Buttweld Pipe Fittings Manufacturer & Exporter
Unique Engineering is a dynamic and experienced manufacturer of ASME B16.9 Buttweld Fittings including Elbows, Tees, Crosses, Reducers, Nipples, and Couplings. Established over a decade ago, we are dedicated to serving the evolving needs of global industries with precision-engineered fittings in a wide range of materials including Stainless Steel, Carbon Steel, High Nickel Alloys, and Titanium.
We manufacture and supply fittings in compliance with international standards and ensure unmatched quality using advanced plasma refining and manufacturing equipment.
Types of Buttweld Fittings
Elbows
Tees
Reducers
Crosses
Caps
Stub Ends
Nipples
Couplings
- Elbows (90° / 45°, Long & Short Radius)
- Tees (Equal / Reducing)
- Reducers (Concentric / Eccentric)
- Crosses
- Caps
- Stub Ends
- Nipples
- Couplings
Standards & Specifications
- ASME / ANSI: B16.9, B16.25, B16.28
- ASTM: A403, A234, A420
- MSS SP-43, API 590–605
- Schedule: Sch 5 to Sch XXS
- Thickness Options: 5S, 10S, 20S, S40, STD, XS, 80S, 160, XXS
Sizes
- Seamless: ½" to 24"
- Welded: 8" to 36"
Material Grades
Carbon Steel
- ASTM A234 Gr. WPB
- ASTM A420 Gr. WPL6
- ASTM A105
- ASTM A350 Gr. LF2
Stainless Steel
- ASTM A403 WP316 / WP316L
- ASTM A403 WP304 / WP304L
- ASTM A182 F316L / F304L
Titanium
- Grades 1 / 2 / 3 / 4 / 5 / 7
High Nickel Alloys
- Available upon request (Monel, Inconel, Hastelloy, etc.)