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C33500 Brass vs. C36500 Muntz Metal

Both C33500 brass and C36500 Muntz Metal are copper alloys. They have a very high 96% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C33500 brass and the bottom bar is C36500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 3.0 to 28
40
Poisson's Ratio 0.31
0.3
Rockwell B Hardness 53 to 91
45
Shear Modulus, GPa 40
39
Shear Strength, MPa 220 to 360
270
Tensile Strength: Ultimate (UTS), MPa 340 to 650
400
Tensile Strength: Yield (Proof), MPa 120 to 420
160

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 930
900
Melting Onset (Solidus), °C 900
890
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
28
Electrical Conductivity: Equal Weight (Specific), % IACS 29
32

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 160
130
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 860
120
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12 to 22
14
Strength to Weight: Bending, points 13 to 21
15
Thermal Diffusivity, mm2/s 37
40
Thermal Shock Resistance, points 11 to 22
13

Alloy Composition

Copper (Cu), % 62 to 65
58 to 61
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0.25 to 0.7
0.25 to 0.7
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 33.8 to 37.8
37.5 to 41.8
Residuals, % 0
0 to 0.4