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C66900 Brass vs. SAE-AISI 9255 Steel

C66900 brass belongs to the copper alloys classification, while SAE-AISI 9255 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.1 to 26
21
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 45
72
Shear Strength, MPa 290 to 440
430
Tensile Strength: Ultimate (UTS), MPa 460 to 770
680
Tensile Strength: Yield (Proof), MPa 330 to 760
390

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 150
400
Melting Completion (Liquidus), °C 860
1430
Melting Onset (Solidus), °C 850
1390
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.0
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 310
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
400
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15 to 26
24
Strength to Weight: Bending, points 16 to 23
22
Thermal Shock Resistance, points 14 to 23
21

Alloy Composition

Carbon (C), % 0
0.51 to 0.59
Copper (Cu), % 62.5 to 64.5
0
Iron (Fe), % 0 to 0.25
96.2 to 97
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
0.7 to 1.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
1.8 to 2.2
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0 to 0.2
0