GB/T 32964-2016 in English
VALIDWelded stainless steel pipes for liquefied natural gas
- Issued on:2016-08-29
- Implemented on:2017-07-01
- File Format:PDF
- Delivery:Within 1 day
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《GB/T 32964-2016液化天然气用不锈钢焊接钢管》由TC183（全国钢标准化技术委员会）归口，TC183SC1（全国钢标准化技术委员会钢管分会）执行，主管部门为中国钢铁工业协会。
Introduction
1. Standard Overview
GB/T32964-2016 "Stainless Steel Welded Pipe for Liquefied Natural Gas" standard specifies the classification, ordering content, size, shape and weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of stainless steel welded pipes for liquefied natural gas. It is applicable to austenitic stainless steel welded pipes for liquefied natural gas with a nominal outer diameter of 219.1mm~1219mm.
2. Comparison of standard frameworks
| Dimensions | GB/T32964-2016 | Comparison standards (such as API, etc.) |
|---|---|---|
| Classification | Divided into Class I, Class II and Class III | API 5L classification standard |
| Size range | Nominal outer diameter: 219.1mm~1219mm | Covering a similar range, but with different specific tolerances |
| Technical requirements | Including chemical composition, mechanical properties and non-destructive testing | Emphasis on weld quality and hydraulic testing |
3. Background of standard formulation and analysis of technological evolution
With the rapid development of the liquefied natural gas (LNG) industry, the quality requirements for steel pipes are becoming increasingly stringent. The formulation of the GB/T32964-2016 standard is based on advanced domestic and foreign technical experience and aims to ensure the safety and reliability of steel pipes in low temperature and high pressure environments.
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