Butt welding tees are pipe fittings used to connect pipelines of different sizes and flow directions. They have three openings and are designed to distribute fluid or gas through the system. Here are some specific details about butt welding tees:
Materials: Butt welding tees can be made from a variety of materials, including carbon steel, stainless steel, alloy steel, and other metals. The material selection depends on the intended application, including the temperature, pressure, and corrosive environment.
Sizes: Butt welding tees are available in various sizes ranging from ½ inch to 72 inches in diameter. The most common sizes used in industrial piping systems are equal tee and reducing tee.
Wall thickness: The wall thickness of butt welding tees varies depending on the diameter and material of the tee. The wall thickness is typically equal to the thickness of the pipe from which it is made.
Degrees of branch: Butt welding tees have three openings with different degrees of branch, including equal tee and reducing tee. The equal tee has three openings of the same diameter, while the reducing tee has one opening of a different size from the other two openings.
Standards: Butt welding tees are manufactured to various standards, including ASTM, ASME, MSS, and API. Compliance with these standards ensures that butt welding tees meet certain performance and quality requirements.
End connections: Butt welding tees have three ends that are designed to be welded to pipes or other fittings. The ends can be either beveled or plain, depending on the welding requirements and the specific application.
Overall, butt welding tees are a critical component in piping systems, and their selection must be based on the specific requirements of the application.
The following table is a brief introduction for Butt Welding TEE. The specific requirements about the Butt Welding Fittings, welcome to contact and talk more !
| Parameter | Description |
| Size | 1/2" - 48" or other specified |
| Schedule | STD, XS, XXS, or other specified |
| Shape | Equal Tee, Reducing Tee, Barred Tee , Y Tee, other specified |
| Standards | ASME B16.9, ASTM A234, ASTM A403, or other specified |
| Material | Carbon steel, stainless steel, alloy steel, or other specified |
| End Type | Butt welding, socket welding, threaded, or other specified |
| Heat Treatment | Normalizing, quenching and tempering, or other specified |
| Surface Treatment | Sandblasting, painting, other coating as required |
| Inspection | Non-destructive testing, hydrostatic testing, or other specified |
Butt welding fittings are manufactured to meet various standards set by organizations such as ASTM, ASME, MSS, and API. The following are some common standards used for butt welding fittings:
| SME/ ANSI Standard Pipe Fittings | ANSI B16.9-2012-Factory Made Wrought Steel Butt welding Fittings |
| ANSI B16.11-2005-Forged Fittings,Socket Welding and Threaded | |
| ANSI B16.25-2012-Butt welding Ends | |
| ANSI B16.28-1994 Wrought Steel Butt Welding Short Radius Elbows And Returns | |
| ANSI B16.49-2012 Factory Made Wrought Steel Butt welding Induction Bends for Transportation and Distribution Systems | |
| ANSI B36.19M 2004 Stainless steel pipe | |
| ANSI B36.10M 2004 Welded and Seamless Wrought Steel Pipe | |
| MSS SP Pipe Fittings | MSS SP-75-2004 Specification for High Test,Wrought,Butt Welding Fittings |
| MSS SP-25-1998 Marking System for Valves,Fittings,Flanges and Unions | |
| MSS SP-43-2008-Wrought and Fabricated Butt Welding Fittings for Low Pressure,Corrosion Resistant Applications | |
| EN Standard Pipe Fittings | BS EN 10253-1 Butt Welding Pipe Fittings Part 1:Wrought Carbon Steel for General Use and Without Specific Inspection Requirements |
| BS EN 10253-2 Butt welding pipe fittings part 2: Non alloy ferritic alloy steels with specific inspection requirements | |
| BS EN10253-3 Butt welding pipe fittings Part 3: Wrought austenitic and austenitic ferritic(duplex)stainless steels without specific inspection requirements | |
| BS EN 10253-4 Butt welding pipe fittings Part 4:Wrought austenitic and austenitic-ferritic(duplex)stainless steels with specific inspection requirements | |
| BS EN 10241 2000 Steel threaded pipe fittings | |
| DIN Standard Pipe Fittings | DIN 2605 part1 1991 Steel butt welding pipe fittings elbows and bends with reduced pressure factor |
| DIN 2605 part2 1995 Steel butt welding pipe fittings elbows and bends for use at full service pressure | |
| DIN 2609 1991 steel butt welding pipe fittings technical delivery conditions | |
| DIN 2615 part1 1992 steel butt welding pipe fittings tees with reduced pressure factor | |
| DIN 2615 part2 1992 steel butt welding pipe fittings Tees for use at full service pressure | |
| DIN 2616 part1 1991 steel butt welding pipe fittings eccentric reducers with reduced pressure factor | |
| DIN 2616 part2 1991 steel butt welding pipe fittings reducers for use at full service pressure | |
| DIN2617 1991 steel butt welding pipe fittings caps | |
| DIN 2982 screwed steel pipe fittings parallel nipples,taper nipples | |
| DIN 2986 threaded steel pipe fittings sockets | |
| DIN 28011 torispherical heads | |
| GOST Standard Pipe Fittings | GOST 17375-2001 carbon and low alloy steel butt welding fittings.Sharply curved bends type 3D(R=1,5 DN).Design |
| GOST 17376-2001 carbon and low alloy steel butt welding fittings.Tees.Design | |
| GOST 17378-2001 carbon and low alloy steel butt welding fittings reducers design | |
| GOST 17379-2001 carbon and low alloy steel butt welding fittings Elliptical caps Design | |
| GOST 17380-2001 carbon and low alloy steel butt welding fittings general specifications | |
| GOST 30753-2001 carbon and low alloy steel butt weldings fittings sharply curved bends type 2D(R=DN)design | |
| JIS Standard Pipe Fittings | JIS B2311-2009 steel butt welding pipe fittings for ordinary use |
| JIS B2312-1997 Steel butt welding pipe fittings | |
| JIS B2313-2009 steel plate butt welding pipe fittings | |
| JIS B2316-2007 steel socket welding pipe fittings | |
| ISO Standard | ISO 3419 Non-alloy and alloy steel butt welding fittings |
| ISO 5251 stainless steel butt welding fittings |
The choice of surface finish depends on the specific application and the requirements of the piping system.
Mainly surface finish for Butt Welding Fittings: Painting, Anti-corrosion coating, Thermal insulation coating, Galvanizing,......
Plywood cases, pallets, or as client required
