CHARACTERISTICS OF INPUT MATERIAL

MaterialPickled and black carbon steel strips
S235 - S355
Technological characteristics

Tensile strengthmax 510 N/mm2
Yield strengthmax 355 N/mm2

Characteristics of strip

Widthmin 690 , max 1300 mm
Thicknessmin 3 , max 8 mm

Coils

Weight27 tons
Internal diametermin 508 , max 810 mm
External diameter min 900 , 2100 mm

CHARACTERISTICS OF OUTPUT MATERIAL

Round tubes O 219-235-244.6-253.5-273-285-305-317-323.9-355.6-381
-406.4-413 mm

Square tubes200x200-220x220-250x250-260x260-300x300-325x325 mm

Rectangular tubes200x150-250x100-220x140-250x150-300x100-260x140
300x150-250x200-300x200-350x150-300x220-400x200
350x250-400x250 mm
Type of packsround-square-rectangular

Length4500-12000 mm

FinishingInternal decreasing
External decreasing
Bevel of ends
Blowing system

No destructive controlsElotest in the welding area

Tolerances on length+/- 5 mm

Entry section speed120 m/1'

Welding speedmax 35 m/1'

DESCRIPTION OF PLANT

ENTRY SECTION

Saddle coil storage
Recoilers with opposing mandrels
Motorized snubber roll for press coil
Coil opener table
Pinch roll + flattener
Steering unit
Facing shear with scrap container
MIG welder with shear included
Deflector roll

PROCESS SECTION

Looper with loop car pulled by winch pull and 14 arms of support strip
Two rolls bridle with snubber roll
Steering unit with vertical rolls

FORMING SECTION

It is consists of:
n 2 brake down
n 6 steps of forming intercalated of n 6 vertical formers
n 3 steps of finishing

WELDING SECTION

Welding head with four rolls
Welding plant ELESTAR with contacts 450 kW - 400 KHz

COOLING SECTION

On free air with space for inductors of normalization of weld bead
Supports of tube
Spray nozzle for cooling with emulsion

CALIBRATION SECTION

n 3 motorized cages of calibration with four quick change rolls and locking

systems
n 2 turkish heads and straightening system of bars
Elotest for control of welding area, with off line calibration system

CUT SECTION

Flying cutter with quick saw, clamps and tube support system, with soundproof

cabin.




DISCHARGE SECTION

Motorized roller way
Waste basket of scraps
Feeding device for tube packs to header

FINISHING SECTION

Plant of bevel for tubes according API norm
Blowing system for removal of internal welding

PACKAGING SECTION

Rollers way of transfer, with amortized wing
Dual discharged section and packaging of packs

AUXILIARY PLANTS

Hydraulic system
Recirculation system and cooling of emulsion
Fume extraction system
Equipment for assembly and disassembly of rolls

This machine is listed for sale by National Machinery Exchange Inc located in Newark, New Jersey