DL/T 820.4-2020 in English
VALIDCode of ultrasonic testing technique for butt welds of pipes-Part 4:In-service testing
- Issued on:2020-10-23
- Implemented on:2021-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
Price(USD)：
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$418.00
$418.00
| Standard No: | DL/T 820.4-2020 |
| Document status: | VALID |
| Title in English: | Code of ultrasonic testing technique for butt welds of pipes-Part 4:In-service testing |
| Title in Chinese: | 管道焊接接头超声波检测技术规程 第4部分：在役检测 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2020-10-23 |
| Implemented on: | 2021-02-01 |
| Professional Classification: | DL-Electricity |
| Related Keywords: | ultrasonic testing technique
ultrasonic testing in-service inspections butt welds testing |
| Related Topics: | Ultrasonic welding of aluminum tubes
Ultrasonic Testing Technology Detection Techniques 4th Edition Automated Detection Techniques 4th Edition Welding Ultrasonic Testing Technology Ultra Low Detection Technology Pipeline Inspection New Polymer ultrasonic welding dl/t5572-2020 Ultrasonic testing of welds dl/t2131-2020 |
Introduction
This standard specifies the technical requirements and procedures for ultrasonic testing of welded joints in pipelines during in-service inspections. It covers the selection of testing equipment, calibration methods, and operational guidelines to ensure consistent and reliable results. The document also outlines the criteria for evaluating test data and determining the acceptability of welds based on specified defect limits. Additionally, it provides guidance on the documentation and reporting of testing activities. The standard is structured to support the safe and effective maintenance of pipeline systems by facilitating accurate and repeatable inspection processes.
*** Please note: This description may not be accurate, please refer to the official documentation.
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