Welding Engineering
The services INTECSEA can offer regarding welding engineering are highlighted below:
- Input to the design and construction of offshore structures, pipelines and chemical plants from preliminary design through to support of the construction team
- Advice during design on the weldability of materials, welding design, fracture toughness design criteria and the extent of pre-and post-weld heat treatment
- Development of material and fabrication specifications
- Conducting technical bid assessments of manufacturers and fabricators
- Allowable defect acceptance criteria API 1104 Section 9 or Appendix A or ECA in accordance with BS 7910, FLAWPRO or DNV/SINTEF guidelines
- Specialized testing including, API RP 2Z and single edge notch tension (SENT)
- Pre-and post-weld measurement including use of TOFD for go/no go check on completed welds
- Weld alignment including machining, measuring and sorting of line pipe
- Technical audits of vendors or fabricators
- Review of vendors or contractors welding, fabrication and non-destructive testing documents
- Assignment to fabrication, construction and installation sites to coordinate fabrication activities
- Evaluation of weld and heat affected zone microstructures
- Assessment of failures and rectification and prevention strategies
- Ensure the quality of all welding operations used in onshore and offshore fabrication, through identifying appropriate welding procedures, welder qualifications and inspection and test methods
- Ensuring compatibility between weld metal and base material for piping systems for corrosive hydrocarbons
- Weld overlay requirements for crevice corrosion prevention taking into account, maximum iron content permitted, corrosion resistant alloys and minimum thickness requirements
- Validate fabrication and construction by NDE methodologies including automatic ultrasonic testing
- Serve as a technical expert in contractual matters between purchaser and contractor
- Specify the minimum requirements for welding operations which will be subject to third party verification/certification
- Resolving internal line-up clamp issues
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