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Short Description:
Hastelloy X is a nickel base alloy that possesses exceptional strength and oxidation resistance up to 2200°F. It has also been found to be exceptionally resistant to stress-corrosion cracking in petrochemical applications. The alloy has excellent forming and welding characteristics.
Product Description
Hastelloy X is one of the most widely used nickel base superalloys for gas turbine engine components. This solid solution strengthened grade has good strength and excellent oxidation resistance to 2000°F. X alloy exhibits good ductility after prolonged exposure at temperatures of 1200, 1400, 1600°F (650, 760 and 870°C) for 16,000 hours.Alloy X has excellent resistance to reducing and carburizing atmospheres, making it suitable for furnace components. Due to its high molybdenum content, Alloy X may be subject to catastrophic oxidation at 2200°F.
Alloy X is welded by all common methods such as gas tungsten arc, gas metal arc, shielded metal arc, electron beam and resistance welding. Use matching filler metal, keep interpass temperature low. After severe forming, fabrications may be annealed 2150°F, 15 minutes per 1/8″ of thickness, rapid air cool.
Hastelloy X Characteristic：
- Good high temperature strength
- Oxidation resistance through 2000°F
- Carburization resistant
IHastelloy X Chemical Composition
| % | Cr | Mo | Co | W | Al | Ti | B | C | Fe | Mn | Si | P | S | Cu | Ni |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 20.5 | 8 | 0.5 | 0.2 | - | - | - | 0.05 | 17 | - | - | - | - | - | - |
| Max | 23 | 10 | 2.5 | 1 | 0.5 | 0.15 | 0.01 | 0.15 | 20 | 1 | 1 | 0.04 | 0.03 | 0.5 | Balance |
Hastelloy X Physical Properties
| Density | Melting range |
|---|---|
| 8.221 g/cm³ | 1260-1354°C |
Hastelloy X Mechanical Properties
| Mechanical &Physical Properties | 21C° | 538°C | 649°C | 760°C | 871°C | 982°C |
|---|---|---|---|---|---|---|
| Ultimate Tensile Strength /MPa | 765.3 | 613.6 | 572.2 | 462 | 310.3 | - |
| 0.2% Yield Strength /MPa | 379.2 | 248.2 | 241.3 | 234.4 | 193 | - |
| Elongation % | 44 | 49 | 54 | 53 | 58 | - |
| Coefficient of Thermal Expansion /mm/m°C x 10-6 | - | 15.1 | 15.5 | 15.8 | 16.2 | 16.6 |
| Thermal Conductivity /kcal/(hr.m.°C) | - | 16.8 | 19 | 20.7 | 22.6 | 24.4 |
| Modulus of Elasticity/ x105 MPa | 2.07 | 1.79 | 1.72 | 1.59 | 1.52 | 1.38 |
- Bars & Rods & Foring Ring /Flanges
- Sheet & Plate
- Strip & Coil
- Welding Wire &Spring wire
- Seamless Tube & Welded Pipe
»Round Bar & Square Bar & Hexagon Bar
● Diameter : φ8～φ300mm Length:10mm-6000mm
● Hot forging, Hot Rolling, Cold Drawing
● Bright Surface, Polished Surface, Black Surface
»Tube & Pipe:Seamless Tube& Welded Pipe
● Cold Drawing Seamless Pipe： φ1.0～φ220mm
● Hot Extrusion pipe: φ50～φ250mm
● Others : U Blend Tube and Elbow
»Hot Rolled Plate & Cold Rolled Sheet
● Cold Rolling Sheet Thickness: ≦2.0mm Width:≦1500m
● Hot rolling Plate Thickness: ≧4.0mm Width: ≦2500m
»Strip & Tape Ribbon
● Thickness: ≧ 0.01mm Width: 15mm-300mm
● Cold rolling BA Strip, Hard & Soft Condition
»Straight Length Wire & Spool Wire
● Welding Wire: φ 0.1mm～6.0mm Cut length Rod: φ1.0～φ8.0mm
● Package : 5-25kg/Spool or Box
Hastelloy X ApplicationsI
- Aircraft
- furnace and chemical process components
- honeycombs
- gas turbine combustion section components