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CC331G Bronze vs. EN 1.4729 Stainless Steel

CC331G 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 CC331G bronze and the bottom bar is EN 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
15
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Maximum Temperature: Mechanical, °C 220
850
Melting Completion (Liquidus), °C 1060
1420
Melting Onset (Solidus), °C 1000
1380
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 61
24
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 14
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
7.5
Density, g/cm3 8.3
7.6
Embodied Carbon, kg CO2/kg material 3.2
2.1
Embodied Energy, MJ/kg 53
29
Embodied Water, L/kg 390
100

Common Calculations

Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 17
6.5

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 83 to 86.5
0
Iron (Fe), % 1.5 to 3.5
80.4 to 86.7
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 1.5
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0