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CC767S Brass vs. ASTM A387 Grade 9 Steel

CC767S brass belongs to the copper alloys classification, while ASTM A387 grade 9 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC767S brass and the bottom bar is ASTM A387 grade 9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 34
20 to 21
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 430
500 to 600
Tensile Strength: Yield (Proof), MPa 150
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 120
600
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 790
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
26
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 36
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
6.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.1
Embodied Energy, MJ/kg 47
28
Embodied Water, L/kg 330
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
140 to 310
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
18 to 21
Strength to Weight: Bending, points 16
18 to 20
Thermal Diffusivity, mm2/s 34
6.9
Thermal Shock Resistance, points 14
14 to 17

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
8.0 to 10
Copper (Cu), % 58 to 64
0
Iron (Fe), % 0 to 0.5
87.1 to 90.8
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.1
0
Vanadium (V), % 0
0 to 0.040
Zinc (Zn), % 32.8 to 41.9
0