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GB/T 39255-2020 English PDF

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US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39255-2020: (Shielding gas for welding and cutting)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39255-2020	229	Add to Cart	3 days	(Shielding gas for welding and cutting)	Valid

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Basic data

Standard ID: GB/T 39255-2020 (GB/T39255-2020)
Description (Translated English): (Shielding gas for welding and cutting)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J33
Word Count Estimation: 12,175
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39255-2020: (Shielding gas for welding and cutting)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Shielding gas for welding and cutting) ICS 25.160.20 J33 National Standards of People's Republic of China Shielding gas for welding and cutting 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Preface Ⅲ 1 Scope 1 2 Terms and definitions 1 3 Model 1 4 Technical requirements 4 5 Test method 6 6 Reinspection 6 7 Technical supply conditions 6 Appendix A (informative appendix) The structural changes of this standard compared with ISO 14175.2008 7 Appendix B (informative appendix) Technical differences between this standard and ISO 14175.2008 and their reasons 8 Reference 9

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the redrafting method to amend and adopt ISO 14175.2008 "Gas and mixed gases for welding materials and related methods". Compared with ISO 14175.2008, this standard has many adjustments in structure. Appendix A lists this standard and ISO 14175.2008 A list of changes in chapter numbers. Compared with ISO 14175.2008, this standard has technical differences. Appendix B gives the corresponding technical differences and their reasons. List. This standard also made the following editorial changes. ---Modify the standard name to "Shielding Gas for Welding and Cutting". This standard was proposed and managed by the National Welding Standardization Technical Committee (SAC/TC55). Drafting organizations of this standard. Harbin Welding Research Institute Co., Ltd., Sichuan Atlantic Welding Materials Co., Ltd., Kunshan Jingqun Welding Materials Technology Co., Ltd., Shandong Suolide Welding Materials Co., Ltd., Tianjin Jinqiao Welding Materials Group Co., Ltd., Shanghai Welding Equipment Co., Ltd. Company, Tianjin Bridge Welding Materials Group Co., Ltd., Xiamen Yinduli Industrial Co., Ltd., Foshan Huaxiang Automotive Metal Parts Co., Ltd., Foshan Yunding Auto Parts Co., Ltd. Drafters of this standard. Li Sushan, Chen Mo, She Yingtang, Zhou Zhihong, Guan Changyong, Xiao Huiying, Wang Daliang, Li Dianzhao, Lin Xiaohui, Yang Zijia, Song Bei, Fang Naiwen, Zhang Fengyong, Xiang Mei, Han Lei, Di He, Zhu Haizhao, Lin Guini. Shielding gas for welding and cutting

1 Scope

This standard specifies the type, technical requirements, test methods, re-inspection and technical supply conditions of shielding gas for welding and cutting. This standard applies to tungsten inert gas shielded arc welding (141), molten electrode gas shielded arc welding (13), plasma arc welding (15), plasma Arc cutting (83), laser welding (52), laser cutting (84) and arc brazing (972) and other process methods (codes in brackets refer to GB/T 5185) Protection, working and auxiliary gas and mixed gas (hereinafter referred to as "protection gas").

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 mixed composition A gas containing two or more effective components. [GB/T 13005-2011, definition 2.24] 2.2 Matrix gas The main component or single component gas in a mixed gas. 2.3 Component gas A component added to achieve mixed gas performance. 2.4 Type code The major and minor category codes of the mixed gas are shown in Table 1 and Table 2. 2.5 Nominal value The component percentage value reported by the manufacturer or supplier corresponds to the component given in the model. 2.6 container Cylinders, tank trucks and storage tanks used to transport and/or store pure gas or mixed gas in gaseous or liquid state.

3 Model

3.1 Model division Gas models are classified according to chemical properties and composition. 3.2 Model preparation method The protective gas model consists of three parts. 1) The first part. indicates the type code of the protective gas, which is composed of the major category code (see Table 1) and the small category code (see Table 2) ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39255-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39255-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39255-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39255-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.