Buttweld Fittings

Buttweld fittings are critical components used in piping systems to connect, change direction, or manage the flow of fluids under high pressure and temperature. These fittings are welded directly to the pipe, creating a strong, leak-proof joint ideal for long-term service. Available in various shapes—such as elbows, tees, reducers, and caps—and in multiple materials and sizes, buttweld fittings are commonly used in oil & gas, petrochemical, power generation, and water treatment industries. Their seamless design and smooth interior finish ensure optimal flow and reduced turbulence.

Buttweld fittings ensure a smooth flow path inside the pipe with minimal turbulence, reducing pressure drop and preventing erosion. Their seamless integration with the pipeline through welding provides superior strength, reducing the risk of leaks or failure under mechanical or thermal stress. Available in a wide variety of shapes, sizes, and materials, these fittings are an indispensable part of any heavy-duty industrial piping network.

• High Quality
• Certified
• Cost-Effective
• Industrial Grade
• Ready Stock
• Corrosion-Resistant

Grades

Material	Grade	Standard
Carbon Steel	ASTM A234 WPB	ASME B16.9 / B16.28
Stainless Steel	304 / 304L	ASTM A403
Stainless Steel	316 / 316L	ASTM A403
Alloy Steel	ASTM A234 WP5 / WP9 / WP22	ASME B16.9
Duplex Steel	UNS S31803 / S32205	ASTM A815
Nickel Alloys	Inconel 625, Monel 400	ASTM B366

Specifications

Specification	Description
Size Range	½” NB to 48” NB (Seamless & Welded)
Schedule	SCH 10 to SCH 160 / XXS
Types	Elbow (45°, 90°, 180°), Tee (Equal/Reducing), Reducer (Concentric/Eccentric), Cap, Stub End
Connection	Buttweld (End beveled for welding)
Standard	ASME B16.9 / B16.28 / MSS-SP-43
Testing	Hydro, Radiography, PMI, Dimensional, Visual