Monopile & Transition Piece Steel

01 / 07

Where the turbine meets the sea

A transition piece sits on the monopile and carries everything a crew needs to reach the turbine. We build that steel.

Scroll to see how it is built · drag to turn it round

02 / 07

Platforms rolled to the can

Ring segments rolled to the can’s radius, trial-fitted round a full-size template, then galvanised.

How is it possible at Allmarc?

Three-roll pinch cum pyramid plate rollsRolls plate up to 40 mm

Used here for: Platforms rolled to the can

• Rolls plate up to 40 mm

All our machinery

Deratech Supera-H 12030 fibre laser20 kW

Used here for: Platforms rolled to the can

In 2024 we were the only buyer of Deratech’s 20 kW, 12 m laser.

• 20 kW
• 12 x 3 m bed
• Pallet changer

All our machinery

03 / 07

Boat landing

Heavy-wall fender tubes and stubs that take a crew boat’s push in a swell.

How is it possible at Allmarc?

HSG CNC tube laser4 kW

Used here for: Boat landing

• 4 kW
• Tubes and sections up to 250 dia
• Automatic loading

All our machinery

Submerged-arc (SAW) welding lineFull-penetration welds on built-up sections

Used here for: Boat landing

• Full-penetration welds on built-up sections

All our machinery

04 / 07

Ladder and rails

Caged ladder from the landing to the platform, bracketed every 2.5 m.

05 / 07

J-tubes

Bent tubes that guide the export cables up from the seabed, held on clamps.

How is it possible at Allmarc?

CNC pipe bendingCNC pipe and tube bending

Used here for: J-tubes

• CNC pipe and tube bending

All our machinery

06 / 07

Internal platform

The airtight platform inside the can.

07 / 07

Every part, apart

Platforms, landing, ladder, J-tubes and internals.