Pipe Flanges

Nutech Overseas is a trusted manufacturer and global supplier of high-quality industrial pipe flanges, engineered for pressure piping systems across oil & gas, petrochemical, shipbuilding, power plants, and offshore applications. All flanges are manufactured in accordance with international standards such as ASME B16.5, ASME B16.47 Series A/B, EN 1092-1, DIN, BS 4504, JIS B2220, ISO 7005, and others.

Our manufacturing capabilities cover flange sizes from ½” to 60”, with pressure ratings ranging from Class 150 to Class 2500. We offer all standard flange types including Slip-On, Weld Neck, Blind, Socket Weld, Threaded, Lap Joint, RTJ, Orifice, Spectacle Blind, and Custom CNC-Machined Flanges.

Material Grades Offered:

• Carbon Steel: ASTM A105 / A105N, ASTM A350 LF2 CL.1, ASTM A516 GR.60 / 70
• Stainless Steel: ASTM A182 F304 / F304L, F316 / F316L, F321 / F321H, F347 / F347H, F310, SS 904L
• Alloy Steel: ASTM A182 F1, F5, F9, F11 CL.2, F22 CL.3, F91
• Duplex & Super Duplex Steel: ASTM A182 F51, F53, F55, F60
• High Nickel Alloys: Inconel 600 / 625, Monel 400 / K500, Hastelloy C22 / C276, Alloy 20
• Copper Nickel: Cu-Ni 90/10, Cu-Ni 70/30
• Mild Steel: IS 2062 GR A / B (on request)

Each flange is produced at our ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and PED Approved facility, ensuring dimensional precision, corrosion resistance, and excellent weldability. Our products meet demanding global engineering requirements and are ready for immediate shipment to USA, Europe, and Middle East.