GB/T 44512-2024: Inspection and test specifications of large-scale amusement device - Ultrasonic stress testing

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Scope

This document specifies the ultrasonic stress testing method for load-bearing components, such
as: steel structures, bolts and shafts of large-scale amusement devices.
This document is applicable to the in-situ axial stress testing of load-bearing components, such
as: solid shafts with an outer diameter of not less than 10 mm and hexagonal steel bolts, double-
threaded bolts with an outer diameter of not less than 30 mm for the amusement devices. It also
applies to the in-situ bending stress testing of load-bearing components, such as: steel pipes
with an outer diameter of not less than 50 and a wall thickness of not less than 6 mm, and steel
plates with a wall thickness of not less than 6 mm.
Ultrasonic stress testing of load-bearing components, such as: steel structures, bolts and shafts
used by cableways and other mechanical equipment shall take this as a reference.

Basic Data

Standard ID	GB/T 44512-2024 (GB/T44512-2024)
Description (Translated English)	Inspection and test specifications of large-scale amusement device - Ultrasonic stress testing
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Y57
Classification of International Standard	97.200.40
Word Count Estimation	18,151
Date of Issue	2024-09-29
Date of Implementation	2025-01-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration