs. EN 1.4729 Stainless Steel

C94400 bronze belongs to the copper alloys classification, while EN 1.4729 stainless steel belongs to the iron 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 C94400 bronze and the bottom bar is EN 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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