Heavy Engineering - Heavy Steel Fabrication

From building large steel fabrications and heavy machining right through to our sizeable paint facility, Brook Welding specialise in heavy engineering for industry.

Our highly regarded reputation for producing high quality heavy fabrications in mild, carbon & carbon manganese steels is known nationwide. For over 67 years, we have successfully fulfilled the needs of many demanding sectors including the Machine Tool, Chemical, Offshore, Oil & Gas, Power Generation & Nuclear Engineering industries, meeting the high tolerance and quality finish expected in these fields.

We pride ourselves on our technical expertise and highly experienced workforce. Along with our 60 Tonne handling capacity and large shop floor space, we can produce large and heavy fabrications to fulfil the requirements of every industry.

Large complex steel fabrication.

Large Fabricator

Having spent the last six decades building specialist industrial fabrications, we have developed a keen understanding of the regulations that are unique to each sector. Our clients can be confident that we will help them meet and exceed those requirements, through a tailored and flexible quality assurance package.

We have the ability in-house to profile, fabricate, weld, test and inspect, stress-relive, machine, and shot blast and paint large fabrications to an exceptionally high standard. We hold the ISO 9001 and 1090 EXC 3 standards and have a large number of BS EN 288, BS EN ISO 15614-1 & ASME IX welding procedures, as well as BS EN 287-1, BS EN ISO 9606-1 & ASME IX welder approvals.

Follow the links to learn more about our on-site machining capacity or thermal stress relief, shot blasting or painting facilities and see if we can help you. We can handle all formats of electronic drawings/information and aim to turn the majority of quotations around in 48 hours. If you wish to enquire about capacity or any queries you may have now or in the future please get in touch with one of our experts.


CNC Profiling Machine

  • New 2015 ESAB CNC Combirex DX3500
    • Cutting size: 3 x 12 metres
    • Plate thickness: 6 - 200 mm
  • Testing of Heat Affected Zones (HAZ) (BS EN 1090-2:2008)
    • All results below 350 HV
    • Tested in accordance with ISO 6507-1:2005
    • UKAS accredited test house.

Welding Machines

  • 8 MIG/MAG units, 600 amps
  • 2 MMA units 500 amps
  • 1 TIG unit 350 amps
  • Calibrated in accordance with BS EN 50504:2008
  • Incorporating ISO 17662:2005
  • UKAS calibrated testing equipment

Stress Relieving Furnace, Shot blasting & Painting


B.S. EN ISO 9001:2015

B.S. EN 1090-1:2009+A1:2011 Ex Class 3

Welding Procedures:

  • BS EN 288 / BS EN ISO 15614-1:2004 / ASME IX.

Welder Approval:

  • BS EN 287-1:2011 / BS EN ISO 9606-1:2013 / ASME IX.


  • Visual to ISO 5817:2014 using ISO 17637:2003 Equipment.
  • DPT, MPI, Radiograph and Ultrasonic testing available.
ISO 9001 and CE 1090

Heavy Fabrication Shop

Work Area:
750 square metres (8000 sq. ft.)
Lifting capacity:
Maximum lift 60 tonnes
Maximum job height 6 metres
Door Access:
4.2M wide X 6.0M high

Machine Shop

Work Area:
560 square metres (6000 sq. ft.)
Maximum lift 20 tonnes
Maximum job height 5 metres

Preparation and Finishing Shop

Work Area:
850 square metres (9000 sq. ft.)
Maximum lift 20 tonnes
Maximum job height 6 metres