Nickel Alloys · Fittings · ASTM B366 WPHC22
Hastelloy C22 Fittings
In short: Hastelloy C22 butt-weld fittings to ASTM B366 WPHC22 complete C22 piping systems.
- 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 fittings
Matching fittings keep the system resistant to the same oxidising conditions as the pipe.
C22-type filler is used for welds.
Specification
How to specify Hastelloy C22 fittings
Butt-weld ½" – 48" (larger fabricated to order) in schedules matching the pipe; socket-weld and threaded ⅛" – 4" in Class 2000, 3000, 6000 and 9000
- Specification
- ASTM B366 WPHC22
- UNS
- N06022
- EN / W.Nr.
- 2.4602
- Butt-weld
- B366 WPHC22, ASME B16.9
Sizes and weights
Hastelloy C22 fittings sizes, weighed at 8.69 g/cm³
Other sizes on request. For general fittings information, such as manufacturing routes and end finishes, see the fittings guide.
Butt-weld ½" – 48" (larger fabricated to order) in schedules matching the pipe; socket-weld and threaded ⅛" – 4" in Class 2000, 3000, 6000 and 9000
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 fittings
What is WPHC22?
The B366 fitting designation for alloy C22.
Are C22 fittings stocked?
Common sizes; others to order.
From enquiry to dispatch
How a Hastelloy C22 fittings 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 fittings?
Send size, quantity, specification and destination. We reply with availability, certificates and delivery.