Standard No.:	GB/T 33145-2023/XG1-2025
English Name:	Large capacity seamless steel gas cylinders, includes Amendment 1
Chinese Name:	《大容积钢质无缝气瓶》含国家标准第1号修改单
Chinese Classification:	J74    Pressure vessel
Professional Classification:	GB    National Standard
ICS Classification:	23.020.30 23.020.30    Gas pressure vessels, gas cylinders 23.020.30
Source Content Issued by:	SAMR; SAC
Issued on:	2025-08-29
Implemented on:	2025-12-1
Status:	valid
Superseding:	GB/T 33145-2023 Large capacity seamless steel gas cylinders
Target Language:	English
File Format:	PDF
Word Count:	19500 words
Translation Price(USD):	585.0
Delivery:	via email in 1~5 business day

本文件规定了大容积钢质无缝气瓶（以下简称“钢瓶”）的型式和参数、技术要求、试验方法、检验规则、标志、涂敷、包装、运输和储存。
本文件适用于在正常环境温度-40 ℃～+60 ℃下使用、公称工作压力为10 MPa～35 MPa、公称水容积大于150 L且小于或等于3 000 L，可重复充装压缩气体或液化气体的移动式钢瓶。
公称容积大于3 000 L且小于或等于4 200 L的钢瓶，可以参照本文件的有关规定执行。