With the addition of molybdenum, Alloy PK33 has an exceptional combination of high temperature strength, creep-resistant and ductility.
| Product form | Size range from | Size range to |
|---|---|---|
| Alloy PK33 round bar | 25 mm | 110 mm |
| Alloy PK33 sheet & plate | 0.91 mm | 3.25 mm |
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Sheet & Plate
Round Bar
| % | Ni | Cr | Co | Mo | Al | Ti | Fe | Si | Mn | Cu | C | Zr | S |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | - | 16 | 12 | 5 | 1.70 | 1.50 | - | - | - | - | - | - | - |
| Max | 54 | 20 | 16 | 9 | 2.50 | 3 | 1 | 0.50 | 0.50 | 0.20 | 0.070 | 0.060 | 0.0050 |
Alloy PK33 can be used in a variety of applications including:
Alloy PK33 is a superalloy which is highly resistant to thermal shock and thermal fatigue. It also offers superb weldability, meaning it is often used to combustion chambers, jet pipes and reheat systems for high performance gas turbine engines.
Alloy PK33 sheet fabrications are normally out into service after completion of the two-stage heat treatment process. This heat treatment is usually carried out in air.
Alloy PK33 is often used in high strength applications at elevated temperatures, such as in gas turbine hot sections or enclosures for industrial furnace hot sections.
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