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EN 1.7321 Steel vs. CC764S Brass

EN 1.7321 steel belongs to the iron alloys classification, while CC764S brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7321 steel and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
160
Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 490 to 1460
680

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 410
130
Melting Completion (Liquidus), °C 1460
850
Melting Onset (Solidus), °C 1420
810
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 45
94
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
36

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 20
49
Embodied Water, L/kg 50
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17 to 52
24
Strength to Weight: Bending, points 18 to 36
22
Thermal Diffusivity, mm2/s 12
30
Thermal Shock Resistance, points 14 to 43
22

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.3 to 0.6
0
Copper (Cu), % 0 to 0.25
52 to 66
Iron (Fe), % 97.1 to 98.4
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.7 to 1.0
0.3 to 4.0
Molybdenum (Mo), % 0.4 to 0.5
0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
20.7 to 50.2