ISO 5948:2018 Railway rolling stock material — Ultrasonic acceptance testing
Why is this important? During the manufacturing and service life of a wheel, stress concentrations can build up, particularly in the groove area between the wheel rim and the plate (the web). If left unchecked, fatigue cracks can initiate in this zone. Because this area is visually obscured or difficult to assess externally, Ultrasonic Testing (UT) is required to "see" inside the metal structure. iso 5948 pdf
The current version is ISO 5948:2018, which replaced the 1994 edition. 🛠️ Key Technical Requirements ISO 5948:2018 Railway rolling stock material — Ultrasonic
The ISO 5948 PDF document typically includes the following content: Outdated versions (e
Minor note: The standard assumes prior familiarity with photometric terms (cd, lux, test point angles). Beginners might need a quick refresher on CIE conventions, but that's expected for an ISO document.
| Source | Cost | Notes | |--------|------|-------| | ISO.org | ~138 CHF (~$150) | Official, latest version (2018) | | ANSI Webstore | ~$150 | For US buyers | | Your institution | Free | Many universities have ISO subscriptions | | National standards body (e.g., BSI, DIN, AFNOR) | Similar cost | Often identical text |