Industrial Piping And Corrosion Protection
Astm a234 wp22 tees are butt-weld pipe fittings made from alloy steel grade wp22, designed for branching pipelines in high-temperature and high-pressure environments, ensuring pipeline corrosion protection in oil, gas, petrochemical, and boiler pipeline protection systems.
Industrial Piping And Corrosion Protection
Astm a234 wp22 tees are butt-weld pipe fittings made from alloy steel grade wp22, designed for branching pipelines in high-temperature and high-pressure environments, ensuring pipeline corrosion protection in oil, gas, petrochemical, and boiler pipeline protection systems. compliant with asme/ansi b16.9 and astm a234 standards, these tees are available as equal, reducing, or lateral tees, offering versatile flow management.
ASTM A234 WP22 Tee is a T-shaped pipe fitting crafted from low-alloy steel, designed for industrial piping systems to connect three pipes, enabling a 90-degree branch for fluid or gas flow. Compliant with ASTM A234 WP22 standards, this fitting excels in high-temperature and high-pressure applications, offering robust pipeline corrosion protection and durability, making it ideal for boiler pipeline protection in oil and gas, petrochemical, and power generation industries as of 12:21 AM PDT, September 01, 2025. Its butt-weld design ensures leak-proof, high-strength connections.
The ASTM A234 WP22 Tee is manufactured using seamless or welded processes, utilizing low-alloy steel (2.25% Cr, 1% Mo) for enhanced creep resistance and high-temperature performance up to 600°C. Available in sizes from 1/2” to 48” (DN 15–DN 1200), in equal or reducing configurations, with wall thicknesses such as SCH 40, SCH 80, or XXS, it meets diverse industrial piping needs. Rigorous testing, including tensile, hydrostatic, and non-destructive tests (radiography or ultrasonic), ensures compliance with ASME B16.9 and MSS SP-75 standards.
Engineered for pipeline corrosion protection, the ASTM A234 WP22 Tee offers moderate oxidation resistance due to its chromium content and can be coated with epoxy, galvanizing, or 3LPE for enhanced durability in harsh environments like offshore pipelines or chemical plants. Its robust construction withstands wear from abrasive materials and high-pressure conditions, ensuring reliability for boiler pipeline protection. The fitting supports welding methods (SMAW, GTAW, or GMAW) with compatible low-alloy fillers (e.g., E9018-B3), requiring preheating (150–200°C) and post-weld heat treatment (675–760°C) to prevent cracking.
Compared to carbon steel tees (e.g., ASTM A234 WPB) or stainless steel tees (e.g., ASTM A403 TP347H, as discussed in your previous queries), the ASTM A234 WP22 Tee is optimized for high-temperature applications, offering superior creep resistance. Unlike Piggable Tee fittings (with internal bars for pigging), it is not designed for pigging unless modified. Available in equal or reducing configurations, it complements Equal Tee, Reducing Tee, and Lateral Tee designs for versatile industrial piping solutions. Its durability makes it suitable for power generation boilers, petrochemical refineries, and high-temperature pipelines.
The ASTM A234 WP22 Tee addresses critical challenges like high-temperature creep, corrosion, and connection reliability in demanding industrial systems. Its robust design and material properties ensure long-term performance, safety, and efficiency, making it a top choice for engineers seeking high-temperature industrial piping and boiler pipeline protection solutions.
| Feature | ASTM A234 WP22 Tee | ASTM A234 WPB Tee | ASTM A403 TP347H Tee |
|---|---|---|---|
| Material Type | Low-Alloy Steel | Carbon Steel | Stainless Steel |
| Temperature Range | High (up to 600°C) | Moderate (up to 650°C) | High (up to 870°C) |
| Corrosion Protection | Moderate (oxidation-resistant) | Good (with coatings) | Excellent (inherent) |
| Pigging Compatibility | Poor (no bars) | Poor (no bars) | Poor (no bars) |
| Applications | High-Temp, Petrochemical, Boilers | Oil/Gas, Petrochemical, Boilers | Oil/Gas, Food Processing, Boilers |
| Tensile Strength (MPa) | 415 (min) | 415 (min) | 515 (min) |
| Yield Strength (MPa) | 205 (min) | 240 (min) | 205 (min) |
| Key Advantage | High-temp creep resistance | Cost-effective connections | Superior corrosion resistance |
A curated list of long-tail keywords for ASME/ANSI B16.9 lateral tees, covering specifications, applications, and material properties, presented in a two-column layout.
