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GB/T 4009-2008 English PDF

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Q: Should I purchase the latest version GB/T 4009-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4009-2008 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$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4009-2008: Chromium silicon
Status: Valid

GB/T 4009: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4009-2008	189	Add to Cart	3 days	Chromium silicon	Valid
GB/T 4009-1989	199	Add to Cart	2 days	Chromium silicon	Obsolete

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Basic data

Standard ID: GB/T 4009-2008 (GB/T4009-2008)
Description (Translated English): Chromium silicon
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H42
Classification of International Standard: 77.100
Word Count Estimation: 8,872
Date of Issue: 2008-08-05
Date of Implementation: 2009-04-01
Older Standard (superseded by this standard): GB/T 4009-1989
Quoted Standard: GB/T 3650; GB/T 4010; GB/T 4699.2; GB/T 4699.3; GB/T 4699.4; GB/T 4699.6; GB/T 5687.2; GB/T 13247
Adopted Standard: ISO 5449-1980, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.14 (Total No.127)
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 technical requirements for silicon-chromium alloys, test methods, inspection rules, and packaging, marking and quality certification, storage. This standard applies to steel and cast as a reducing agent and alloying agent, as a reducing agent when refining ferrochrome silicon -chromium alloy.

GB/T 4009-2008: Chromium silicon

---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.
Chromium silicon ICS 77.100 H42 National Standards of People's Republic of China Replacing GB/T 4009-1989 SILICOCHROMIUM (ISO 5449. 1980, Ferrosilicochromium- Specificationandconditionsofdelivery, MOD) Posted 2008-08-05 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 5449. 1980 "SILICOCHROMIUM --- specifications and delivery conditions" (in English). This standard is based on ISO 5449. 1980 re-drafted. For ease of comparison, listed in Appendix A of this standard and reg number ISO 5449. 1980 reg control list numbered. Taking into account China's national conditions, the use of this standard in the ISO 5449. 1980 when modified. The technical differences between a single vertical line identification They are involved in terms of margin. In Appendix B gives a list of the technical differences and the reasons for the reference. For ease of use, the ISO 5449. 1980, this standard also made the following editorial changes. --- The "this International Standard" be replaced by "this standard"; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Delete ISO 5449. 1980 Foreword. This standard replaces GB/T 4009-1989 "SILICOCHROMIUM." This standard and GB/T 4009-1989 comparison, the main changes are as follows. --- Increasing the standard preface; --- Increasing the normative references; --- Adjust the presentation of the group batches; --- Increased in Appendices A and B. Appendix A of this standard and Appendix B is an informative annex. The standard proposed by China Iron and Steel Association. This standard by the National Standardization Technical Committee of pig iron and ferroalloy. This standard was drafted. China Steel Group Co., Ltd., Metallurgical Industry Information Standards Institute Jilin Ferroalloy. The main drafters of this standard. Wang Shuang, Cheng Zhiguo, Zhang Rui Xiang. This standard replaces the standards previously issued as follows. --- GB/T 4009-1983, GB/T 4009-1989. SILICOCHROMIUM

1 Scope

This standard specifies the technical requirements for silicon-chromium alloy, test methods, inspection rules and packaging, storage and transportation, marking and certification. This standard applies to steelmaking and casting as a reducing agent and an alloying agent, as a reducing agent refining ferrochrome silicon chromium alloy.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. General provisions GB/T 3650 inspection, packing, storage and transportation, marking and certification of GB/T 4010 alloy chemical analysis and preparation of samples (GB/T 4010-1994, neq ISO 4552. 1987) Determination of GB/T 4699.2 ferrochromium and silicon chromium alloy chromium content of ammonium persulfate oxidation titration and potentiometric titration (GB/T 4699.2-2008, ISO 4140. 1979, MOD) GB/T 4699.3 chromium iron, chrome and silicon nitride ferrochrome Determination of phosphorus content by bismuth phosphomolybdate blue spectrophotometric method and the molybdenum blue spectrophotometric DEGREE GB/T 4699.4 ferrochrome, chrome silicon carbon content - Infrared absorption method and gravimetric method GB/T 4699.6 ferrochrome, chrome silicon sulfur content - Infrared absorption method and combustion titration method GB/T 5687.2 ferrochrome, chrome and determination of silicon nitride ferrochrome silicon content of perchloric acid dehydration gravimetric method (GB/T 5687.2- 2007, ISO 4158. 1978, MOD) GB/T 13247 ferroalloy product size sampling and detection methods (GB/T 13247-1991, neq ISO 4551. 1987)

3 Technical requirements

3.1 Grades and chemical composition 3.1.1 SILICOCHROMIUM by silicon and chromium and impurity content, divided into five grades, chemical composition shall comply with the requirements in Table 1. Table 1 Grades and chemical composition Trademark Chemical composition (mass fraction) /% Si Cr C Ⅰ Ⅱ Not less than Not more than FeCr30Si40-A 40.0 30.0 0.02 0.02 0.04 0.01 FeCr30Si40-B 40.0 30.0 0.04 0.02 0.04 0.01 FeCr30Si40-C 40.0 30.0 0.06 0.02 0.04 0.01 FeCr30Si40-D 40.0 30.0 0.10 0.02 0.04 0.01 FeCr32Si35 35.0 32.0 1.0 0.02 0.04 0.01 3.1.2 demand side of Table 1, the chemical composition or arsenic, antimony, bismuth, tin, lead elements have special requirements, be negotiated by both parties. 3.2 size 3.2.1 silicon chromium alloy with bulk or granular delivery, the size requirements should be consistent with the provisions of Table 2. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4009-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4009-2008_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 4009-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4009-2008_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 4009-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4009-2008 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.