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GB/T 3457-2013 English PDF

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Q: Should I purchase the latest version GB/T 3457-2013?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3457-2013 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 3457-2013: Tungstic oxide
Status: Valid

GB/T 3457: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3457-2013	169	Add to Cart	3 days	Tungstic oxide	Valid
GB/T 3457-1998	359	Add to Cart	3 days	Tungstic oxide	Obsolete
GB/T 3457-1982	RFQ	ASK	3 days	Technical requirements of tungsten trioxide	Obsolete

Similar standards

GB/T 4325.5 GB/T 4325.6 GB/T 4325.7 GB/T 3459 GB/T 3629 GB/T 3460

Basic data

Standard ID: GB/T 3457-2013 (GB/T3457-2013)
Description (Translated English): Tungstic oxide
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.150
Word Count Estimation: 7,795
Older Standard (superseded by this standard): GB/T 3457-1998
Quoted Standard: GB/T 1479.1; GB/T 3249; GB/T 5314; 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
Regulation (derived from): National Standards Bulletin 2013 No. 23
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 tungsten oxide requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and contract (or order form) content. This standard applies to tungsten trioxide (referred to as yel

GB/T 3457-2013: Tungstic oxide

---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.
Tungstic oxide ICS 77.150 H63 National Standards of People's Republic of China Replacing GB/T 3457-1998 Tungsten oxide Issued on. 2013-11-27 2014-08-01 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. This standard replaces GB/T 3457-1998 "tungsten oxide", as compared with the present standard GB/T 3457-1998, the main changes are as follows. --- Increasing the purple tungsten oxide grades. WO2.72-0, WO2.72-1; --- Tungsten oxide increases the purple grade. Super Grade; --- Cancellation lower grades WO3-2, WOx-2 grades; --- WO3-0, WOx-0 adjusted As, Fe, Mn, P index of impurity elements; --- WO3-1, WOx-1 adjusted As, Fe, Mo, Na, P impurity element five indicators; --- Purple tungsten oxide increases the chemical composition, phase composition and appearance quality requirements; --- Delete the original standard in Appendix A. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is mainly drafted by. Chenzhou Diamond Tungsten Products Co., Ltd., Xiamen Golden Egret Special Alloy Co., Ltd., Xiamen Tungsten Shares Ltd., Zhuzhou Cemented Carbide Group Limited. The main drafters of this standard. Jiangwen Wei, Li Chun-hai, Liang Weidong, Lin Gaoan, Shou-wide, even paper money, Liaozhang Cong, Fan Zhirui to Zhihong. This standard replaces the previous version of the release of the case. --- GB/T 3457-1982; --- GB/T 3457-1998. Tungsten oxide

1 Scope

This standard specifies the tungsten oxide requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and contract (or Orders) content. This standard applies to tungsten trioxide (referred to as the yellow tungsten), tungsten blue oxide (referred to as the blue tungsten), purple tungsten oxide (referred to as the purple tungsten).

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. Determination of GB/T 1479.1 metal powder bulk density - Part 1. funnel method GB/T 3249 Determination of metals and their compounds Fisher particle size powder GB/T 4324 (all parts), chemical analysis of tungsten GB/T 5314 sampling powder metallurgy method

3 Requirements

Grade 3.1 Tungsten oxide grades and grade are shown in Table 1. Table 1 grades and grade tungsten oxide Acronym grade grade Huang tungsten WO3-0 Premium WO3-1 a Blue tungsten WOx-0 grade WOx-1 a Purple tungsten WO2.72-0 Premium WO2.72-1 a 3.2 Chemical composition Tungsten oxide chemical composition shall comply with the requirements of Table 2. 3.3 phase Phase composition of tungsten blue, WO2.72 should not exceed 5%. Phase composition of purple tungsten, WO2.72≥95%. 3.4 size The product's size negotiated fee determined by supply and demand, the product should be through 180μm (80 mesh) sieve. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 3457-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 3457-2013_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 3457-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 3457-2013_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.

Question 5: Should I purchase the latest version GB/T 3457-2013?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3457-2013 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.