ASTM B622 UNS N06022 Pipe HASTELLOY C22 Tube Manufacturer
HASTELLOY® C-22® alloy (UNS N06022) is one of the well-known and well-proven nickel-chromium-molybdenum materials, the chief attributes of which are resistance to both oxidizing and non-oxidizing chemicals, and protection from pitting, crevice attack, and stress corrosion cracking.Our N06022 pipes meet global industry standards including ASTM B622, ASME SB622, NACE MR0175, and customer-specific requirements.
Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube
Chemical Composition of N06022 (%)
| Element | Content (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.0 – 22.5 |
| Molybdenum (Mo) | 12.5 – 14.5 |
| Tungsten (W) | 2.5 – 3.5 |
| Iron (Fe) | 2.0 – 6.0 |
| Cobalt (Co) | ≤ 2.5 |
| Manganese (Mn) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.08 |
| Carbon (C) | ≤ 0.015 |
| Phosphorus (P) | ≤ 0.02 |
| Sulfur (S) | ≤ 0.02 |
Mechanical Properties of N06022 (ASTM B622 Standard)
| Property | Value |
|---|---|
| Tensile Strength (min) | 690 MPa (100 ksi) |
| Yield Strength, 0.2% Offset (min) | 283 MPa (41 ksi) |
| Elongation (min) | 40 % |
| Hardness (HRB) | ≤ 90 |
N06022 pipe Available Sizes & Dimensions
- Outer Diameter (OD): 6 mm to 219 mm
- Wall Thickness (WT): 0.5 mm to 20 mm
- Length: Up to 12 meters (custom cut-to-length available)
- Forms: Seamless Pipe, Seamless Tube, Heat Exchanger Tubes, Boiler Tubes, Instrumentation Tubes
N06022 Standards & Specifications
- Standard: ASTM B622 / ASME SB622
- Equivalent: ASTM B619, B626 (welded forms)
- Grade: UNS N06022 | Hastelloy C22 | Alloy C-22 | W.Nr. 2.4602
- Testing: Hydrostatic Test, Eddy Current Test, PMI, IGC, HIC (on request)
- Certification: EN 10204 3.1 / 3.2, NACE MR0175, ISO 9001
Applications of Hastelloy C22 Pipes & Tubes
- Chemical Processing Industry – Vessels, reactors, and pipelines handling mixed acids and aggressive chemicals
- Pollution Control Equipment – Scrubbers, stack liners, and ducting systems
- Marine & Offshore – Seawater handling systems and desalination plants
- Pulp & Paper Industry – Bleaching equipment exposed to oxidizing agents
- Pharmaceutical & Food Industry – Where resistance to contamination and purity is required

Why Choose our UNS N06022 / Hastelloy C22 Tubes?
- Specialized Manufacturer in high-performance nickel alloys
- Certified Quality: Supplied with EN 10204 3.1 / 3.2 certification, NACE MR0175 compliance
- Comprehensive Testing: PMI test, Hydro test, Eddy current test, IGC test, and HIC test on request
- Wide Size Range: From 6 mm OD to 219 mm OD in various thicknesses
- Global Export Supply: Serving clients in Europe, Middle East, North America, and Asia
Download ASTM B622 UNS N06022 Pipe Specification
Related Products
- Hastelloy C22 Fittings (ASTM B366 WPNC22)
- ASTM B622 Hastelloy C276 Seamless Pipe
- ASTM B464 Welded C22 Pipe
- Alloy 625 / Alloy 825 Pipes
- Nickel 200 / 201 Pipes


