| Customization: | Available |
|---|---|
| Application: | Aviation, Electronics, Industrial, Medical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Waspaloy (also known as Alloy 685) is a nickel base, age hardenable superalloy with excellent high-temperature strength and good corrosion resistance by combustion products, notably to oxidation, at service temperatures of up to 1200°F (650°C) for critical rotating applications, and up to 1600°F (870°C) for less demanding applications. At temperatures over 1600°F (870°C), intergranular oxidation can occur.
The corrosion resistance is very good even after numerous cycles of elevated temperature exposure, or constant exposure to temperatures of up to 1900°F (1038°C). For the best possible corrosion resistance, solution-treated material is recommended. Waspaloy is also known to behave well in atmospheres in gas turbine engine service and salt spray environments.
Due to these properties, Nickel Waspaloy finds use in gas turbine engine components and aircraft jet engines, such as compressor disks, rotor disks, shafts, spacers, seals, rings, and casings. It also finds use in fasteners and other engine hardware in airframe assemblies and missile systems. Waspaloy is produced by vacuum induction melting and vacuum arc refining (VIM/VAR), or by vacuum induction melting and electroslag refining (VIM/ESR).
Tech Steel & Materials offers Nickel Waspaloy in 8 sub-type specifications and in multiple shapes/forms:
Chemical Composition of Nickel Waspaloy
| Element | min | max |
| Carbon | 0.02 | 0.10 |
| Manganese | - | 0.10 |
| Silicon | - | 0.15 |
| Phosphorus | - | 0.015 |
| Sulfur | - | 0.015 |
| Chromium | 18.00 | 21.00 |
| Cobalt | 12.00 | 15.00 |
| Molybdenum | 3.50 | 5.00 |
| Titanium | 2.75 | 3.25 |
| Aluminum | 1.20 | 1.60 |
| Zirconium | 0.02 | 0.08 |
| Boron | 0.003 | 0.010 |
| Iron | - | 2.00 |
| Copper | - | 0.10 |
| Lead | - | 0.0005 (5 ppm) |
| Bismuth | - | 0.00003 (0.3 ppm) |
| Selenium | - | 0.0003 (3 ppm) |
| Silver | - | 0.0005 (5 ppm) |
| Nickel* | remainder | |
*Not exclusively to the element mentioned, but that one predominates other elements that are used only in minimal quantities.
Fabrication and Working Instructions for Waspaloy
Waspaloy can be hot-worked in the temperature range of 2140-1800°F (1170-980°C), and cold-worked by hydroforming, drawing, spinning, bending, and rolling. That said, this nickel base alloy is difficult to machine and special instructions must be followed.
As for joining, Waspaloy can be readily-welded only in carefully controlled circumstances with argon-arc methods using the AMS 5828 composition filler metal. That said, welds should be avoided in high-stress locations, due to the fact that the high strength of the welds is lower than a heat-treated material. More precisely, Waspaloy may show "hot short" tendency and sensitivity to strain cracking. That's why, it is highly recommended that welding is done on a material that is only solution treated, and then re-solution treated together with the weld.
