Steel Tees (Butt Weld) equilateral and transitional EN 10253 DIN 2615-1

Buy Steel Tees (Butt Weld) in Europe | EN 10253, DIN 2615

UTMK supplies seamless and welded steel tees complying with EN 10253, DIN 2615 (GOST 17376) standards for branching industrial pipelines. We offer fittings made of carbon and alloy steel grades P235GH (St20), 13Mn6, P355N for systems with working pressure up to 16 MPa. Our warehouse network in Poland, Bulgaria, and Ukraine ensures rapid order fulfillment for projects across Europe.

A Steel Tee is a butt-weld fitting used to connect branch lines to the main pipeline for splitting or mixing fluid flows (oil, gas, water, steam). According to standards, these components are designed for operation in a wide temperature range: from -70°C (for low-temperature steels) up to +450°C (for carbon grades).

Based on design and application, tees are divided into two main types:

• Equal Tees: Used when the branch diameter is the same as the main pipe diameter.
• Reducing Tees: Used for connecting pipes of a smaller diameter to the main line.

Depending on the manufacturing method, we distinguish:

• Seamless (Hydroformed): Manufactured by hydraulic extrusion from a pipe section. Characterized by superior strength suitable for high pressure.
• Welded: Produced from steel sheets or pipe sections using welding technologies.

Installation into the system is performed by butt welding. This ensures the leak-tightness and structural integrity required for high-pressure systems. Threaded connections are generally avoided in critical infrastructure due to higher accident risks under load.

We offer fittings in various steel grades to match your operational conditions:

• Carbon Structural Steel: P235GH (St20), St10.
• Alloy Structural Steel: 13Mn6 (09G2S) – ideal for cold climates.
• Low-Alloy Steel: P355N (17G1S) – for main pipelines.

To ensure supply chain resilience and technical compliance, UTMK offers a comprehensive ISO-certified piping solution. Optimize your network flow by combining tees with a Pipe Reducer and Butt Weld Elbow. For high-pressure infrastructure, integrate our Seamless Boiler Tube, or utilize Welded Water & Gas Pipe (WGP) for general distribution. To mitigate corrosion risks in aggressive environments, we recommend upgrading to the Stainless Butt Weld Tee (Equal/Reducing).

Where to Order Steel Tees in Europe

UTMK team is ready to assist with selecting high-quality steel fittings and organizing delivery. We handle both wholesale and retail orders. Our warehouses in Poland (Warsaw, Kraków, Poznań, Łódź), Bulgaria (Sofia, Varna, Plovdiv), and Ukraine are stocked and ready for dispatch. Contact us via the website or phone – substantial discounts are available for bulk buyers!