GB/T 31908-2015 English PDF

US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31908-2015: Tungsten electrodes for arc welding and plasma welding and cutting
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31908-2015	259	Add to Cart	3 days	Tungsten electrodes for arc welding and plasma welding and cutting	Valid

Similar standards

GB/T 41875   GB/T 37204   GB/T 26283   GB/T 44327   GB/T 23271   

Basic data

Standard ID: GB/T 31908-2015 (GB/T31908-2015)
Description (Translated English): Tungsten electrodes for arc welding and plasma welding and cutting
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.150.99
Word Count Estimation: 12,185
Date of Issue: 2015-09-11
Date of Implementation: 2016-06-01
Quoted Standard: GB/T 4324.1; GB/T 4324.2; GB/T 4324.3; GB/T 4324.4; GB/T 4324.5; GB/T 4324.6; GB/T 4324.7; GB/T 4324.8; GB/T 4324.9; GB/T 4324.10; GB/T 4324.11; GB/T 4324.12; GB/T 4324.13; GB/T 4324.14; GB/T 4324.15; GB/T 4324.16; GB/T 4324.17; GB/T 4324.18; GB/T 4324.19; GB/T 4324.20; GB/T 4324.21; GB/T 4324.22; GB/T 4324.23; GB/T 4324.24; GB/T 4324.25; GB/T 4324.26; GB/T 4324.27; GB/T 4324.28; YS/T 500; YS/T 501
Regulation (derived from): National Standard Announcement 2015 No.25
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the arc and plasma welding and cutting requirements of the tungsten electrode materials, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and purchase order (or contract) content. This Standard applies to the inert gas shielded arc welding and plasma welding, cutting, spraying, melting tungsten electrode.

GB/T 31908-2015: Tungsten electrodes for arc welding and plasma 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.
Tungsten electrodes for arc welding and plasma welding and cutting ICS 77.150.99 H63 National Standards of People's Republic of China Arc welding and plasma welding, cutting with tungsten electrode Issued on. 2015-09-11 2016-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Nonferrous Metals Industry Association. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. North Mine New Material Technology Co., Ltd., Beijing Polytechnic University, Beijing Tianlong tungsten and molybdenum Technology Co., Ltd., Shandong, China Tungsten and molybdenum Co., Ltd., Beijing General Research Institute of Mining and Metallurgy. The main drafters of this standard. in the moonlight, Nie Zuoren, Zhang Deming, Peng Ying, Wang Lu Yan, Liu Jun, Yang ginseng, Su Guoping at Aifang. Arc welding and plasma welding, cutting with tungsten electrode

1 Scope

This standard specifies the arc welding and plasma welding, cutting with tungsten electrode material requirements, test methods, inspection rules, marking, packaging, transportation Transport, storage, quality certificate and purchase order (or contract) content. This standard applies to the inert gas shielded arc welding and plasma welding, cutting, spraying, melting tungsten electrode.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 4324 (all parts), chemical analysis of tungsten YS/T 500 Determination of tungsten alloy cerium cerium oxide content reduction titration YS/T 501 tungsten alloy thorium dioxide thorium Gravimetric method

3 Requirements

3.1 Product classification and identification 3.1.1 Supply status classification Tungsten electrodes as supplied state can be divided into light and dark bar rod. rod is the use of grinding, polishing and other surface treatment, the surface is metallic luster; the black pole After the plastic processing is not subjected to surface treatment, the surface oxide layer or a graphite drawing milk and so on. 3.1.2 Classification by chemical composition Tungsten Grades by chemical composition into WP, WC20, WT10, WT20, WT30, WT40, WZ3, WZ8, WL10, WL15, WL20, WY20, WX10, WX20, WX30, WX40 total of 16 grades. Grades that way. The first letter indicates the main elements of tungsten, tungsten electrodes marked with the symbol for uppercase W; second letter indicates Doped oxide type, usually marked with the symbol doping element name initials, pure tungsten electrode free of other additives, compared with P, Multiple composite rare earth tungsten electrode more rare earth oxides of X; symbol numbers indicate the nominal content of tungsten electrodes doped oxides One thousand score. It represents a major element tungsten tungsten electrode, marked with the symbol uppercase W Letters doped oxide type, usually marked with the symbol doping element name initials, pure tungsten Electrode without other additives, compared with P, multiple composite rare earth tungsten electrode more rare earth oxides of X ×× Digital content on behalf of an oxide doped tungsten electrode thousand scores Example. Cerium tungsten electrodes WC20. Wherein W --- representatives of the main content of tungsten; C --- rare earth-doped cerium; 20 --- doping amount of rare earth oxide is about 20 ‰. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31908-2015_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31908-2015_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 31908-2015_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31908-2015_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.