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Produced by piercing a solid billet and cold drawing or hot rolling without any weld seam. Features uniform structure, high pressure resistance, excellent dimensional accuracy, and good mechanical properties.
Produced by helically forming steel coil into a tubular shape and welding the spiral seam using submerged arc welding (double-sided or single-sided). Features wide diameter range, good dimensional consistency, high strength, and cost-effective production for large diameters.
Produced by cold drawing or cold rolling from stainless steel coil or billet, followed by annealing and pickling to ensure excellent corrosion resistance and uniform mechanical properties. Available shapes: round, square, rectangular. Grades: 201, 304, 304L, 316L, 321, 409, 430. Outer diameter (round): 6mm – 1016mm. Wall thickness: 0.5mm – 20mm.
Produced by centrifugal casting process using high-strength ductile cast iron, where graphite is spheroidized to enhance mechanical properties.
Produced by centrifugal casting process using high-strength ductile cast iron, where graphite is spheroidized to enhance mechanical properties.
Produced by centrifugal casting process using high-strength ductile cast iron, where graphite is spheroidized to enhance mechanical properties.
Produced by centrifugal casting process using high-strength ductile cast iron, where graphite is spheroidized to enhance mechanical properties.
Produced by centrifugal casting process using high-strength ductile cast iron, where graphite is spheroidized to enhance mechanical properties.
Produced by cutting or rolling threads onto plain steel pipe ends (for coupling connections), or by cold rolling internal/external helical ribs along the tube length (for enhanced heat transfer). Features reliable mechanical connection (threaded ends), or improved heat exchange efficiency (helical ribs).
Produced by cutting or rolling threads onto plain steel pipe ends (for coupling connections), or by cold rolling internal/external helical ribs along the tube length (for enhanced heat transfer). Features reliable mechanical connection (threaded ends), or improved heat exchange efficiency (helical ribs).
Produced by cutting or rolling threads onto plain steel pipe ends (for coupling connections), or by cold rolling internal/external helical ribs along the tube length (for enhanced heat transfer). Features reliable mechanical connection (threaded ends), or improved heat exchange efficiency (helical ribs).
Produced by cutting or rolling threads onto plain steel pipe ends (for coupling connections), or by cold rolling internal/external helical ribs along the tube length (for enhanced heat transfer). Features reliable mechanical connection (threaded ends), or improved heat exchange efficiency (helical ribs).
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