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Grade 27 Titanium vs. K94200 Alloy

Grade 27 titanium belongs to the titanium alloys classification, while K94200 alloy belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 27
5.0 to 32
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
54
Shear Strength, MPa 180
330 to 410
Tensile Strength: Ultimate (UTS), MPa 270
500 to 710
Tensile Strength: Yield (Proof), MPa 230
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1610
1440
Specific Heat Capacity, J/kg-K 540
500
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
3.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 240
250 to 1460
Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 35
21
Strength to Weight: Axial, points 17
17 to 24
Strength to Weight: Bending, points 21
17 to 22
Thermal Diffusivity, mm2/s 8.8
3.7
Thermal Shock Resistance, points 21
49 to 70