BW Butt Weld Cross
The BW butt-welded cross is a full-penetration groove-welded four-way flow-dividing pipe fitting, with standard welding grooves at the ports, capable of seamless butt-joint fusion welding with the pipe body; after welding, the overall strength is consistent with that of the pipe material, making it a core connecting fitting for high-pressure process pipe networks. It is mainly used for four-way medium flow dividing, merging, and ring distribution in industrial pipelines, and can replace multiple sets of spliced pipe fittings, greatly reducing weld joints and leakage hazards. The one-piece seamless structure has excellent pressure resistance, temperature resistance, and vibration resistance, and is suitable for the transportation of steam, oil and gas, flammable and explosive, and corrosive high-risk media. It is widely used in main process pipelines, long-distance pipeline networks, and core pipeline systems in plant areas, ensuring long-term continuous and stable operation of high-pressure complex pipe networks, and is the safest and most reliable cross connection solution for industrial pressure pipelines.
Inquiry
- The core advantages of BW butt welding cross are seamless one-piece forming, beveled butt welding, full penetration connection, and high overall strength.
- No weak points in the pipeline after welding
- Its earthquake resistance, pressure resistance, and fatigue resistance far exceed those of threaded, grooved, and spliced crosses. One-piece forging hot pressing process.
- The pipe wall is uniform and dense, with no sand holes, air pores, or splicing welds.
- It fundamentally reduces the risk of high-pressure leakage. The inner cavity is smooth and streamlined, with balanced flow resistance and no slag accumulation dead corners.
Detailed Introduction
BW butt-welded cross, namely beveled butt-welded steel cross, is a key pipe fitting used for four-way medium splitting or merging in industrial piping systems. Its ports are prefabricated into standard welding bevels, and after butt-jointing with pipes, full-penetration welding is performed, making the weld strength close to that of the pipe body and forming a rigid connection with high strength and low leakage. The products mainly implement standards such as ASME B16.9, GB/T12459, GB/T13401, SH/T3408, etc., covering a nominal diameter range from DN15 to DN1200, with wall thickness grades from SCH10 to SCH160 and XXS thickened. The forming processes include hot-pressing pushing, hydraulic bulging, integral forging, and large-plate welding, and can provide structures such as equal-diameter, reducing, eccentric reducing, and 45° oblique cross. The products are widely used in continuous operation pipelines for high-temperature and high-pressure, flammable and explosive media in petroleum refining, long-distance natural gas transmission, thermal power generation, coal chemical industry, etc. Before leaving the factory, they undergo 100% non-destructive testing to ensure safety and reliability under high-pressure working conditions.
- Full-penetration bevel welding, weld strength close to the pipe body, excellent earthquake resistance, pressure resistance, and temperature change resistance
- Integrally formed structure, no splicing welds, fundamentally reducing the risk of high-pressure leakage
- Implements mainstream standards such as ASME B16.9, GB/T12459, etc., nominal diameter DN15-DN1200, wall thickness SCH10-XXS
- Supports multiple structures such as equal-diameter, reducing, eccentric, and oblique cross, meeting complex pipeline layout requirements
- 100% non-destructive testing before leaving the factory, ensuring safe operation under high-pressure working conditions
- Flexible minimum order quantity, sufficient stock for conventional specifications, short customization cycle for non-standard products
| Product Name | BW Butt Weld Cross |
| Category | Contact us to confirm |
| Standard | ASME B16.9, GB/T12459, GB/T13401, SH/T3408; nominal diameter: DN15-DN1200; wall thickness grade: SCH10-SCH160, XXS ultra-high-pressure thickened; structure type: equal-diameter, reducing, eccentric, oblique cross; connection method: BW bevel butt welding; forming process: hot-pressed seamless, hydraulic bulging, integral forging, 100% non-destructive testing; welding bevel: standard ASME B16.25 bevel process; working temperature: carbon steel -20℃~425℃, stainless steel -196℃~600℃; suitable media: steam, oil and gas, gas, acid-base corrosion, flammable and explosive industrial fluids. All dimensions, wall thicknesses, and bevel angles strictly |
| Customization | Our factory possesses full-dimensional high-end non-standard customization capabilities for BW butt-welded crosses, and can customize ultra-large diameter, ultra-high-pressure thickened, arbitrary reducing ratio, eccentric structure, and special-angle oblique crosses. We support precision groove optimization, internal cavity polishing for low flow resistance treatment, and high-pressure reinforced thickened structure customization, suitable for high-risk precision process piping networks. We can perform sandblasting and rust removal, blackening, hot-dip galvanizing, and acid-alkali resistant anti-corrosion coating surface treatments. We can reverse-customize exclusive butt-welded crosses according to overseas project drawings, old equipment dimensions, and special process parameters. We support laser marking, batch coding, and LOGO OEM customization, and can produce low-temperature steel, duplex steel, and nickel-based alloy high-end materials, suitable for various ultra-highly stringent industrial piping supporting scenarios. |
