FITTINGS
Buttweld fittings are a specific type of stainless steel fitting used for joining pipes together by welding. These fitting are designed to create a permanent and leak-proof connection between pipes with the help of welding techniques. Buttweld fittings are commonly used in various industries where a high-quality and secure connection is essential.
Buttweld fittings are manufactured in accordance with various standards, such as ASME B16.9, ASME B16.11. They come in different sizes and schedules to match the requirements of the pipeline. Common materials used for buttweld fittings include stainless steel, carbon steel, alloy steel, and other high-performance alloys.
The welding process used for joining buttweld fittings to pipes is typically either Tungsten Inert Gas (TIG) welding or Shielded Metal Arc Welding (SMAW), depending on the specific application and material being used. Buttweld fittings offer a robust and reliable connection, making them suitable for various industries, including oil and gas, petrochemical, chemical, power generation, and more.
Types of Butt Weld Fittings
Buttweld Elbows: Buttweld elbows are used to change the direction of the pipeline. They come in different angles, such as 45 degrees, 90 degrees, and 180 degrees.
Buttweld Tees: Buttweld tees have a T-shaped design and are used to create a branch in the pipeline. They can be equal tees (all three ends are of the same size) or reducing tees (one end is smaller than the other two).
Buttweld Reducers: Buttweld reducers are used to connect pipes of different diameters, allowing for a smooth flow transition.
Buttweld Caps: Buttweld caps are used to close the end of a pipe, preventing the flow of fluids and providing protection.
Buttweld Crosses: Buttweld crosses have a plus (+) shape and are used to connect four pipes at right angles to each other.
Buttweld Stub Ends: Buttweld stub ends are used in combination with lap joint flanges to create a detachable connection for easy maintenance and disassembly.
Forged fittings are a type of pipe fittings made through the forging process. In this manufacturing method, the fittings are shaped by applying pressure to heated metal, which results in a stronger and more durable product compared to fittings made through casting or machining processes. Forged fittings are commonly used in high-pressure piping systems and critical applications where strength and integrity are crucial.
Materials for Forged Fittings:
Forged fittings are commonly made from materials like stainless steel, carbon steel, alloy steel, and other high-performance alloys. The material selection depends on the application, temperature, and pressure requirements of the piping system.
Types of Forged Fittings
Forged Elbows: Forged elbows are used to change the direction of the pipeline. They come in various angles, such as 45 degrees, 90 degrees, and 180 degrees.
Forged Couplings: Forged couplings are used to connect two pipes of the same diameter together.
Forged Unions: Forged unions allow for easy disconnection of pipes, making maintenance and repairs more convenient.
Forged Tees: Forged tees have a T-shaped design and are used to create a branch in the pipeline. They can be equal tees (all three ends are of the same size) or reducing tees (one end is smaller than the other two).
Forged Caps: Forged caps are used to close the end of a pipe, preventing the flow of fluids.
Forged Crosses: Forged crosses have a plus (+) shape and are used to connect four pipes at right angles to each other.
Pressure Ratings:
Forged fittings are available in various pressure ratings, such as 2000 lbs, 3000 lbs, 6000 lbs, and 9000 lbs, indicating the maximum pressure they can withstand.
Applications:
Forged fittings are widely used in industries such as oil and gas, petrochemical, chemical, power generation, and other applications where high pressure and temperature conditions are involved. Their robust construction and excellent mechanical properties make them suitable for critical and demanding environments.
Due to their reliability and strength, forged fittings are preferred in applications where safety and performance are of utmost importance. They offer a secure and leak-free connection, making them an essential component in various piping systems.
| Duplex & Super Duplex | UNS S32750, UNS S32760, UNS S31803 |
| Hastelloy Alloys | ASTM B366 Hastelloy B2, Hastelloy C276, Hastelloy C22 |
| Incoloy Alloys | ASTM B366 Alloy 20, Alloy 800H/800HT, Alloy 825, Alloy A286 |
| Inconel Alloys | ASTM B366 Alloy 600, Alloy 601, Alloy 625, Alloy 718, Alloy 725 |
| Monel Alloys | ASTM B366 Monel 400, Monel K500 |
| Copper Brass | CuNi 90:10 & 70:30 |
| Stainless Steel | ASTM A403, WP304, 304L, 316, 316L, 301, 201, 202, 409L, 409M, 441, 430, 439, 436, JT, 303 |
| Carbon Steel | ASTM A234 WPB, A420 WPL3, A420 WPL6, MSS-SP-75 WPHY 42/46/52 |
| Alloy Steel | ASTM A234 WP1, WP5, WP9, WP11, WP22 |
| Size | 1/4″NB to 24″NB(Seamless) 4″NB to 72″NB (Welded) 1/2″NB to 3″NB, (Socket-weld & Threaded) |
| Class | 3000#, 6000#, 9000# |