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C41300 Brass vs. C68800 Brass

Both C41300 brass and C68800 brass are copper alloys. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is C41300 brass and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.0 to 44
2.0 to 36
Poisson's Ratio 0.33
0.32
Rockwell B Hardness 53 to 88
81 to 99
Rockwell Superficial 30T Hardness 20 to 77
71 to 83
Shear Modulus, GPa 42
41
Shear Strength, MPa 230 to 370
380 to 510
Tensile Strength: Ultimate (UTS), MPa 300 to 630
570 to 890
Tensile Strength: Yield (Proof), MPa 120 to 570
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1040
960
Melting Onset (Solidus), °C 1010
950
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
18
Electrical Conductivity: Equal Weight (Specific), % IACS 31
20

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
48
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 1440
710 to 2860
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.6 to 20
19 to 30
Strength to Weight: Bending, points 11 to 19
19 to 25
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 11 to 22
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 89 to 93
70.8 to 75.5
Iron (Fe), % 0 to 0.050
0 to 0.2
Lead (Pb), % 0 to 0.1
0 to 0.050
Tin (Sn), % 0.7 to 1.3
0
Zinc (Zn), % 5.1 to 10.3
21.3 to 24.1
Residuals, % 0
0 to 0.5

Comparable Variants