| MOQ | Our factory's BW butt-welded crosses adopt a flexible foreign trade minimum order mode. The MOQ for conventional standard seamless butt-welded cross specifications is as low as 1 piece, which can meet the needs of engineering trial samples, high-pressure piping network emergency repair replacement parts, equipment maintenance replacement, and small trial orders. Commonly used carbon steel and stainless steel conventional diameter and conventional wall thickness styles on the market support scattered purchasing, mixed batches of multiple specifications, and combined order shipment, with no mandatory minimum order threshold. Large batch |
| Lead Time | Conventional national standard and American standard general-purpose BW butt-welded crosses are kept in massive inventory. Hot-selling equal-diameter and reducing specifications are shipped extremely quickly within 24 hours, quickly responding to urgent high-pressure engineering orders, piping network emergency repairs, and modification supplementary order needs. Standard batch conventional specification orders have a production lead time of 3-7 working days, with stable production capacity and controllable quality. Non-standard reducing ratio, thickened reinforcement, and oblique cross special structure orders have a lead time of 7 |
| Packaging | Our factory's BW butt-welded crosses adopt foreign trade industrial-grade thickened protective packaging, with special protection for precision groove end faces, strictly preventing groove impact, deformation, and rust. All welding ports are equipped with hard plastic protective caps and plugs to protect groove precision and pipe end roundness. Product surfaces are sprayed with anti-rust oil for anti-corrosion treatment, and each piece is individually wrapped and isolated with bubble film to avoid transportation friction scratches and oxidation rust. Conventional specifications are packed in reinforced export cartons, while large-diameter and bulk goods are packed on fumigated solid wood pallets, integrally reinforced with steel straps, suitable for long-distance bumpy ocean shipping. The outer packaging clearly marks model, specification, wall thickness, material, standard, batch, and export shipping marks. We support neutral packaging, LOGO OEM, and exclusive shipping mark customization, fully complying with export commodity inspection, customs clearance, and overseas warehousing standards. |
| Reference Price | Inquiry |
Applications
- Petroleum refining and chemical process main pipelines, used for the splitting and merging of high-temperature and high-pressure oil and gas
- Natural gas high-pressure long-distance transmission pipelines, serving as annular distribution nodes to ensure pipeline network stability
- Thermal power plant steam and heat systems, adapting to high-temperature steam and temperature changes
- Coal chemical high-pressure reaction piping networks, transporting flammable and explosive media, requiring high sealing performance
- Energy equipment annular pressure-stabilizing pipeline, used for pressure balance and medium distribution
Overview
BW butt-welded cross is a steel cross pipe fitting manufactured using the beveled butt welding process. The ends are pre-formed into standard welding bevels, and after butt-jointing with the pipeline, full-penetration welding is performed, making the weld strength close to that of the pipe body and forming a high-strength, low-leakage rigid pipeline node. The product mainly complies with ASME B16.9, GB/T12459, GB/T13401, and SH/T3408 standards. The nominal diameter range is DN15-DN1200, and the wall thickness grades are SCH10-SCH160 and XXS extra-heavy. The forming processes include hot-pressing push forming, hydraulic bulging, integral forging, and large plate welding fabrication, and it can provide various structures such as equal-diameter, reducing, eccentric reducing, and 45° lateral cross. The product is suitable for continuously operating industrial pipelines conveying high-temperature, high-pressure, flammable, and explosive media. Before leaving the factory, it undergoes 100% non-destructive testing to ensure safety and reliability under high-pressure working conditions.
Key Features
The core advantages of the BW butt-welded cross lie in seamless integral forming and full-penetration beveled butt-welded connection. After welding, the pipeline has no weak nodes, and its earthquake resistance, pressure resistance, and fatigue resistance far exceed those of threaded, grooved, or spliced crosses. The integral forging and hot-pressing process makes the pipe wall uniform and dense, with no sand holes or air pores, reducing the risk of high-pressure leakage from the root. The inner cavity is smooth and streamlined, with balanced flow resistance and no slag accumulation dead corners, ensuring stable medium transportation. A single pipe fitting integrates a four-way flow distribution function, simplifying pipeline layout, reducing construction procedures, and lowering overall costs. The full range of standard sizes is precise, with strong adaptability, sufficient stock, and short lead times for non-standard customization.
