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C42200 Brass vs. C69430 Brass

Both C42200 brass and C69430 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C42200 brass and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 46
17
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Shear Strength, MPa 210 to 350
350
Tensile Strength: Ultimate (UTS), MPa 300 to 610
570
Tensile Strength: Yield (Proof), MPa 100 to 570
280

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1040
920
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 130
26
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 32
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1460
340
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.5 to 19
19
Strength to Weight: Bending, points 11 to 18
18
Thermal Diffusivity, mm2/s 39
7.7
Thermal Shock Resistance, points 10 to 21
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 86 to 89
80 to 83
Iron (Fe), % 0 to 0.050
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.3
Phosphorus (P), % 0 to 0.35
0
Silicon (Si), % 0
3.5 to 4.5
Tin (Sn), % 0.8 to 1.4
0
Zinc (Zn), % 8.7 to 13.2
11.4 to 16.5
Residuals, % 0
0 to 0.5