| Standard ID | JB/T 9630.2-2024 (JB/T9630.2-2024) |
| Description (Translated English) | (Nondestructive testing of steam turbine steel castings - Part 2: Ultrasonic testing) |
| Sector / Industry | Mechanical & Machinery Industry Standard (Recommended) |
| Classification of Chinese Standard | K54 |
| Classification of International Standard | 27.040 |
| Date of Issue | 2024-03-29 |
| Date of Implementation | 2024-10-01 |
| Older Standard (superseded by this standard) | JB/T 9630.2-1999 |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the requirements for type A pulse reflection ultrasonic testing of steam turbine steel castings, specifies the corresponding testing methods and methods for grading defects, specifies the quality grade requirements for testing, the requirements for testing and evaluating defects, and the test records and test reports. This standard applies to ultrasonic testing of steel castings for power station steam turbines with a thickness of no more than 600mm for carbon steel, alloy steel and non-austenitic stainless steel. |