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C28500 Muntz Metal vs. C36000 Brass

Both C28500 Muntz Metal and C36000 brass are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 29 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 C28500 Muntz Metal and the bottom bar is C36000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 20
5.8 to 23
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
39
Shear Strength, MPa 320
210 to 310
Tensile Strength: Ultimate (UTS), MPa 520
330 to 530
Tensile Strength: Yield (Proof), MPa 380
140 to 260

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 110
120
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
26
Electrical Conductivity: Equal Weight (Specific), % IACS 33
29

Otherwise Unclassified Properties

Base Metal Price, % relative 22
23
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
25 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 700
89 to 340
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 18
11 to 18
Strength to Weight: Bending, points 18
13 to 18
Thermal Diffusivity, mm2/s 33
37
Thermal Shock Resistance, points 17
11 to 18

Alloy Composition

Copper (Cu), % 57 to 59
60 to 63
Iron (Fe), % 0 to 0.35
0 to 0.35
Lead (Pb), % 0 to 0.25
2.5 to 3.7
Zinc (Zn), % 39.5 to 43
32.5 to 37.5
Residuals, % 0
0 to 0.5