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NDT Standards

Discover the critical changes in ASTM E1444 from 2016 to 2025 edition. Learn how the new aerospace-focused standard impacts magnetic particle testing, UV-A lamp requirements, and quality controls. Essential reading for NDT professionals.

ISO 11666:2018 ultrasonic testing acceptance levels for welds — complete guide by ASNT Level III expert, Trinity NDT Bangalore

ISO 11666:2018 — Acceptance Levels for Ultrasonic Testing of Welds: Everything You Need to Know

By Ravi Kumar Thammana | ASNT Level III — UT, RT, MT, PT, VT, ET | IWE | NAS 410/ISO9712 Level III | CEO, Trinity NDT WeldSolutions Pvt. Ltd., Bangalore, India Let me start with something I tell every candidate who attends our UT Level II training in Bangalore. Knowing how to perform an ultrasonic […]

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Gaussmeter showing less than 3 Gauss residual magnetism after successful demagnetisation — Trinity NDT WeldSolutions Peenya Bangalore

The Shaft That Refused to Let Go — A Demagnetization Case Study from Our Lab

By Trinity NDT WeldSolutions Team | Published: May 2026 | Peenya, Bangalore There are jobs in this work that go exactly as planned. You set up the equipment, run the procedure, the readings drop, and the component goes out the door. The client is happy, the report is signed, and you move on to the

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ASTM E1444 Key Changes from 2016 to 2025 edition | Trinity NDT Blog

ASTM E1444: 2025 Edition – Complete Guide to Major Changes in Aerospace Magnetic Particle Testing Standards Introduction: A Paradigm Shift in Magnetic Particle Testing Standards The aerospace nondestructive testing (NDT) landscape underwent a transformative change with the release of ASTM E1444-25, marking the most significant revision in magnetic particle testing (MPT) standards in nearly a

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