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EN 1.7149 Steel vs. CC765S Brass

EN 1.7149 steel belongs to the iron alloys classification, while CC765S 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 1.7149 steel and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
130
Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 500 to 1460
540

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 420
140
Melting Completion (Liquidus), °C 1460
860
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 46
91
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
34

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 19
51
Embodied Water, L/kg 52
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 18 to 52
19
Strength to Weight: Bending, points 18 to 36
18
Thermal Diffusivity, mm2/s 12
28
Thermal Shock Resistance, points 15 to 42
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0.17 to 0.22
0
Chromium (Cr), % 1.0 to 1.3
0
Copper (Cu), % 0 to 0.25
51 to 65
Iron (Fe), % 96.5 to 97.7
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 1.1 to 1.4
0.3 to 3.0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.1
Sulfur (S), % 0.020 to 0.040
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19.8 to 47.7