ASTM A234 WP22 Equal Tee ASME B16.9 Alloy Steel Pipe Tee
ASTM A234 WP22 equal tee is a high-pressure alloy steel butt weld pipe fitting manufactured according to ASME B16.9 standards. It is designed to connect three pipes of the same diameter, allowing fluid distribution or collection in high-temperature and high-pressure piping systems.
WP22 alloy steel equal tees are widely used in oil & gas, petrochemical plants, thermal power stations, refineries, and boiler systems due to their excellent heat resistance, corrosion resistance, and mechanical strength.
What is ASTM A234 WP22 Equal Tee?
An ASTM A234 WP22 equal tee is a T-shaped alloy steel pipe fitting with three outlets of equal diameter. It is used to branch or combine fluid flow in industrial pipeline systems.
ASTM A234 WP22 is a chromium-molybdenum alloy steel material specially developed for elevated temperature service applications.
ASME B16.9 Equal Tee Standard
Our ASTM A234 WP22 equal tees are manufactured according to:
- ASME B16.9
- ASTM A234 WP22
- ASME B16.25
- MSS SP-75
All butt welding ends are prepared according to ASME B16.25 standards.
Chemical Composition of ASTM A234 WP22
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 1.90 – 2.60 |
| Molybdenum (Mo) | 0.87 – 1.13 |
| Carbon (C) | 0.05 – 0.15 |
| Manganese (Mn) | 0.30 – 0.60 |
| Silicon (Si) | 0.50 Max |
The chromium and molybdenum content provide excellent oxidation resistance and high-temperature strength.
Features of ASTM A234 WP22 Equal Tee
Excellent High Temperature Resistance
WP22 alloy steel tees are suitable for elevated temperature and high-pressure piping systems.
Superior Corrosion Resistance
The chromium-molybdenum alloy offers excellent resistance to oxidation and corrosion.
High Mechanical Strength
ASTM A234 WP22 equal tees maintain strength and stability under severe operating conditions.
Smooth Flow Distribution
Equal tees provide efficient branch flow distribution with reduced turbulence.
Long Service Life
WP22 alloy steel fittings are designed for long-term industrial service.
Available Size Range
| Size |
|---|
| 1/2” to 48” |
Wall Thickness:
- SCH10
- SCH20
- SCH40
- SCH80
- SCH160
- XXS
Custom sizes are available according to project requirements.
Types of Pipe Tees Available
We can manufacture:
- Equal Tee
- Reducing Tee
- Seamless Tee
- Welded Tee
- Alloy Steel Tee
- Butt Weld Tee
Manufacturing Standards
Our WP22 equal tees comply with:
- ASTM A234
- ASME B16.9
- ASME B16.25
- NACE MR0175 (Optional)
Surface Treatment
Available surface finishes include:
- Black Painting
- Anti-rust Oil
- Sand Blasting
- Varnish Coating
Inspection and Testing
All alloy steel tees can be supplied with:
- Hydrostatic Test
- Ultrasonic Test (UT)
- PMI Inspection
- Dimensional Inspection
- Hardness Test
- Third-Party Inspection
EN 10204 3.1 Mill Test Certificate is available upon request.
Applications of ASTM A234 WP22 Equal Tee
ASTM A234 WP22 equal tees are widely used in:
- Oil & Gas Pipelines
- Petrochemical Industry
- Refineries
- Thermal Power Plants
- Boiler Systems
- Steam Pipelines
- Chemical Processing Plants
ASTM A234 WP22 vs WP11
| Grade | Chromium Content | Typical Application |
|---|---|---|
| WP11 | 1.25% Cr | Medium temperature service |
| WP22 | 2.25% Cr | Higher temperature and pressure service |
WP22 provides better oxidation resistance and creep strength compared with WP11.
Advantages of ASME B16.9 Equal Tee
Efficient Branch Connection
Equal tees provide reliable pipeline branching for fluid distribution systems.
Easy Welding Installation
Butt weld ends allow secure and leak-proof installation.
Suitable for High Pressure Systems
WP22 alloy steel is designed for demanding industrial conditions.
Wide Industrial Compatibility
Compatible with alloy steel and high-temperature piping systems.
Packaging
Standard export seaworthy packing:
- Wooden cases
- Wooden pallets
- Fumigation-free packaging
- Customized packing available
FAQ
What is an equal tee?
An equal tee is a pipe fitting with three openings of the same diameter used for branch connections in piping systems.
What is ASTM A234 WP22 material?
ASTM A234 WP22 is a chromium-molybdenum alloy steel material used for high-temperature and high-pressure applications.
What standard covers equal tees?
ASME B16.9 is the standard for factory-made wrought butt welding fittings including equal tees.
Where are WP22 equal tees used?
WP22 equal tees are widely used in refineries, power plants, petrochemical industries, and steam piping systems.
Are seamless tees available?
Yes. We can supply both seamless and welded ASTM A234 WP22 equal tees according to customer specifications.
How to Order ASTM A234 WP22 Equal Tee?
Example:
ASTM A234 WP22 Equal Tee
8” × 8” × 8”
SCH80
ASME B16.9
Bevel End
Seamless
Quantity: 30 PCS

ASTM A235 WP22 Equal Tee ANSI B16.9

ASTM A235 WP22 Equal Tee
Related Products (Alloy Steel Piping System)
- ASTM A213 T22 Seamless tube
- ASTM A234 WP22 ELBOW
- ASTM A335 P22 Alloy Steel Pipes
- ASTM A182 F22 Weld neck Flanges