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GB/T 3211-2023: Metal chrome
Status: Valid GB/T 3211: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 3211-2023 | English | 189 |
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3 days [Need to translate]
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Metal chrome
| Valid |
GB/T 3211-2023
|
| GB/T 3211-2008 | English | 719 |
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4 days [Need to translate]
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Metal Chrome
| Obsolete |
GB/T 3211-2008
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| GB/T 3211-1987 | English | 199 |
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2 days [Need to translate]
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Chromium metal
| Obsolete |
GB/T 3211-1987
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PDF similar to GB/T 3211-2023
Standard similar to GB/T 3211-2023 GB/T 4008 GB/T 2272 GB/T 3649 GB/T 3648 Basic data | Standard ID | GB/T 3211-2023 (GB/T3211-2023) | | Description (Translated English) | Metal chrome | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H42 | | Classification of International Standard | 77.100 | | Word Count Estimation | 10,114 | | Date of Issue | 2023-09-07 | | Date of Implementation | 2024-04-01 | | Older Standard (superseded by this standard) | GB/T 3211-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 3211-2023: Metal chrome---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.
ICS 77.100
CCSH42
National Standards of People's Republic of China
Replace GB/T 3211-2008
metal chromium
Published on 2023-09-07
2024-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document replaces GB/T 3211-2008 "Metal Chromium". Compared with GB/T 3211-2008, except for structural adjustments and editorial changes
In addition, the main technical changes are as follows.
a) Added metal chromium grades (see 4.1.1);
b) The chemical composition of some metallic chromium grades has been changed (see 4.1.2, 3.1.2 of the.2008 edition);
c) The chemical analysis methods of some elements of metallic chromium have been changed (see 5.2, 4.2 of the.2008 edition);
d) The types of metallic chromium packaging items have been changed (see 7.1, 6.1 of the.2008 edition).
This document is modified to adopt ISO 10387.1994 "Metal Chromium Specifications and Delivery Conditions".
Compared with ISO 10387.1994, this document has many structural adjustments. A list of structure number changes between the two files is attached.
Record A.
Compared with ISO 10387.1994, this document has many technical differences. Vertical text is used in the outer margin of the involved clauses.
Single lines (|) are marked. A list of these technical differences and their causes is provided in Appendix B.
The following editorial changes have been made to this document.
The name of this document is changed from "Technical Delivery Conditions for Metal Chromium" to "Metal Chromium".
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by the China Iron and Steel Industry Association.
This document is under the jurisdiction of the National Pig Iron and Ferroalloy Standardization Technical Committee (SAC/TC318).
This document was drafted by. CITIC Jinzhou Metal Co., Ltd., Jinzhou Vanadium Industry Co., Ltd., Sichuan Galaxy Chemical Co., Ltd.
Company, Jinzhou Jixin Industrial Co., Ltd., Jitie Ferroalloy Co., Ltd., Hebei Jinxi International Trade Co., Ltd., Qingdao Dehong Jinxin Technology
Technology Co., Ltd., Fushun Special Steel Co., Ltd., and Metallurgical Industry Information Standards Research Institute.
The main drafters of this document. Cui Chuanhai, Li Jie, Ma Yuncan, Jin Shaoxiang, Lu Xuemei, Wu Yinjun, Ma Chao, Wang Min, Zhang Xiaomei, Zhang Xiaohua,
Liu Fei, Gu Qiang, Wang Li, Mu Tong, Li Jinglin, Li Fang, Wang Liang, Liu Bing, Li Xin, Liu Jinfeng, Ye Xiaoshuang, Zhang Chen, Liu Yanting.
This document was first published in 1982, revised for the first time in 1987, revised for the second time in.2008, and this is the third revision.
metal chromium
1 Scope
This document specifies the requirements, test methods, inspection rules, packaging, storage and transportation, marking and quality certificates for metallic chromium.
This document applies to chromium metal produced by thermite method.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 3650 General provisions for acceptance, packaging, storage and transportation, marking and quality certificates of ferroalloys
GB/T 4010 Collection and preparation of samples for chemical analysis of ferroalloys [ISO 4552 (all parts)]
Note. GB/T 4010-2015 Collection and preparation of samples for chemical analysis of iron alloys (ISO 4552-1.1987, ISO 4552-2.1987, MOD).
GB/T 4702.2 Determination of metallic chromium and silicon content perchloric acid gravimetric method
GB/T 4702.3 Determination of metallic chromium and phosphorus content bismuth phosphorus molybdenum blue spectrophotometry
GB/T 4702.4 Determination of metallic ferrochromium content by disodium ethylenediaminetetraacetate titration and flame atomic absorption spectrometry
GB/T 4702.5 Determination of metallic chromium and aluminum content by disodium ethylenediaminetetraacetate titration and flame atomic absorption spectrometry
GB/T 4702.6 Determination of metallic ferrochromium, aluminum, silicon and copper content by inductively coupled plasma atomic emission spectrometry
GB/T 4702.7 Determination of metallic chromium nitrogen content by distillation and separation - Nessler reagent spectrophotometry
GB/T 4702.8 Methods for chemical analysis of metallic chromium - distillation - determination of arsenic content by molybdenum blue spectrophotometry
GB/T 4702.9 Chemical analysis method for metallic chromium Determination of antimony content by crystal violet spectrophotometry
GB/T 4702.10 Methods for chemical analysis of metallic chromium - Determination of copper content by copper reagent spectrophotometry
GB/T 4702.11 Chemical analysis method for metallic chromium Determination of tin content by alizarin violet spectrophotometry
GB/T 4702.14 Chemical analysis method for metallic chromium - Determination of carbon content by infrared absorption method
GB/T 4702.15 Determination of metallic chromium, lead, tin, bismuth, antimony and arsenic content by plasma mass spectrometry
GB/T 4702.16 Determination of metallic chromium and sulfur content by infrared absorption method and combustion neutralization titration method
GB/T 4702.17 Determination of oxygen, nitrogen and hydrogen content in metallic chromium by inert gas fusion infrared absorption method and thermal conductivity method
GB/T 8170 Numerical rounding rules and representation and determination of limit values
GB/T 13247 Sampling and testing methods for particle size of ferroalloy products
GB/T 14984 (all parts) Ferrous alloy terminology [ISO 8954 (all parts)]
Note. GB/T 14984.1-2010 Ferroalloy terminology Part 1.Materials (ISO 8954-1.1990, MOD);
GB/T 14984.2-2010 Ferroalloy terminology Part 2.Sampling and preparation (ISO 8954-2.1990, MOD);
GB/T 14984.3-2010 Ferroalloy terminology Part 3.Screening (ISO 8954-3.1990, MOD).
3 Terms and definitions
The terms and definitions defined in GB/T 14984 (all parts) apply to this document.
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