OTO 16"/406mm ERW Tube Mill #4928

Dismantled

Revamped in: 2006-8

. PHOTOS IN THE ATTACH. AT THE BOTTOM .

For:

Round tubes/Tubi tondi: Ø 219-235-244.6-253.5-273-285-305-317-323.9-355.6-381-406.4-413mm

Square tubes/Tubi quadri: 200x200-220x220-250x250-260x260-300x300-325x325mm

Rectangular tubes/Tubi rettangolari: 200x150-250x100-220x140-250x150-300x100-260x140-300x150-250x200-300x200-350x150-300x220- 400x200-350x250-400x250mm

Material:

S235 & S355

Break: max 510 N/mm2

Yield: max 355 N/mm2

Coils:

690mm--1300mm x 3--8mm

27ton

ID 508--810mm

OD 900--2100mm

Products:

Packs/Tipologia dei pacchi: tondo-quadrato-rettangolare

Lengths/Lunghezza: 4500-12000mm

Tube finish/Finitura:

--Inside scarfing/Scordonatura interna

--Outside scarfing/Scordonatura esterna

--Edge beleling/Smussatura delle estremità

--Chip blowing/Soffiatura

Non-destructive checks/Controlli non distruttivi - 'Elotest':

in the weld area/nella zona di saldatura

Length tolerance/Tolleranze lunghezza: +/- 5 mm

Line entry section speed/Velocità sezione entrata: 120 m/1’

Welding speed/Velocità di saldatura max: 35 m/1’

EQUIPMENT LIST

Saddle coil storage

Decoilers with opposing mandrels

Motorized snubber roll

Coil opener table

Pinch roll + flattener

Steering unit

Facing shear with scrap container

MIG welder with shear included

Deflector roll

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

consisting of:

2 brake down

6 forming passes intercalated of 6 vertical formers

3 passes of finishing

WELDING SECTION

Welding head with four rolls

ELESTAR welder 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

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

2 turksheads and straightening system of bars

"Elotest" for control of welding area, with off-line calibration system

CUTOFF SECTION

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

Motorized roll table

Waste-basket for 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 discharge section and packaging of packs

AUXILIARY EQUIPMENT

Hydraulics

Recirculation system and cooling of emulsion

Fume extraction system

Equipment for assembly and disassembly of rolls

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