| Product Name: | Heat Exchanger Tube | Standard: | ASTM B622 |
|---|---|---|---|
| Material: | N06022 | Ends: | Plain Ends/ Beveled Ends |
| Type: | Seamless | Shape: | Round |
| Length: | Custom Cut Lengths | ||
| High Light: | ASTM B622 Nickel Alloy Steel Tube，ASTM B622 UNS N06022 Alloy Steel Tube， Heat Exchanger Tube，Condenser Tube | ||
ASTM B622 UNS N06022 Nickel Alloy Steel Tube
Overview
ASTM B622 is the standard specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube. UNS N06022 is the material grade designation for the specific alloy known as Hastelloy C-22.ASTM B622 encompasses the requirements for seamless and welded pipes and tubes made from nickel and nickel-cobalt alloys， including UNS N06022. These alloys are known for their excellent resistance to various corrosive environments， high-temperature strength， and overall versatility in a wide range of industries.The standard outlines specifications for dimensions， mechanical properties， chemical composition， manufacturing processes， and testing methods to ensure the quality and reliability of the alloy pipes and tubes.
Chemical Composition of ASTM B622 UNS N06022
| Grade | Ni | C | Co | W | Fe | Si | Mn | Cr | Mo | V | P | S | |
| N06022 | Min | 2.5 | 2.0 | 20.0 | 12.5 | ||||||||
| Max | Remainder | 0.015 | 2.5 | 0.08 | 0.5 | 0.35 | 0.02 | 0.02 |
Mechanical Properies of ASTM B622 UNS N06022
| Grade | Tensile Str Ksi(Mpa) | Yield Str Ksi(Mpa) | Elongation(%) |
| N06022 | ≥100(690) | ≥45(310) | ≥45 |
Pipe Schedules of ASTM B622
| Nominal Pipe Size，in. | OD，mm. | Nominal Wall Thickness | ||
| SCH 10，mm. | SCH 40，mm. | SCH 80，mm. | ||
| 1/4 | 13.72 | 1.65 | 2.24 | … |
| 3/8 | 17.14 | 1.65 | 2.31 | 3.20 |
| 1/2 | 21.34 | 2.11 | 2.77 | 3.73 |
| 3/4 | 26.67 | 2.11 | 2.87 | 3.91 |
| 1 | 33.40 | 2.77 | 3.38 | 4.55 |
| 2 | 60.32 | 2.77 | 3.91 | 5.54 |
| 3 | 88.90 | 3.05 | 5.49 | 7.62 |
Uses&Application
1>.Chemical Processing: Hastelloy C-22 is widely used in chemical processing industries， especially for handling aggressive media such as sulfuric acid， hydrochloric acid， phosphoric acid， acetic acid， and other corrosive chemicals.
2>.Petrochemical Processing: The alloy is utilized in petrochemical plants for equipment and components exposed to highly corrosive environments， including offshore platforms， reactors， heat exchangers， and piping systems.
3>.Pollution Control: ASTM B622 UNS N06022 is employed in exhaust gas desulfurization (FGD) systems， scrubbers， and other pollution control equipment， where it offers excellent resistance to sulfur compounds and acidic gases.
4>.Pharmaceutical and Biotechnology: Hastelloy C-22 is used in the pharmaceutical and biotechnology industries， particularly for reactors， vessels， and piping systems handling corrosive and high-purity media.
5>.Waste Treatment: The alloy finds applications in waste treatment facilities for handling corrosive waste streams， including acidic solutions， chlorinated compounds， and other aggressive substances.
6>.Pulp and Paper Processing: Hastelloy C-22 is employed in the pulp and paper industry for equipment exposed to harsh chemicals during the bleaching and pulping processes.
