PC steel bar production line

PC steel bar has the features of high strength tenacity, low relaxation and good weldability, and widely used for tubular pile, viaduct pier, railway sleeper, etc.

Material size:φ8~φ14mm
Steel material:30MnSi
Product diameter:φ7.1~φ12.6mm, Standard: JIS G 3137

Speed:
φ7.1mm, rated operation speed 110m/min(2.07t/h)
φ9.0mm, rated operation speed 100m/min(3.01 t/h)
φ10.7mm, rated operation speed 75m/min(3.18t/h)
φ12.6mm, rated operation speed ≥50m/min(2.94t/h)

 Heating temperature:
Max. Quenching temperature:950°C
Max.Tempering temperature:450°C

Equipment composition and Process flow:
On-line equipment:

Pay-off stand→Wire pack up device→Mechanical descaling→Bright die and Notching die→Drawing→Straightening→1#Traction machine→Pre-heating power supply(600kW/8kHz IGBT Intermediate frequency induction heating power supply)→Temperature raising power supply(200kW/30kHz IGBT Superaudio induction heating power supply)→ Temperature raising power supply(200kW/50kHz IGBT Superaudio induction heating power supply)+Quenching/Holding→Quenching water tank →Temper power supply(300kW/8kHz IGBT Intermediate frequency induction heating power supply)+Temper and holding pipe→Temper water tank→2#Traction machine→Wire leading tank→Hydraulic shearing/reverse machine→Take up coil 1→Take up coil 2

Auxiliary equipments:

Cooling tower/Air compressor/Heat exchanger/Water pump/Control cabinet/Technics testing machine/Butt welding machine/Pointing machine/Packing machine/Electronic scale/Crane/Testing machine, etc.