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Buttweld Fittings

Kwality Tubes supplies a wide range of high-quality buttweld fittings made from premium stainless steel, carbon steel, and alloy steel, designed for leak-proof, durable, and reliable piping connections in high-pressure, high-temperature, and corrosive environments. Offering elbows, tees, reducers, caps, and stub ends crafted to ASTM, ASME, DIN, and EN standards, each fitting undergoes strict testing to ensure precision, smooth finishing, and excellent weldability. Suitable for oil and gas, petrochemical, power generation, and construction projects, these fittings provide outstanding mechanical strength, long service life, and dependable performance for both small- and large-scale piping systems.

Specification Table

Specification Details
Material Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel
Standards ASTM A403, ASTM A234, ASTM A420, ASME B16.9, B16.28
Types Elbows, Tees, Reducers, Caps, Stub Ends
Size Range ½" to 48" (DN15 to DN1200)
Schedule Sch 10, Sch 20, Sch 40, Sch 80, Sch 160, XXS
Connection Buttweld End (Beveled)
Applications Oil & Gas, Power Plants, Petrochemicals, Water Supply Systems

Grades Table

Grade Composition Highlights Common Applications
SS 304 / 304L 18% Cr, 8% Ni / Low Carbon Version Food Processing, Chemical Piping, General Industries
SS 316 / 316L 16% Cr, 10% Ni, 2% Mo Marine, Pharmaceuticals, High-Corrosion Environments
Carbon Steel A234 WPB High Strength Carbon Steel Oil & Gas, Power, Water Pipelines
Low Temperature A420 WPL6 Carbon Steel for Low Temperature Service Cold Storage, Cryogenic Piping
Alloy Steel A234 WP11 / WP22 Chromium-Molybdenum Alloys Boilers, Power Plants, High-Temperature Services
Duplex / Super Duplex High Cr, High Mo, Superior Corrosion Resistance Seawater Systems, Offshore Platforms

Precision-crafted to meet global standards, our tubing solutions ensure reliability, efficiency, and excellence in every project.