OIL & GAS INFORMATION PACK
Mill Details – Modified and upgraded Torrance design & built. Commissioned in 1966.
Mill Specification
Pipe Sizes – 168.3mm, 219.1mm, 273.1mm, 323.9mm, 355.6mm, 406.4mm, 406.4mm, 457.0mm, 508mm, 200mm x 200mm, 250mm x 150mm, 250mm x 250mm.
Pipe Thickness – 3mm to 12.7mm
Pipe Grade – X42 to X80, C350, C450.
CHS Pipe length 18.3 Metres
Specifications – API5L Grade B & X42, ASTM A53 Grade B, AS/NZS 1163 Gd C350 L0, AS1396, ASTM Grade 2
Mill speed – 13 metres/minute to 30 metres/minute depending on material being manufactured.
Mill Entry Area
Brief Details:
Original Toarrance design of the coil held between two cones – extensive modification to strengthen and to be able to retract the Peeler Plate.
Edge Trim, Scrap Chopper & Table after Edge Trim
Brief Details:
Original Torrance Edge Trim units and Scrap Choppers.
2 fully reconditioned Edge Trim units and 2 fully reconditioned Scrap Choppers spare units are available.
Break Downs
Brief Details:
Original Torrance design.
All Breakdown Rolls are less than 5 years old.
Full set of engineering drawings are available.
Forming Cage
Brief Details:
Internal Forming mandrel – based on modern “forming flower” design .
No edge wave created.
Full set of engineering drawings are available.
Preform & Fin Pass Section
Brief Details:
Four Roll Cluster Tooling sets, for all CHS pipe sizes, based on modern “forming flower” design. Wide fin blades to ensure that the presentation to the contact welder is as per the recommendation by Thermatool for high frequency welding.
Very stable welding conditions created.
Full set of engineering drawings are available.
Weld Station
Brief Details:
Weld Station with remote head roll adjustment. Installed in 1996.
Squeeze rolls of a four roll cluster design.
Full set of engineering drawings are available.
Welder – Thermatool VT300.
Scarfing & Internal Scarfing Chopper
Brief Details:
Canticut system with a chopper to cut the internal swarf into small pieces. These are then are washed out of the pipe at the Preliminary inspection area.
Full set of engineering drawings are available.
A full unit is available as a spare.
OD Trim Winder
Brief Details:
Trim is wound onto the wider and when the coil is finished the head rotates over a scarp bin, the wider then tilts and the tynes collapse so that the swarf is released and dropped into the bin.
Engineering Drawings are available.
Annealers
Brief Details:
Inductoheat Units:
No 1 & No 2 units are 500kw 1Khz to 3Khz parallel inverter units installed in 1989.
No 3 units is a 500kw 1Khz to 3Khz series inverter units installed in 2000.
All units are temperature controlled.
Size & Straightening
Brief Details:
Four Roll Cluster Tooling sets, for all CHS pipe sizes.
Design allows manufacture of 168.3mm & 219.1mm pipe without an off-line straightening unit.
No 4 S&S is driven by servo motors to control straightness.
Full set of engineering drawings are available.
Cooling Tank
Mill UT and Stencilling
Flying Disc Cutter
Brief Details:
Heavy Duty Flying Disc Cutter, installed in 1996. Unit is very robust and reliable.
Cut-to- length system installed in 2010. This allows a cut accuracy of -0mm +25mm.
Full set of engineering drawings are available.
Motor Control Centre
Brief Details:
All Mill Drives are 55kw AC drives with individual Variable speed drive units, installed in 1996.
Mill controlled by ABB Procontic T200 PLC with remote I/O units. Citect is used as the SCADA system.
Full Electrical engineering drawings are available.
Tooling Sets
Full sets of Mill Rolls for: 168.3mm, 219.1mm, 273.1mm, 323.9mm, 355.6mm, 406.4mm, 457.0mm, 508mm (6,8,10,12,14,16,18 & 20 inch), 200mm x 200mm, 150mm x 200mm & 250mm x 250mm.
DEDC – Sample Cutting & Flattening Test
Brief Details:
Torrance Double Ended Disc Cutter, installed in 1982. Used for cropping the Lead & Tail pipes and for cutting test samples
Bevellers
Brief Details:
Bevelling Machines, installed in 1996. Updated in 2006 with double outside following (Lan & Bevel tools independent following of the pipe) with Caromat Capto Quick Change tools.
Unit is very robust and reliable. Quick & easy to set-up and change from one pipe size to another.
Full set of engineering drawings are available.
Beveller Caromat Capto Quick Change tools for all pipe sizes.
Hydrotester
Brief Details:
Modern design Hydrotester.
Maximum test pressure – 34MPa
Pressure is reached by a Hydraulic to Water Intensifier controlled by modern servo value equipment and controller. Last upgrade was installed in 2008.
Full set of engineering drawings are available.
Final Ultrasonics
Brief Details:
Double Head unit so that one unit can be calibrated off-line to minimise change over times.
Krautkramer Electronics. The electronics are not longer supported by Krautkramer.
Full set of engineering drawings are available.
Weigh, Measure & Stencil
Laboratory Equipment
Kaltenbach Saws
Central Hydraulic System
Brief Details:
Modern design Hydraulic System.
The system supplies the hydraulic requirements for the whole factory.
Boosted suction system where all hydraulic oil is filtered before being pumped out into the factory.
Full set of engineering drawings are available.
Material Handling - Pettibones
Brief Details:
Supplied by Pettibone.
1 unit manufactured in 1984
2 units manufactured in 1995
Spares
Coil Cones
Scrap Choppers
Edge Trim Units
Spare Beveller unit
Spare Walkbeam Gearbox
Compressors, Air Drier, Air Filter & Air Receivers
Ref. 81284
