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EN 1.7231 Steel vs. CC750S Brass

EN 1.7231 steel belongs to the iron alloys classification, while CC750S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 280
54
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 12
13
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 790 to 930
200
Tensile Strength: Yield (Proof), MPa 570 to 800
80

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 420
130
Melting Completion (Liquidus), °C 1460
860
Melting Onset (Solidus), °C 1420
810
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 46
110
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
26

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 51
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
22
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 1700
30
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 28 to 33
6.8
Strength to Weight: Bending, points 24 to 27
9.3
Thermal Diffusivity, mm2/s 12
35
Thermal Shock Resistance, points 23 to 27
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
62 to 67
Iron (Fe), % 96.4 to 98.1
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Manganese (Mn), % 0.6 to 1.0
0 to 0.2
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.6
0 to 0.050
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36