MakeItFrom.com
Menu (ESC)

C68000 Brass vs. C91300 Bell Metal

Both C68000 brass and C91300 bell metal are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 24 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 C68000 brass and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 27
0.5
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 390
240
Tensile Strength: Yield (Proof), MPa 140
210

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 880
890
Melting Onset (Solidus), °C 870
820
Specific Heat Capacity, J/kg-K 390
360
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
39
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 48
74
Embodied Water, L/kg 330
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 95
210
Stiffness to Weight: Axial, points 7.3
6.6
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 14
7.8
Strength to Weight: Bending, points 15
10
Thermal Shock Resistance, points 13
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 56 to 60
79 to 82
Iron (Fe), % 0.25 to 1.3
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.25
Manganese (Mn), % 0.010 to 0.5
0
Nickel (Ni), % 0.2 to 0.8
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.040 to 0.15
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.75 to 1.1
18 to 20
Zinc (Zn), % 35.6 to 42.8
0 to 0.25
Residuals, % 0
0 to 0.6