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GB/T 28372-2012: Ferroalloys -- Sampling and preparation of samples -- General rules
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Ferroalloys -- Sampling and preparation of samples -- General rules
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GB/T 28372-2012
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Basic data | Standard ID | GB/T 28372-2012 (GB/T28372-2012) | | Description (Translated English) | Ferroalloys -- Sampling and preparation of samples -- General rules | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H42 | | Classification of International Standard | 77.100 | | Word Count Estimation | 18,124 | | Quoted Standard | GB/T 13247; GB/T 18249; GB/T 28369 | | Adopted Standard | ISO 3713-1987, MOD | | Regulation (derived from) | National Standards Bulletin No. 9 of 2012 | | 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 provides all types of ferroalloys General sampling and sample preparation. This standard specifies the method is suitable for the loading or unloading of bulk and packaged for delivery in the form of two kinds of batch samples were taken, bu | GB/T 28372-2012: Ferroalloys -- Sampling and preparation of samples -- General rules---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.
Ferroalloys.Sampling and preparation of samples.General rules
ICS 77.100
H42
National Standards of People's Republic of China
Ferroalloy sampling and sample preparation
(ISO 3713. 1987, MOD)
2012-05-11 release
2013-02-01 Implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is modified using ISO 3713. 1987 "Ferroalloy - Sampling and Sample Preparation - General" (English version).
This standard structure and technical content (except for normative references) are consistent with ISO 3713. 1987; normative references
GB/T 13247 instead of ISO 4551, GB/T 18249 instead of ISO 7347, GB/T 28369 instead of ISO 7087.
This standard is proposed by China Iron and Steel Industry Association.
This standard is under the jurisdiction of the National Technical Committee on Standardization of Pig Iron and Ferroalloys (SAC/TC318).
The drafting of this standard unit. Sinosteel Group Jilin Ferroalloy Co., Ltd., Metallurgical Industry Information Standards Institute.
The main drafters of this standard. Liu Xiancheng, Wang Shuang, Chen Zhibin.
Ferroalloy sampling and sample preparation
1 Scope
This standard specifies the general principles for sampling and sample all ferrous alloys.
The method stipulated in this standard applies to the bulk of the two forms of delivery for bulk and packaging at the time of loading or unloading, as well as for
In the form of a batch of material for the delivery of static heap.
This standard specifies both manual and mechanical sampling methods.
This standard is used in conjunction with the relevant standards for ferroalloys.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this
file. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 13247 Sampling and testing of particle size for ferroalloy products (GB/T 13247-1991, eqvISO 4551. 1987)
GB/T 18249 Test method for checking the sampling and sample deviation of ferroalloys (GB/T 18249-2000, eqvISO 7347. 1987)
GB/T 28369 Ferroalloy evaluation - Test method for quality fluctuation and inspection sampling accuracy (GB/T 28369-2012, ISO 7087.
1984, MOD)
3 terms and definitions
The following terms and definitions apply to this document.
3.1
Production lot lot
A batch of ferroalloys produced and processed under the assumed uniform conditions.
3.2
Consignment consignment
A delivery process, the same production process, and chemical composition and particle size within a certain range, and with the corresponding ferroalloy quality certificate
A certain amount of iron alloy.
3.3
Packing unit packedunit
With the box, barrels and other containers were loaded part of the delivery batch.
3.4
Increment
A large number of ferroalloys are taken out of a batch of goods by hand or by a sampling device or in a packaging unit.
3.5
Sub-sample sub-sample
From the delivery of part of the ferroalloy, to obtain two or more copies of the sample composition.
3.6
Big sample grosssample
From the delivery batch of ferrous alloys, made of all samples or samples made of samples.
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