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C66900 Brass vs. SAE-AISI 1141 Steel

C66900 brass belongs to the copper alloys classification, while SAE-AISI 1141 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.1 to 26
11 to 17
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 45
72
Shear Strength, MPa 290 to 440
460 to 480
Tensile Strength: Ultimate (UTS), MPa 460 to 770
740 to 810
Tensile Strength: Yield (Proof), MPa 330 to 760
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 150
400
Melting Completion (Liquidus), °C 860
1460
Melting Onset (Solidus), °C 850
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 310
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
430 to 1290
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15 to 26
26 to 29
Strength to Weight: Bending, points 16 to 23
23 to 25
Thermal Shock Resistance, points 14 to 23
24 to 26

Alloy Composition

Carbon (C), % 0
0.37 to 0.45
Copper (Cu), % 62.5 to 64.5
0
Iron (Fe), % 0 to 0.25
97.7 to 98.2
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
1.4 to 1.7
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0.080 to 0.13
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0 to 0.2
0