High-pressure boiler tubes

Manufactured by seamless cold drawing or hot rolling from killed carbon steel or alloy steel, designed for high temperature and high pressure service. Features excellent creep rupture strength, good oxidation resistance, fine grain structure, and dimensional accuracy.

elbow

Manufactured by hot pushing, pressing, or cold forming from seamless or welded pipe, then machined and heat treated. Features smooth internal bore, accurate angle, uniform wall thickness, and good flow characteristics.

Tee

Manufactured by hot extrusion, hydraulic bulging, or cold forming from seamless or welded pipe, then machined and heat treated. Features uniform wall thickness, smooth flow paths, accurate branch angles, and high strength.

Coupling

Manufactured by forging, casting, or machining from steel bar or seamless pipe, then heat treated and surface finished. Features precise threads or smooth bores, reliable sealing, high pressure rating, and easy assembly/disassembly.

flange

Manufactured by forging or plate cutting from carbon steel, alloy steel, or stainless steel, then machined to precise dimensions. Features uniform sealing surface, accurate bolt hole alignment, high strength, and good weldability.

Plastic-coated steel pipe

Manufactured by applying thermosetting or thermoplastic powder (polyethylene PE or epoxy EP) onto the internal and/or external surface of steel pipe through electrostatic spraying, fluidized bed, or extrusion processes, followed by heat curing. Features excellent corrosion resistance, good chemical resistance, smooth inner surface for low friction, and strong adhesion.

FBE Coated Steel Pipe

Produced by electrostatically spraying thermosetting epoxy powder onto preheated steel pipe surface, where the powder melts, flows, and cures into a uniform, continuous film. Features excellent corrosion resistance, strong cathodic disbondment resistance, good chemical resistance, and a smooth surface.

Polyethylene Coated Steel Pipe

Manufactured by applying three-layer polyethylene coating (fusion bonded epoxy + copolymer adhesive + polyethylene) onto the external surface of steel pipe. Features excellent corrosion resistance, high mechanical strength, good cathodic disbondment resistance, and long service life in aggressive environments.

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