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EN 1.4729 Stainless Steel vs. CC764S Brass

EN 1.4729 stainless steel belongs to the iron alloys classification, while CC764S brass 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 CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 15
15
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 75
41

Thermal Properties

Latent Heat of Fusion, J/g 300
180
Maximum Temperature: Mechanical, °C 850
130
Melting Completion (Liquidus), °C 1420
850
Melting Onset (Solidus), °C 1380
810
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 24
94
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
36

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
23
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.1
2.9
Embodied Energy, MJ/kg 29
49
Embodied Water, L/kg 100
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 6.5
30

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
52 to 66
Iron (Fe), % 80.4 to 86.7
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0.3 to 4.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
20.7 to 50.2