Nickel Alloys · Flanges · ASTM B564 N06022
Hastelloy C22 Flanges
In short: Hastelloy C22 flanges forged to ASTM B564 N06022 are used on C22 process piping in pharmaceutical and chemical plants.
- N06022
- UNS number
- 8.69
- density, g/cm³
- 3.1 / 3.2
- EN 10204 certificates
- 6
- Hastelloy C22 product forms
Why this combination
Why Hastelloy C22 in flanges
Flange faces resist crevice attack from oxidising chloride streams.
ASME B16.5 weld-neck and blind types are most common.
Specification
How to specify Hastelloy C22 flanges
NPS ½" – 24" (B16.5), 26" – 60" (B16.47 Series A/B); Class 150, 300, 600, 900, 1500, 2500; EN 1092-1 PN 6 – PN 100 on request
- Specification
- ASTM B564 N06022
- UNS
- N06022
- EN / W.Nr.
- 2.4602
- Dimensions
- ASME B16.5 / B16.47
Sizes and weights
Hastelloy C22 flanges sizes, weighed at 8.69 g/cm³
Other sizes on request. For general flanges information, such as manufacturing routes and end finishes, see the flanges guide.
NPS ½" – 24" (B16.5), 26" – 60" (B16.47 Series A/B); Class 150, 300, 600, 900, 1500, 2500; EN 1092-1 PN 6 – PN 100 on request
Chemistry
Hastelloy C22 composition
- UNS
- N06022
- EN / W.Nr.
- 2.4602 · NiCr21Mo14W
- Density
- 8.69 g/cm³
- PREN
- ≈ 65 – 70
| Element | Limit, % | Why it matters |
|---|---|---|
| Ni | Balance | |
| Cr | 20.0 – 22.5 | |
| Mo | 12.5 – 14.5 | |
| W | 2.5 – 3.5 | |
| Fe | 2.0 – 6.0 | |
| Co | 2.5 max | |
| C | 0.015 max | |
| Si | 0.08 max | |
| Mn | 0.50 max | |
| V | 0.35 max |
Limits per ASTM B575; other product forms and specifications differ slightly. Your order's specification and edition govern.
Questions
About Hastelloy C22 flanges
What spec covers C22 flanges?
ASTM B564 N06022.
Which classes?
Class 150–1500 typically.
From enquiry to dispatch
How a Hastelloy C22 flanges order runs
- 01 EnquiryGrade, specification, size, quantity
- 02 ReviewChecked against your standard
- 03 InspectPMI, dimensions, TPI if required
- 04 CertifyEN 10204 3.1 / 3.2, heat traceable
- 05 ShipPacked and documented for the destination
Need Hastelloy C22 flanges?
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