API standards spell out how often critical equipment must be checked and what happens if it isn’t. A skipped thickness reading or missed weld crack can snowball into leaks, fire, or a total shutdown that costs more in a day than an inspection program costs in a year.
Regulators and insurers look for proof that every vessel, line, and tank still meets its design limits. Solid API records aren’t just paperwork; they keep people safe, protect the environment, and let owners sleep at night knowing a corroded nozzle won’t become tomorrow’s headline.
How we help
NWTI deploys certified API 510, 570, and 653 inspectors who arrive with calibrated UT gauges, magnetic-particle yokes, cameras, and a battle-tested checklist. We scope the job up front, then work through visual exams, ultrasonic thickness mapping, magnetic-particle or dye-penetrant testing on welds, and corrosion-rate calculations. Every indication is tagged, photographed, and logged in your mechanical-integrity database the same day.
When readings fall outside the code envelope, we run fit-for-service calculations and offer repair options that line up with ASME and API guidance: weld build-up, plate insert, or complete replacement. You get a clear go/no-go decision, projected remaining life, and a repair plan that maintenance can act on without digging through jargon.
The NWTI edge
- All three codes under one roof. One call covers vessels, piping, and tanks, so there’s no juggling contractors or formats.
- Vendor-neutral reporting. We answer to the code and the client, not a coating or repair vendor. That keeps recommendations honest.
- Real-time communication. Field inspectors push photos and numbers to our cloud portal before they leave the site, so engineering and operations see issues while scaffolding is still up.
- Practical experience. After two decades of corrosion management we know the difference between cosmetic rust and a shell-critical pit, and we frame our reports accordingly.
Bottom line: an NWTI API inspection gives you the data to meet the code, the insight to plan repairs, and the confidence that your assets will stay online and in compliance.

