Certification, Compliance and Consulting Engineers

Non Destructive Testing & Welding

Design Engineering are specialists in Non Destructive Testing (NDT Testing) in New Zealand. We offer Weld Testing and welding certification, Radiography, Ultrasonics, Phase Array, Welding Qualification Inspections and compliance.
Starting in 1991 the Design Engineering team has over 100 years combined experience with the latest and best equipment for NDT and welding testing. This means we are one of the most efficient and experienced NDT inspection companies in New Zealannd. You can be assured of first class service to look after your valuable assets, staff and inspection work.

non destructive testing

Weld Testing

  • Third Party Weld & Fabrication Compliance Inspection
  • Structural Steel Weld inspection
  • Inspection Test Plans (ITP)
  • International steel fabrication compliance monitoring.
  • Certified Welding Inspection

Radiography including Gamma & X-Ray

Radiographic Examination of Metals

i. Welded Joints

  • Aluminium Alloys
  • Ferrous Metals

ii. Castings

  • Stainless Steel

Surface Methods

Penetrant Testing (fluorescent & Visible)

i. Water Washable Method

ii. Solvent Removable Method

Magnetic Particle Testing (fluorescent & Visible)

i. Magnetic Flow Method

  • Welded Joints
  • Forgings
  • Castings
  • Other Machined Products

ii. Current Flow Method

  • Welded Joints
  • Forgings
  • Castings
  • Other Machined Products

Welder Qualifications

Welding Qualification Examining Body Inspections required to verify compliance with the process for qualifying welders for fusion welding of steels in accordance with AS/NZS 2980

Welder qualifications in accordance with specifications such as:

  • API 1104
  • AS/NZS 1554 parts 1 to 6
  • AS/NZS 1665
  • AS/NZS 2980
  • AS/NZS 3992
  • ASME IX
  • AWS D1.1 BS
  • EN ISO 9606-1
  • BS EN ISO 15609-1
  • BS EN ISO 15614-1

 

Ultrasonics (UT) & Phase Array (PA)

Ultrasonic Examination of Metals

i. Wrought Products

  • Aluminium Alloys
  • Ferrous Metals

ii. Welded Joints

  • Aluminium Alloys
  • Ferrous Metals (incl. Stainless)

iii. Castings

  • Aluminium Alloys
  • Ferrous Metals

iv. Forgings

  • Ferrous Metals

Ultrasonic Examination of Components & Assemblies

i. Bonded assemblies such as bearings for bond failure

ii. Thickness measurements


Manual Phased Array

(ii) Welded joints Al, Fe, SS

 

Eddy Current

Non Destructive Tests by Eddy Current Testing (Al, Cu, Fe, Ni, Mg, Zn)

 (a) Surface flaw detection

 (b) Metallic coating thickness measurement

 (c) Sorting of materials & Components

 (d) Sub surface flaw detection

 (e) Weld Testing

Visual Methods

Visual Inspection of metals

(i) Welded Joints

  • Aluminium Alloys

Ferrous Metals (incl. Stainless Steels)

(ii) Castings

  • Aluminium Alloys
  • Ferrous Metals

 

We use an extensive range of modern techniques and procedures applicable to your industry sector to help you achieve total plant integrity.

Design Engineering is one of New Zealand's leading non destructive testing specialists that carry out a wide range of conventional and advanced non-destructive testing, inspection and asset integrity services.

Weld inspection on new boiler for Oceania Dairies at Glenavy

Weld inspection on new boiler for Oceania Dairies at Glenavy

Online request forms for welding inspection & procedures etc

If you would like to find out more about our services, or you have an opportunity for Design Engineering to assist with your engineering service requirements on any given project, and/or require a free quotation, please contact us