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C27000 Brass vs. ACI-ASTM CK35MN Steel

C27000 brass belongs to the copper alloys classification, while ACI-ASTM CK35MN steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 370 to 650
650

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 900
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.9
Embodied Energy, MJ/kg 45
81
Embodied Water, L/kg 320
210

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 22
22
Strength to Weight: Bending, points 14 to 21
21
Thermal Diffusivity, mm2/s 37
3.3
Thermal Shock Resistance, points 12 to 22
14

Alloy Composition

Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 63 to 68.5
0 to 0.4
Iron (Fe), % 0 to 0.1
43.4 to 51.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0