Hastelloy C22 seamless tubes are a crucial component of the Hastelloy C22 alloy family, known for their exceptional corrosion resistance and versatility across a wide range of aggressive environments. These tubes are manufactured using a seamless process, ensuring a continuous and uniform structure without any welded joints, which can be susceptible to corrosion and stress cracking. The seamless construction enhances the tubes' reliability and durability, making them an ideal choice for applications demanding high resistance to corrosive chemicals, acids, and other hostile media, such as in chemical processing, petrochemical, and pharmaceutical industries.
Hastelloy C22 seamless tubes possess outstanding resistance to both oxidizing and reducing environments, making them suitable for handling challenging conditions involving acids, chlorides, and other corrosive agents. The alloy's unique composition, comprising nickel, chromium, molybdenum, and tungsten, offers superior localized corrosion resistance, particularly in pitting and crevice corrosion scenarios. The seamless manufacturing process eliminates potential points of weakness, minimizing the risk of leaks and structural failures, thus contributing to the integrity and safety of industrial operations.
In addition to their remarkable corrosion resistance, Hastelloy C22 seamless tubes exhibit favorable mechanical properties, including high tensile strength, ductility, and formability. These characteristics enable the tubes to be shaped, bent, and welded while maintaining their structural integrity. The combination of exceptional corrosion resistance and reliable mechanical attributes makes Hastelloy C22 seamless tubes a preferred choice for industries seeking long-lasting and dependable solutions to transport fluids and gases in highly demanding and corrosive environments, ensuring optimal performance and longevity.
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Specification:
Sizes (Seamless): 1/2" - 24" (Nominal Pipe Size)
Wall Thickness: Sch 10, Sch 20, Sch 30, Sch 40, Sch 60, Sch 80, Sch 100, Sch 120, Sch 160, XXS
Length: Single Random, Double Random, Cut Length
Hastelloy C22 (UNS N06022)
Standards: ASTM B622, ASTM B619, ASTM B775, ASTM B516, ASTM B626
Typesh6: Seamless
End Connections: Plain End, Beveled End, Threaded, Socket Weld
Surface Finish: Annealed and Pickled, Polished, Bright Annealed
Certification: EN 10204 3.1, EN 10204 3.2
Testing: Hydrostatic Test, Non-Destructive Testing (Eddy Current, Ultrasonic, etc.), PMI (Positive Material Identification), Intergranular Corrosion Test
Chemical Properties of Hastelloy C22 seamless tubes
| Chemical Element | Nickel (Ni) | Chromium (Cr) | Molybdenum (Mo) | Tungsten (W) | Iron (Fe) | Manganese (Mn) | Cobalt (Co) | Vanadium (V) | Silicon (Si) | Carbon (C) | Phosphorus (P) | Sulfur (S) |
| Composition Range (%) | 56.0 - 62.0 | 20.0 - 22.5 | 12.5 - 14.5 | 2.5 - 3.5 | Max 2.0 | Max 0.50 | Max 2.5 | Max 0.35 | Max 0.08 | Max 0.010 | Max 0.025 | Max 0.020 |
Mechanical Properties of Hastelloy C22 seamless tubes
| Property | Density | Melting Point | Tensile Strength | Yield Strength | Elongation | Hardness (Rockwell C) | Modulus of Elasticity | Poisson's Ratio | Thermal Conductivity | Electrical Resistivity |
| Value | 8.69 g/cm³ | 1350 - 1400°C (2460 - 2550°F) | 100 ksi (690 MPa) min. | 45 ksi (310 MPa) min. | 40% min. | HRB 89 max. | 29.8 x 10³ ksi (205 GPa) | 0.29 | 70.2 Btu/(ft·hr·°F) (0-100°C) | 807 Ω·cm (20°C) |
Advantages of Hastelloy C22 seamless tubes:
- Good general corrosion resistance and high strength
- Good sulfide stress corrosion resistance
- Resistance to chloride pitting and crevice corrosion
- Higher resistance to chloride stress corrosion cracking
- Easy to weld and conform
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- Customer focused approach
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Applications Industry
| Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers |
| Heat Exchangers | Gas Processing |
| Condensers | Specialty Chemicals |
| Pulp and Paper Industry | Pharmaceuticals |
We supply Pipes, Tubes & Fittings Worldwide.
Exporting Steel Pipes & Tubes to over 60 countries including Afghanistan, Albania, Andorra, Angloa, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, etc.