Physical Constants of Waspaloy (Alloy 685)
| Density | 0.296 lb/in3 |
| 8.19 g/cm3 | |
| Melting Range | 2425-2475°F (1330-1360°C) |
| Coefficient of Thermal Expansion | at 70-200°F (21-93°C) - 6.8 x 10-6 in/in/°F |
| at 70-1000°F (21-583°C) - 7.7 x 10-6 in/in/°F | |
| at 70-2000°F (21-1093°C) - 10.4 x 10-6 in/in/°F | |
| Electrical Resistivity | Solution treated at 1975°F (1080°C) and cooled for 4 hours - 1.24 microhm•m (0.38 microhm•ft) |
| Fully age hardened at 1550°F (845°C), and cooled for 24 hours + reheat to 760°C (1400°F), and cooled for 16 hours - 1.20 microhm•m (0.37 microhm•ft) | |
| Modulus of Elasticity (Dynamic) | at 70°F (21°C) - 30.3 x 103 ksi (211 GPa) |
| at 1000°F (538°C) - 26.7 x 103 ksi (184 GPa) | |
| at 1600°F (871°C) - 22.7 x 103 ksi (157 GPa) | |
| Magnetic Permeability (200 oersteds) | Solution treated + aged - 1.004 |
| Property | Value |
| Tensile Strength | 175 ksi |
| Yield Strength at 0.2% Offset | 120 ksi |
| Elongation in 4D | 15% |
| Reduction of Area | 18% |
Nickel Waspaloy is heat treated in a three-step sequence. There are two different treatments available, both giving different properties to the alloy:
For parts that require high-temperature creep and stress-rupture properties:
For parts that require optimum tensile properties at room temperature and high-temperature environments:
Scale may be formed on the alloy during heat treatment in oxidizing atmospheres. However, this doesn't affect the properties of the alloy and can be removed by acid pickling or mechanically.
Specifications
| Nickel Sheet | |
| Thickness | 0.3mm - 6.0mm |
| Width | 1000mm - 2200mm |
| Length | Produce as requirement |
| Nickel Plate | |
| Thickness | 3.0mm - 300mm |
| Width | 1000mm - 3000mm |
| Length | Produce as requirement |
| Nickel Strip / Nickel Foil | |
| Thickness | 0.02mm - 16.0mm |
| Width | 5mm - 900mm |
| Nickel Coil | |
| Thickness | 0.3mm - 16.0mm |
| Width | 1000mm - 3000mm |
| Nickel Pipe | |
| Outside Diameter | 6.0mm - 1219mm |
| Thickness | 0.5mm - 100mm |
| Nickel Capillary Pipe | |
| Outside Diameter | 0.5mm - 6.0mm |
| Thickness | 0.05mm - 2.0mm |
| Nickel Bar | |
| Diameter | Ф4mm - Ф600mm |
| Nickel Wire Rod | |
| Diameter | Ф0.01mm - Ф6.0mm |
| Inconel |
Inconel 722, Inconel 725, Inconel X-750, Inconel 625, Inconel 686, Inconel 690, Inconel 702, Inconel 706, Inconel 713C, Inconel 600, Inconel 601, Inconel 602CA, Inconel 617, Inconel 718.
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| Incoloy | Incoloy 945, Incoloy A-286, Incoloy 901, Incoloy 903, Incoloy 907, Incoloy 909, Incoloy 925, Incoloy 926, Incoloy 330, Incoloy 800, Incoloy 800H, Incoloy 800HT, Incoloy 801, Incoloy 840, Incoloy 20, Incoloy 205, Incoloy 208 |
| Hastelloy | Hastelloy C 276, Hastelloy G, Hastelloy W, Hastelloy X, Hastelloy G-30, Hastelloy G-35, Hastelloy G3, Hastelloy N, Hastelloy S, B-2, Hastelloy B-3, Hastelloy C2000, Hastelloy C22 |
| Haynes | Haynes 75, Haynes 244, Haynes 25, Haynes 263, Haynes 282, Haynes 556, Haynes 188, Haynes 230, Haynes 233, Haynes 242 |
| Monel | Monel 400, Monel K-500, Monel R405, Monel 401, Monel 404, Monel 405. |
| Nimonic | Nimonic 91, Nimonic C263, Nimonic PE11, Nimonic PE16, Nimonic PK33, Nimonic 80A, Nimonic 96, Nimonic 90, Nimonic 901, Nimonic 105, Nimonic 115 |
| Other Nickel | Waspaloy, Multimet N155, Mumetal 80, Rene 41, Kovar, Maraging 250, Maraging 300, Maraging 350, MP159, MP35N, Alloy 46, Alloy 48, Alloy 52, Alloy 42, Alloy 45, Cobalt alloy 6b, Custom 455, Invar 36, Invar 42, Nickel 200, Nickel 201 |
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