Note: ASME/ANSI B16.9 lateral tees are designed for smooth 45-degree branching and corrosion resistance. For detailed specifications, refer to ASME B16.9, ASTM A234, or contact a certified supplier.
Allows for efficient splitting or combining of fluid flows in complex piping layouts.
Designed to maintain the strength and integrity of the piping system.
Available to suit various pipe diameters, pressure ratings, and fluid compatibility.
Smooth internal contours minimize turbulence and pressure loss.
Different connection types offer flexibility in installation.
Manufactured from high-quality materials for long service life.
Description: All three openings are equal in diameter.
Description: One opening is smaller than the others.
Description: Internal bars to prevent pig entry.
Description: Branch connection at an angle (e.g., 45°).
Description: Curved branch for clean-out plug.
Description: Four equal-sized female openings.
Low-Alloy Steel Pipe Fittings for High-Temperature Service
| Element | Content Range (%) |
|---|---|
| Carbon (C) | 0.05–0.15 |
| Manganese (Mn) | 0.30–0.60 |
| Phosphorus (P) | ≤0.040 |
| Sulfur (S) | ≤0.040 |
| Silicon (Si) | ≤0.50 |
| Chromium (Cr) | 1.90–2.60 |
| Molybdenum (Mo) | 0.87–1.13 |
Notes:
- Chromium and molybdenum enhance high-temperature strength and creep resistance.
- Low carbon content improves weldability and minimizes weld imperfections.
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Range | ~1410–1460°C (~2570–2660°F) |
| Thermal Expansion Coefficient (20–100°C) | 13.0 μm/m·°C |
| Thermal Conductivity (100°C) | ~40 W/m·K |
| Specific Heat Capacity (20°C) | ~460 J/kg·K |
| Property | WP22 CL1 | WP22 CL3 |
|---|---|---|
| Tensile Strength, min | 60 ksi [415 MPa] | 75 ksi [520 MPa] |
| Yield Strength, min | 30 ksi [205 MPa] | 45 ksi [310 MPa] |
| Elongation (in 50 mm), min | ||
| - Standard round specimen (4D) | 22% (Longitudinal), 14% (Transverse) | 22% (Longitudinal), 14% (Transverse) |
| - Rectangular specimen, wall thickness ≥ 5/16 in. [7.94 mm] | 30% (Longitudinal), 20% (Transverse) | 30% (Longitudinal), 20% (Transverse) |
| - Rectangular specimen, wall thickness < 5/16 in. [7.94 mm] | Calculated* | Calculated* |
Notes:
- *For wall thickness less than 5/16 in. [7.94 mm], deduct 1.5% (longitudinal) and 1.0% (transverse) for each 1/32 in. [0.79 mm] decrease in wall thickness. Elongation equations: Longitudinal: E = 48t + 15.00; Transverse: E = 32t + 10.00, where E = elongation in 2 in. or [50 mm], %, and t = thickness, in. [mm].
| Wall Thickness, in. [mm] | Longitudinal Elongation (%) | Transverse Elongation (%) |
|---|---|---|
| 5/16 [7.94] | 30.0 | 20.0 |
| 9/32 [7.14] | 28.5 | 19.0 |
| 1/4 [6.35] | 27.0 | 18.0 |
| 7/32 [5.56] | 25.5 | - |
| 3/16 [4.76] | 24.0 | - |
Install pipe tee
The basic application of the ASTM A234 WP22 Tee is a connector that can be used in the middle of two pipes to allow them to join together.
Understanding the various pipe tee types allows engineers and contractors to make more informed decisions based on flow requirements, space limits, and material compatibility. Newzel Industries offers a diverse range of pipe tees in several grades, including SS 304, 316, and 321, all fabricated with accuracy to meet your industrial requirements. Contact us today for an estimate or technical assistance in determining the optimal pipe tee type for your project.
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