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YS/T 857-2012: Silver bar
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 857-2012 | English | 189 |
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Silver bar
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YS/T 857-2012
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Basic data | Standard ID | YS/T 857-2012 (YS/T857-2012) | | Description (Translated English) | Silver bar | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H68 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 7,758 | | Quoted Standard | GB/T 4135; GB/T 8170; GB/T 11067.1; GB/T 11067.2; GB/T 11067.3; GB/T 11067.4; GB/T 11067.5; GB/T 11067.6 | | Regulation (derived from) | Ministry of Industry and Information Technology Bulletin 2012 No. 70; industry standard filing Notice 2013 No. 3 (total 159) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the requirements for silver bullion, test methods, inspection rules and signs, packaging, transportation, storage, quality certificates and contracts (or purchase order content). This standard applies to the purity of not less than | YS/T 857-2012: Silver bar---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.
Silver bar
ICS 77.120.99
H68
People's Republic of China Nonferrous Metals Industry Standard
silver bullion
Issued on. 2012-12-28
2013-06-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. Shandong Zhaojin Gold and Silver Refining Co., China Nonferrous Metals Industry Institute of Standards and Metrology and Quality.
Participated in the drafting of this standard. Yunnan Copper Co., Ltd. smelting processing plant, Yuguang Gold & Lead Co., Ltd., Sichuan days Ze expensive
Metal limited liability company, Zijin Mining Group Co., Ltd.
The main drafters of this standard. Mian Zhang Hui, Zhuang Yukai, to Lei, Chen Liyang, He Yongning, Wu Zhiqing, accounting Liao Pi, Yan Hong, Zhao Bo, Dong Jie,
Xu Liang Yang, Yangxi Rong, Liu Junjie.
silver bullion
1 Scope
This standard specifies the requirements for silver bullion, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and contract (or order
Manifest content).
This standard applies to a purity of not less than 99.99% of the casting, casting or suppression of the production of silver bullion products.
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.
GB/T 4135 Silver
GB/T 8170 repair value expressed about the rules and limit values and judgment
GB/T 11067 (all parts), chemical analysis of silver
3 Requirements
3.1 Classification
Pressed into the production process and silver bullion Pl-Ag99.99 casting, casting silver bullion IC-Ag99.99.
3.2 Chemical composition
3.2.1 The chemical composition of silver bullion in line with GB T 4135 in IC-Ag99.99 provisions /.
3.2.2 demand side, such as the chemical composition of silver bullion have special requirements, both parties determined by supply and demand.
3.3 Physical Specifications
3.3.1 bullion weight 20g, 50g, 100g, 200g, 500g, 1000g, 2000g, 5000g. Silver bullion weight without negative deviation.
3.3.2 bullion bottom and four sides of a rectangle.
3.3.3 bullion size should meet the requirements of Table 1, casting, casting silver bullion and the surrounding surface corner quadrangular transition should be smooth. By both sides
Consultation provides additional product specifications.
Table 1 Dimensions and tolerances
No. Nominal weight/g Process L × W/(mm × mm) Tolerance/mm
15000 casting, casting 195 × 90 ± 2
22000 casting, casting 150 × 60 ± 2
31000 casting, casting 130 × 52 ± 2
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