Haihao Group Ships ASTM A234 WPB Tees to India for Butt-Weld Piping Applications

Haihao Group has completed the production and shipment of a batch of ASTM A234 WPB tee fittings for an Indian customer. The order includes equal tee and reducing tees, all produced from ASTM A234 WPB carbon steel and specified with SCH STD wall thickness and butt-weld ends.

The fittings are manufactured in accordance with ASME B16.9, with the supplied sizes covering 200NB equal connection, 200NB × 100NB reducing connection and 200NB × 150NB reducing connection.

Although the products share the same material and schedule, they serve different connection requirements within a piping system. The equal tee maintains the same nominal bore through the header and branch, while the reducing tees provide a smaller branch connection from the 200NB main line.

Haihao Group ASME B16.9 ASTM A234 WPB equal tee and reducing tee

Product Details for the Indian Customer

The shipment consists of three specifications of ASTM A234 WPB tee fittings:

ASTM A234 WPB Material for Carbon Steel Tees

ASTM A234 WPB is a commonly specified wrought carbon steel material for pipe fittings used in pressure piping and related applications. It is frequently selected for butt-weld fittings where the fitting material needs to be compatible with carbon steel piping.

For this Indian order, the ASTM A234 WPB tee fittings use butt-weld ends. This allows the tees to be welded directly into the piping system after appropriate preparation and fit-up.

Material identification is an important part of international fitting supply. The material grade on the purchase order, product marking and quality documentation should remain consistent throughout production and final inspection.

For customers sourcing ASTM A234 WPB fittings, matching the material specification with the applicable dimensional standard is essential. ASTM A234 defines the fitting material requirements, while ASME B16.9 provides the dimensional requirements for factory-made wrought butt-welding fittings.

Equal Tee and Reducing Tee: What Is the Difference?

The first item in this shipment is a 200NB equal tee. Its header and branch have the same nominal size, making it suitable where the branch connection is required to match the main pipe size.

The other two items are ASTM A234 WPB reducing tees. Both have a 200NB main connection, but their branch sizes are different:

200NB × 100NB reducing tee

200NB × 150NB reducing tee

A reducing tee is used when the branch connection is smaller than the main pipe. This allows the piping system to create a branch connection without adding a separate reducer and branch assembly.

This distinction is important during procurement because a reducing tee is not interchangeable with an equal tee simply because the main pipe size is identical. The branch dimension must correspond to the downstream piping requirement.

ASME B16.9 Butt-Weld Configuration

All three fittings in this order are manufactured according to ASME B16.9 and use BW ends.

ASME B16.9 covers factory-made wrought butt-welding fittings and establishes dimensional requirements, tolerances, marking and related requirements for products such as tees and reducers.

For an ASME B16.9 tee, dimensional accuracy is important at all three connection ends. The fitting needs to match the connected pipe dimensions so that the fabricator can achieve proper alignment and weld preparation.

In this shipment, the three fittings are specified as SCH STD. Maintaining a consistent schedule across the order also simplifies matching the tees with the corresponding pipe sections.

Manufacturing and Inspection Points

For this shipment to India, production control focused on the key characteristics that affect installation and service performance.

The main inspection points for the ASTM A234 WPB tee include:

• Material grade verification
• Nominal size confirmation
• Branch size verification for reducing tees
• Wall thickness and SCH STD confirmation
• Overall dimensions
• End preparation for butt welding
• Visual inspection
• Product marking and identification
• Final dimensional inspection

The two reducing tees require particular attention to the branch dimensions. While their 200NB header size is the same, the 100NB and 150NB branch connections must be clearly differentiated during production, inspection and packing.

Proper identification also helps the customer’s receiving team quickly match the physical fittings with the purchase order and project drawings.

Haihao Group’s International Pipe Fitting Supply

Haihao Group manufactures and supplies butt-weld pipe fittings for international pipeline and industrial projects. The product range includes elbows, tees, reducers, caps and other fittings in carbon steel, stainless steel, alloy steel and other materials.

For an ASTM A234 WPB reducing tee or equal tee, customers can specify the header size, branch size, schedule, material grade, end connection and applicable standard. Haihao Group can review the requirements and manufacture the fitting according to the agreed technical specification.

Looking for ASTM A234 WPB tees for your next project? Send Haihao Group your size, schedule, material and standard requirements for a technical quotation.