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GB/T 470-2008 English PDF

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GB/T 470-2008: Zinc ingots
Status: Valid

GB/T 470: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 470-2008English169 Add to Cart 3 days [Need to translate] Zinc ingots Valid GB/T 470-2008
GB/T 470-1997English279 Add to Cart 3 days [Need to translate] Zinc ingots Obsolete GB/T 470-1997
GB/T 470-1983EnglishRFQ ASK 3 days [Need to translate] Zinc ingots Obsolete GB/T 470-1983

PDF similar to GB/T 470-2008


Standard similar to GB/T 470-2008

GB/T 469   GB/T 728   GB/T 1527   

Basic data

Standard ID GB/T 470-2008 (GB/T470-2008)
Description (Translated English) Zinc ingots
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H62
Classification of International Standard 77.150.40
Word Count Estimation 7,719
Date of Issue 2008-06-09
Date of Implementation 2008-12-01
Older Standard (superseded by this standard) GB/T 470-1997
Quoted Standard GB/T 1250; GB/T 8170; GB/T 12689 (all)
Adopted Standard ISO 752-2004, MOD
Regulation (derived from) National Standard Approval Announcement 2008 No.9 (Total No.122)
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 requirements for zinc ingots, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to zinc concentrate and zinc materials as raw materials by distillation, distillation method or electrolytic production of zinc ingots. Primarily for galvanizing, alloys, chemical, electrical and other industrial departments.

GB/T 470-2008: Zinc ingots

---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.
Zinc ingots ICS 77.150.40 H62 National Standards of People's Republic of China Replacing GB/T 470-1997 Zinc (ISO 752.2004, MOD) Posted 2008-06-09 2008-12-01 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 752.2004 (E) "zinc." On the main technical indicators and ISO 752.2004 is basically the same, but some More detailed and specific content, write structure does not correspond exactly. This standard reg number and table number ISO clauses in Appendix A. This standard and ISO 752.2004 (E) "zinc" The main technical differences are as follows. --- Delete definitions of terms a chapter; --- Normative references chapter of the standard; --- Sampling method did not use sampling international standards referenced ISO 752; --- Color flag still using domestic original logo. This standard replaces GB/T 470-1997 "zinc." Compared with GB/T 470-1997, the main changes in this standard are as follows. --- Canceled arsenic, antimony requirements. --- Zn99.995, Zn99.99 Zn99.95 and aluminum content were modified to not more than 0.001%, 0.002% and 0.01%, and sodium The chemical composition table. --- Zn98.7 modify Zn98.5. --- Zn99.95, Zn99.5, lead, cadmium, iron, copper, tin, aluminum content Zn98.5 were made by the appropriate changes. --- Increased production method of sampling. Appendix A of this standard is an informative annex. The standard proposed by China Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard by Huludao Nonferrous Metals Group Co., Ltd., China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting. This standard by Zhuzhou Smelter Group Co., Ltd. participated in the drafting. The main drafters of this standard. Li Jun, Fu Yuesheng, cold Greek school, Zhu Dongping, Tan Yi-Wen, Li printed map, left Baochang, Mengqing Wu, Luo cheap raw, Miao Hua Lei. This standard replaces the standards previously issued as follows. --- GB/T 470-1983, GB/T 470-1997. Zinc

1 Scope

This standard specifies the requirements for zinc, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to zinc concentrate and zinc as raw material, by distillation, rectification or electrolytic production of zinc ingots. Mainly for zinc, Alloy, chemical, electrical and other industries use.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. Every note's reference documents, all later Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Study whether the latest versions of these documents. Those who do not note's reference documents, the latest versions apply to this standard. Representation GB/T 1250 limit values \u200b\u200band the method of determining GB/T 8170 numerical rounding rules GB/T 12689 (all parts) of zinc and zinc alloys -

3 Requirements

3.1 Categories Zinc ingots chemical composition is divided into five grades. Zn99.995, Zn99.99, Zn99.95, Zn99.5, Zn98.5. 3.2 Chemical composition Chemical composition of zinc should meet the requirements in Table 1. Table 1 chemical composition of zinc ingots Trademark Chemical composition (mass fraction) /% Zn not less than Impurity, not more than Pb Cd Fe Cu Sn the sum of Al Zn99.995 99.995 0.003 0.002 0.001 0.001 0.001 0.001 0.005 Zn99.99 99.99 0.005 0.003 0.003 0.002 0.001 0.002 0.01 Zn99.95 99.95 0.030 0.01 0.02 0.002 0.001 0.01 0.05 Zn99.5 99.5 0.45 0.01 0.05 - - - 0.5 Zn98.5 98.5 1.4 0.01 0.05 - - - 1.5 3.3 When used in hot-dip coating industry, Zn99.995 grades of aluminum ingot is not involved in impurity reduction. 3.4 zinc content of 100% minus the impurities listed in Table 1, the sum of the measured values \u200b\u200bof the balance. 3.5 on the demand side, such as the chemical composition of zinc ingots have special requirements, agreed upon by both parties. 3.6 zinc surface does not allow Cave, shrinkage, mezzanine, scum and foreign inclusions, but allowed the natural oxide film. 3.7 single ingot weight 18kg ~ 30kg. The bottom surface of the ingot casting and allow the grooved legs, easy to use and container. 3.8 As for the demand side of the ingot shape, weight, there are special requirements, agreed upon by both parties. Test Method 4 Arbitration chemical composition analysis by ingot 4.1 GB/T 12689 in the relevant provisions.

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