Type: | Alloy Bar |
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Standard: | ASTM, AISI, GB, JIS, DIN |
Grade: | Hastelloy |
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Titanium 6-2-4-2 is a near-alpha titanium alloy with a good combination of tensile strength, creep strength, and toughness. It is generally intended for high temperature use in environments up to 1000 °F (538 °C).
Engine applications, afterburner cans, hot airframe components
Titanium: Balance
Aluminum: 5.50-6.50
Tin: 1.80-2.20
Zirconium: 3.60-4.40
Molybdenum: 1.80-2.20
Silicon: 0.06-0.13
Iron: 0.25 max
Oxygen: 0.15 max
Carbon: 0.08 max
Nitrogen: 0.010-0.0125
Residuals each 0.10 max, total 0.40 max
Name |
Code |
Description 1 | Description 2 | ASTM | AMS | UNS |
Titanium 6-2-4-2 | TI624 | Composition similar to R56420 | Timetal 6-2-4-2 | 4919 |
Density: 0.164 lbs/in3, 4.54 g/cm3
Electrical Resistivity: 72.8 - 74.8 µ½•in, 1.85 - 1.90 µ½•m
Specific Heat Capacity: 0.120 BTU/lb-°F, 0.502 J/g-°F
Thermal Conductivity: BTU-in/hr-ft2-°F (W/m-K):
48.0 (6.92)
Mean Coefficient of Thermal Expansion: µin/in-°F (µm/m-°C): 32.0 - 212 °F (0 - 100 °C): 4.28 (7.70)
Magnetic Permeability Nonmagnetic Non-magnetic
Modulus of Elasticity: ksi (MPa)
16.5 x 103 (11.4 x 103) in tension
Melting Point: 2890 - 3120 °F (1588 - 1716 °C)