Alloy Steel · Fittings · ASTM A234 WP22
ASTM A234 WP22 Fittings
In short: ASTM A234 WP22 fittings complete P22 steam and refinery piping, supplied in matching heat-treated condition.
- P22
- Designation
- 7.85
- density, g/cm³
- 3.1 / 3.2
- EN 10204 certificates
- 5
- P22 product forms
Why this combination
Why P22 in fittings
Elbows and tees in P22 lines must match the pipe's creep properties.
Weld with matching 2¼Cr-1Mo filler and apply PWHT as required.
Specification
How to specify ASTM A234 WP22
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 A234 WP22
- Butt-weld
- A234 WP22, ASME B16.9
Sizes and weights
ASTM A234 WP22 sizes, weighed at 7.85 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
P22 composition
- Density
- 7.85 g/cm³
| Element | Limit, % | Why it matters |
|---|---|---|
| C | 0.05 – 0.15 | |
| Mn | 0.30 – 0.60 | |
| P | 0.025 max | |
| S | 0.025 max | |
| Si | 0.50 max | |
| Cr | 1.90 – 2.60 | |
| Mo | 0.87 – 1.13 |
Limits per ASTM A335 (P22); other product forms and specifications differ slightly. Your order's specification and edition govern.
Questions
About ASTM A234 WP22
Which fittings match P22 pipe?
A234 WP22 butt-weld and A182 F22 forged fittings.
Are WP22 fittings stocked?
Common sizes; others to order.
From enquiry to dispatch
How a ASTM A234 WP22 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 ASTM A234 WP22?
Send size, quantity, specification and destination. We reply with availability, certificates and delivery.