ASTM B622 Nickel Based Superalloy UNS N06002 Hastelloy X Seamless Tube

Product Specification

ASTM B622 Nickel-Based Superalloy UNS N06002 hastelloy X seamless tube | Pipe

• Nickel Based corrosion resistance Alloy

Hastelloy X tubes in various components due to their excellent high-temperature strength, oxidation resistance, and corrosion resistance. Some specific areas within gas turbine engines where Hastelloy X tubes are utilized include:

1. Combustion Chambers: Hastelloy X tubes are used in the combustion chambers of gas turbine engines where they are exposed to high temperatures, combustion gases, and thermal cycling. The high-temperature strength and resistance to oxidation make Hastelloy X tubes ideal for withstanding the harsh conditions within the combustion chamber.

2. Afterburners: In afterburner systems of gas turbine engines, where additional thrust is generated by igniting fuel in the exhaust stream, Hastelloy X tubes are employed due to their ability to withstand high temperatures and thermal stresses. The corrosion resistance of Hastelloy X is also beneficial in this demanding environment.

3. Exhaust Systems: Hastelloy X tubes are used in the exhaust systems of gas turbine engines to channel hot gases away from the engine and into the atmosphere. The high-temperature strength and resistance to oxidation of Hastelloy X ensure that the tubes can withstand the high exhaust temperatures without degrading.

4. Heat Exchangers: In some gas turbine engine designs, Hastelloy X tubes are also used in heat exchangers to transfer heat between different fluid streams. The corrosion resistance and thermal stability of Hastelloy X make it suitable for use in heat exchanger applications within gas turbine engines.

Overall, Hastelloy X tubes play a critical role in ensuring the reliability and performance of gas turbine engines by providing the necessary strength and resistance to high temperatures and harsh operating conditions. Their use in key components helps enhance the efficiency and durability of gas turbine engines in aerospace, power generation, and other industrial applications.

1. Chemical Composition Requirements of Hastelloy X:

• Ni (Nickel): Balance
• Cr (Chromium): 20.5-23.0%
• Fe (Iron): 17.0-20.0%
• Mo (Molybdenum): 8.0-10.0%
• Co (Cobalt): 0.5-2.5%
• W (Tungsten): 0.20-1.00%
• C (Carbon): 0.05-0.15%
• Mn (Manganese): ≤1.00%
• Si (Silicon): ≤1.00%
• P (Phosphorus): ≤0.040%
• S (Sulfur): ≤0.030%

2. Typical Physical Properties of Hastelloy X:

• Density: 8.22 g/cm³
• Melting Range: 1260-1355°C
• Specific Heat: 486 J/kg·K
• Thermal Conductivity: 9.1 W/m·K
• Electrical Resistivity: 1180 µΩ·m

3. Product Forms and Standards for Hastelloy X:

• Rod: ASTM B572
• Plate, Sheet, and Strip: ASTM B435, B906
• Seamless Pipe and Tube: ASTM B622
• Welded Pipe: ASTM B619, B775
• Welded Tube: ASTM B626, B751
• Welding Fitting: ASTM B366
• Billet and Bar for Reforging: ASTM B472

Hastelloy X is commonly used in high-temperature applications such as gas turbine engines, industrial furnace components, and structural components for aerospace and power generation industries. Its unique combination of properties makes it suitable for environments where high temperatures, oxidation, and corrosion resistance are critical requirements.

• Chemical Composition Requirements of Hastelloy X

  The Chemical Composition of Hastelloy X, %
  Ni	balance
  Cr	20.5-23.0
  Fe	17.0-20.0
  Mo	8.0-10.0
  Co	0.5-2.5
  W	0.20-1.00
  C	0.05-0.15
  Mn	≤1.00
  Si	≤1.00
  P	≤0.040
  S	≤0.030

   

• Typical Physical Properties

  Density	Melting Range	Specific Heat	Thermal Conductivity	Electrical Resistivity
  g/cm3	°C	J/kg.k	W/m.k	µΩ·m
  8.22	1260-1355	486	9.1	1180

   

• Product Forms and Standards

   

  Product Form	Standard
  Rod	ASTM B572
  Plate, sheet and strip	ASTM B435, B906
  Seamless pipe and tube	ASTM B622
  Welded pipe	ASTM B619, B775
  Welded tube	ASTM B626, B751
  Welding fitting	ASTM B366
  Billet and bar for reforging	ASTM B472