A & B Welding


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Specialists in all Alloy and Carbon Steel Piping and Welding

A & B Welding is an independent company that has over 20 years of experience fabricating and welding piping systems for the oil and gas, petrochemical and power generation industries.

18 Dawson Street,
East Arm,
NT 0822,
Fax Number

Manufacture and Welding of Pipes and Piping Systems

A & B Welding is an independent company that has over 20 years of experience fabricating and welding piping systems for the oil and gas, petrochemical and power generation industries. It offers affordable piping solutions, and has extensive experience in pipe spooling.

A & B Welding delivers projects on tight schedules at very competitive prices. The company’s highly skilled team are trained with TBOSIET and covered by relevant insurances that are able to perform offshore work when required. They capitalise on high levels of expertise and knowledge to ensure that even the most demanding requirements are met in fabrication and welding projects. The company’s record of securing repeat business is a testament to the high standards of workmanship that it provides.


A & B Welding has achieved ISO9001:2008 Quality, AS/NZS 4801:2001 Occupational Health & Safety, ISO14001:2004 Environment, ISO/IEC 17025 Mechanical Testing and was the first company in Australia to achieve ISO3834:Part 2.

Fabrication and testing of pipe spools including cold surface and other alloy steels for Bluewater Australia.
Channel Island Power Station piping construction for Leightons.
Around 3.5km of underground 316 stainless piping and spooling for Macmahons RAAF Base.
Fabrication of new pipe work including fitted duplex stainless steel flow lines to the riser for PTTEP Australasia.
Fabrication of various pipe spools for ConocoPhillips and supply of offshore labour hire as required.
Maintenance of the 1,500km APA Group Amadeus Gas Pipeline and gas skids, including live welds.

Highly qualified workforce

The Director of A & B Welding is also serves as responsible welding coordinator, and he has several world-class certifications such as IWS – International Welding Specialist, IWP – International Welding Practitioner, CIWS – Certified International Welding Inspector, IWI B – International Welding Inspector, CWI – Certified Welding Inspector. He also holds many welding qualifications.

The HSE Manager has an Advanced Diploma in Occupational Health and Safety and is a lead auditor.

A & B Welding’s quality manager has been with the company for over 25 years. He has extensive knowledge of all the relevant codes, standards and client specifications.

The company’s coded welders are all experienced world-class specialised welders. Some of them have even obtained their IWI B – International Welding Inspector.

Fabrication and welding services

Services provided by A & B Welding include:

  • Specialised welding of exotic pipe spooling
  • Piping for low and high-pressure applications
  • Fabrication and welding of pipe systems
  • Production and process piping systems
  • Gas piping: metering skids
  • Fully qualified welding to approved relevant codes and standards
  • Pipe fabrication
  • Crossovers, flow lines and test equipment spooling
  • Hydrostatic testing
  • On-site work
  • Offshore labour hire and maintenance

Specialised plate and pipe welding

Meeting the stringent compliance of ASME IX, ASME B31.1 and relevant Australian codes / standards, A & B Welding has developed an extensive range of weld procedures for both plates and pipes in all sizes and material specifications. Materials covered by these procedures include all carbon steels, chrome moly alloys, stainless steels, duplex stainless steels, aluminium brass, copper and copper nickel.

Piping fabrication

A & B Welding has experience in a wide range of piping fabrications, from basic straight spools to highly complex configurations for both low-pressure systems and extremely high pressure applications.

Fabrications that the company is capable of include:

  • Duplex flow lines
  • Process piping
  • Cu-Ni piping
  • Cr-Mo piping
  • Oil and gas piping systems
  • Flow lines and test equipment spooling

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Products & services

18 Dawson Street
East Arm
NT 0822

Fax Number