Standard No.:	TB/T 456.2-2019/XG2-2025
English Name:	Automatic coupler and draft gears for rolling stock - Part 2: Automatic couplers and accessories, includes Amendment 2
Chinese Name:	《机车车辆自动车钩缓冲装置 第2部分：自动车钩及附件》行业标准第2号修改单
Chinese Classification:	S31    Car coupler and shock absorber
Professional Classification:	TB    Professional Standard - Railway Transport
ICS Classification:	45.060.10 45.060.10    Tractive stock 45.060.10
Source Content Issued by:	Ministry of Railways
Issued on:	2025-09-11
Implemented on:	2025-9-11
Status:	valid
Superseding:	TB/T 456.2-2019 Automatic coupler and draft gears for rolling stock - Part 2: Automatic couplers and accessories TB/T 456.2-2019/XG1-2023 Automatic coupler and draft gears for rolling stock - Part 2:Automatic couplers and accessories
Target Language:	English
File Format:	PDF
Word Count:	44000 words
Translation Price(USD):	1320.0
Delivery:	via email in 1~10 business day

TB/T 456的本部分规定了机车车辆用自动车钩的术语和定义，基本结构，技术要求，检验方法，检验规则，标志、包装、运输和储存。
本部分适用于机车、客车、货车、动车组用自动车钩(以下简称车钩)、钩尾销、从板、转动套。