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C68400 Brass vs. ASTM Grade LC9 Steel

C68400 brass belongs to the copper alloys classification, while ASTM grade LC9 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
22
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 540
660
Tensile Strength: Yield (Proof), MPa 310
590

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 130
430
Melting Completion (Liquidus), °C 840
1450
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 99
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
8.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 47
31
Embodied Water, L/kg 320
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
140
Resilience: Unit (Modulus of Resilience), kJ/m3 460
920
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.13
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 59 to 64
0 to 0.3
Iron (Fe), % 0 to 1.0
87.4 to 91.5
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 0.9
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.5
8.5 to 10
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 0.45
Sulfur (S), % 0
0 to 0.045
Tin (Sn), % 0 to 0.5
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0