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ERW Steel Pipe,HFW Steel Pipe
ERW Steel Pipe,HFW Steel Pipe

ERW Pipe Factory

State-of-the-art facilities;Strict quality control Partnerships: PDVSA,NIOC,CNPC,SINOPEC..etc.



Number of workers

Over 400 workers


ERW Steel Pipe,HFW Steel Pipe


Edger Roll Machine,Precious Leveling Machine,Pinching Machine

Annual output

20000 tonnes for ERW pipe

Factory introduction

United Steel Industry Co., Ltd. tiene una gama completa de alta frecuencia
Líneas de producción de tubos con costura longitudinal, que se utilizan principalmente
para producir tubos de acero soldados de φ8~φ630mm y espesor de pared.
Espesor 0,5~25 mm y tubo de acero ERW, tubo cuadrado, rectangular
tubería, tubería de acero al carbono, etc. Esta línea de producción puede producir soldadura
tubería con buena calidad de procesamiento, alta precisión de montaje y
rápida velocidad.

Steel products are widely used in aviation, aerospace, national defense.

equipment, oil exploration, construction machinery, automobiles,

railway rolling stock, new energy and other industries and fields.

The export market covers more than 100 major regions and countries

worldwide, and has a steel production capacity of 20,000 tons.

Manufacturing Process Of HFW Pipe

HFW Pipe Production Line

This mill produces HFW pipes, square pipes, rectangular pipes and Cold Formed Profile Steel. The mill is equipped with Thermatool's 600KW high frequency welding system and medium frequency heat treatment system, Krautkramer's multi-channel online seam UT tester, Joy Sound's hydrostatic tester, Guild International's shear and welder, super coil accumulator, Pacific's computerized cutting machine and Chicago Roll's rollers system. This is a highly automatic and stable mill.
Outside Diameter:Φ114mm- Φ356mm (4"- 14")
Wall Thickness:3.0mm- 12.7mm (1/8"- 1/2")
Length:6m-18.5m (20' - 60' )
Grades:GB/T9711 L190-L555 (API 5L A-X80)

USI Group has a quality inspection center to provide inspection services for the production process and finished products,Learn more about the Inspection process!

Production Line

  • Slitting Shears

    Slitting Shears

  • Plate Shear

    Plate Shear

  • Looper ccumulator

    Looper ccumulator

  • Uncoiling Machine

    Uncoiling Machine

  • Edger Roll Machine

    Edger Roll Machine

  • High Frequency Induction Welder

    High Frequency Induction Welder

  • Precious Leveling Machine

    Precious Leveling Machine

  • Pinching Machine

    Pinching Machine

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