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Grade 28 Titanium vs. K94200 Alloy

Grade 28 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 28 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, % 11 to 17
5.0 to 32
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
54
Shear Strength, MPa 420 to 590
330 to 410
Tensile Strength: Ultimate (UTS), MPa 690 to 980
500 to 710
Tensile Strength: Yield (Proof), MPa 540 to 810
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1590
1440
Specific Heat Capacity, J/kg-K 550
500
Thermal Conductivity, W/m-K 8.3
15
Thermal Expansion, µm/m-K 9.9
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 3100
250 to 1460
Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 35
21
Strength to Weight: Axial, points 43 to 61
17 to 24
Strength to Weight: Bending, points 39 to 49
17 to 22
Thermal Diffusivity, mm2/s 3.4
3.7
Thermal Shock Resistance, points 47 to 66
49 to 70

Comparable Variants