Applications
The BW butt-welded cross is mainly used in industrial core pipeline scenarios involving high temperature, high pressure, high-risk media, and continuous operation, and is a designated special pipe fitting for pressure pipelines. It is widely used in main process pipelines for petroleum refining, high-pressure long-distance natural gas transmission pipelines, steam and thermal systems of thermal power plants, high-pressure reaction pipelines in coal chemical engineering, energy equipment annular pressure-stabilizing pipelines, high-pressure process pipelines for wastewater treatment, pressure pipelines for ships and offshore engineering, etc. It is suitable for harsh working conditions with high vibration, large temperature differences, strong corrosion, and flammable and explosive media. It is not suitable for ordinary low-pressure civil pipelines. Whether for newly built high-end industrial equipment, upgrade and renovation of old pipeline networks, or overseas heavy industry project construction, it can be stably adapted.
Specifications
Executive standards: ASME B16.9, GB/T12459, GB/T13401, SH/T3408. Nominal diameter: DN15-DN1200. Wall thickness grades: SCH10-SCH160, XXS ultra-high-pressure extra-heavy. Structural types: equal-diameter, reducing, eccentric, lateral cross. Connection method: BW beveled butt welding. Forming processes: hot-pressed seamless, hydraulic bulging, integral forging, large plate welding fabrication. Welding bevel: standard ASME B16.25 bevel process. Working temperature: carbon steel -20℃~425℃, stainless steel -196℃~600℃. Applicable media: steam, oil and gas, fuel gas, acid-base corrosive, flammable and explosive industrial fluids. All dimensions, wall thicknesses, and bevel angles strictly comply with standards, and 100% non-destructive testing is carried out before leaving the factory.
Purchase & Delivery
Our factory adopts a flexible foreign trade minimum order model for BW butt-welded crosses. The MOQ for conventional standard specifications is as low as 1 piece, which can meet the needs of engineering samples, emergency repair replacement parts, and small trial orders. Common carbon steel and stainless steel conventional diameters and wall thickness styles support loose-piece purchasing, mixed batches of multiple specifications, and combined shipment, with no mandatory minimum order threshold. Conventional specifications are kept in regular stock, and popular equal-diameter and reducing specifications are shipped extremely quickly within 24 hours; standard batch order production lead time is 3-7 working days; non-standard customized order lead time is 7-15 working days (depending on complexity). Packaging uses foreign trade industrial-grade thickened protection, with hard plastic end caps added to the beveled ends, surface anti-rust treatment, and each piece individually wrapped in bubble film. Large-diameter and batch goods are packed on fumigated solid wood pallets and reinforced with steel straps, suitable for ocean shipping. Neutral packaging, LOGO private labeling, and exclusive shipping mark customization are supported.
Service & Support
We provide exclusive after-sales service for foreign trade high-pressure pipe fittings. All BW butt-welded crosses undergo triple strict quality inspection before leaving the factory: bevel verification, precise dimension measurement, and non-destructive testing, to prevent products with bevel damage, uneven wall thickness, or structural defects from being shipped. If customers find quality defects, wrong specifications, dimensional deviations, or transportation damage after receiving the goods, we support free replacement, return or exchange, or re-production, and bear the corresponding logistics losses. We provide free high-pressure pipeline network selection guidance, welding installation technical solutions, process Q&A, and a full set of dimensional drawings. We support long-term customer inventory custody, partial shipments, and replenishment on demand. Under normal working conditions, long-term warranty is provided, and for non-human-caused damage, full after-sales rights protection is available, with lifetime follow-up order service guarantee.
FAQ
What are the advantages of the BW butt-welded cross?
BW butt-welded cross adopts seamless one-piece forming and beveled butt-welded full-penetration connection. After welding, the overall strength is high, with excellent seismic, compressive, and fatigue resistance, effectively reducing the risk of high-pressure leakage, and it is suitable for high-temperature, high-pressure, and high-risk industrial pipelines.
What is the difference between BW butt-welded cross and threaded or grooved cross?
BW butt-welded cross is a welded fixed connection, and its strength and sealing performance far exceed quick-install connection methods such as threaded or grooved connections. It is mainly used for high-pressure and high-risk main pipelines, while threaded or grooved crosses are mostly used in low-pressure or non-critical applications.
Does the BW butt-welded cross come with a standard bevel?
Yes, the entire series comes standard with ASME B16.25 standard welding bevels, allowing direct butt welding without secondary machining.
Is high-pressure thickened customization supported?
Yes. We can produce SCH160 and XXS ultra-high-pressure thickened models, suitable for extremely demanding working conditions.
Are the export certificates complete?
We can provide a full set of formal export qualifications, including 3.1/3.2 material certificates, CE, ISO, etc., and the specifics can be confirmed according to project requirements.
Submit Inquiry
Please fill in the following information, and we will contact you as soon as possible to provide product solutions or quotes based on your needs.