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C28000 Muntz Metal vs. Grade 21 Titanium

C28000 Muntz Metal belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
140
Elongation at Break, % 10 to 45
9.0 to 17
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
51
Shear Strength, MPa 230 to 330
550 to 790
Tensile Strength: Ultimate (UTS), MPa 330 to 610
890 to 1340
Tensile Strength: Yield (Proof), MPa 150 to 370
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 120
310
Melting Completion (Liquidus), °C 900
1740
Melting Onset (Solidus), °C 900
1690
Specific Heat Capacity, J/kg-K 390
500
Thermal Conductivity, W/m-K 120
7.5
Thermal Expansion, µm/m-K 21
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
60
Density, g/cm3 8.0
5.4
Embodied Carbon, kg CO2/kg material 2.7
32
Embodied Energy, MJ/kg 46
490
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
110 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
2760 to 5010
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
32
Strength to Weight: Axial, points 11 to 21
46 to 69
Strength to Weight: Bending, points 13 to 20
38 to 50
Thermal Diffusivity, mm2/s 40
2.8
Thermal Shock Resistance, points 11 to 20
66 to 100

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 59 to 63
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.070
0 to 0.4
Lead (Pb), % 0 to 0.3
0
Molybdenum (Mo), % 0
14 to 16
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0
0.15 to 0.25
Titanium (Ti), % 0
76 to 81.2
Zinc (Zn), % 36.3 to 41
0
Residuals, % 0
0 to 0.4

Comparable Variants