21 Years Factory Titanium alloy 6Al-2Sn-4Zr-2Mo UNS R54620 to Honduras Manufacturers
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HY Titanium 6-2-4-2 Material grades and equivalents
6Al-2Sn-4Zr-2Mo, 6-2-4-2 Titanium, 6-2-4-2, UNS R54620
Introduction
A near-alpha alloy, primarily used for high strength and toughness, with good creep resistance up to 1000°F. Forging and machining characteristics similar to those of Ti 6Al-4V. Applications include compressor components, hot airframe skin, and engine afterburner structures. The weld ability of Ti 6-2-4-2 is fair, using AMS 4952 weld wire. Several different treatments are available.
Chemistry Composition
|
|
Al |
Sn |
Zr |
Mo |
C |
N |
H |
O |
Si |
Fe |
Y |
Others, |
Others, |
Ti |
|
MIN |
5.5 |
1.8 |
3.6 |
1.8 |
- |
- |
- |
- |
0.06 |
- |
- |
- |
- |
- |
|
MAX |
6.5 |
2.2 |
4.4 |
2.2 |
0.05 |
0.05 |
0.015 |
0.12 |
0.1 |
0.25 |
0.005 |
0.1 |
0.3 |
Balance |
Features
- Machinability similar to austenitic stainless steels
- Easily welded if proper precautions are taken to prevent oxygen, nitrogen and hydrogen contaminations
- Long term stability for temperatures up to 800°F
Applications
- Compressor discs, blades
- Airframe structure, skin
- Engine afterburner components
- Hush kits
Physical Properties
Density: 0.160 lb/in3
Beta Transus: 1825±25°F
Thermal Conductivity: 4.00 Btu • hr/ft2 • hr°F
Coefficient of Thermal Expansion: 32-212°F 4.3 x10-6 in/in°F
Modulus of Elasticity: 16.5×106 psi
Mechanical Properties
Minimum Tensile Properties, AMS 4919, Duplex Annealed
|
Thickness, in |
0.025 ≤ 0.062 |
> 0.062 ≤ 1.000 |
> 1.000 ≤ 3.000 |
|
Tensile Strength, ksi |
135,000 |
135,000 |
135,000 |
|
0.2% offset Yield Strength, ksi |
125,000 |
125,000 |
125,000 |
|
Elongation, % |
8 |
10 |
10 |
| Regular shape for all kinds of alloys | |||
| Form | Specification | Supply Form | Others |
| Sheet | Thickness：0.40-4.75mm，General Width：1000、1219、1500mm | Whole Coil or piece of it | Cold Annealed，Surface 2B、2E |
| Plate | Thickness：4.76-60mm，Width：1500、2000、2500mm，Length：3000、6000、8000、8500mm（Under 10mm plate can be coiled） | Whole Coil or piece of it | Single hot rolling，Solid solution annealed state，Surface 1D |
| Belt | Thickness：0.10-3.0mm，Width：50-500mm | Whole Coil or Specified size | Cold Annealed，Surface 2B、2E |
| Bar & Rod | Rolled barΦ5-45mm，Length≤1500mm | Polished Bar（circle、Square） | Solution annealing,descaling |
| Forged barΦ26-245mm，Length≤4000mm | |||
| Weld tube | Outer diameterΦ4.76-135mm，Wall Thickness0.25-4.00mm，Length：≤35000 mm | Base on your requirement | |
| Seamless Tube | Outer diameterΦ3-114mm，Wall Thickness0.2-4.5mm | Base on your requirement | |
| Wire | Outer diameterΦ0.1-13mm | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
| Forged piece | discs,rings,squares,blocks,slabs | Base on your requirement | Steel, Alloy |
| Flangs | All kinds of Flangs | Base on your requirement | Steel, Alloy |
| Welding Material | Coil wire Φ0.025mm-1.6mm | Base on your requirement | Certificate of Origin：America, Sweden, Britain, Germany, Austria, Italy, France. |
| Straight WireΦ1.6mm-4.0mm | |||
| Welding rodΦ1.2mm-4.0mm | |||
| Tube | Elbow, three links, four links, different diameter size | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
| Explosive bonded laminate | Raw Sheet Thickness≥2mm | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
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http://www.msm.cam.ac.british isles/phase-trans/2002/creep.1.html
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