GB/T 43403-2023: Road vehicles - Trailers up to 3.5t - Control of welded towing brackets for coupling ball after fatigue testing

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Scope

This document specifies the aim and principles, personnel requirements, choice of
method, testing requirements, and result determination for the control of mechanical
coupling devices between the towing vehicle and the light trailer equipped with
coupling devices that comply with GB/T 25988 after fatigue testing.
This document is applicable to all the components of the mechanical coupling devices
whose failure can cause the fracture of the attachment, manufactured out of steel, forged
steel or cast steel (i.e., generally in ferromagnetic materials).
Note: In the case of use of other materials, the manufacturer will check their compatibility with the
methods of non-destructive testing.

Basic Data

Standard ID	GB/T 43403-2023 (GB/T43403-2023)
Description (Translated English)	Road vehicles - Trailers up to 3.5t - Control of welded towing brackets for coupling ball after fatigue testing
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	T72
Classification of International Standard	43.100
Word Count Estimation	9,966
Date of Issue	2023-11-27
Date of Implementation	2024-03-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration