GB/T 6516-2010 PDF English
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Electrolytic nickel
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| GB/T 6516-1997 | English | 239 |
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PDF Preview: GB/T 6516-2010
GB/T 6516-2010: PDF in English (GBT 6516-2010) GB/T 6516-2010
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.150.40
H 62
Replacing GB/T 6516-1997
Electrolytic nickel
ISSUED ON: JANUARY 10, 2011
IMPLEMENTED ON: OCTOBER 01, 2011
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine of PRC;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Requirements ... 4
4 Test methods ... 6
5 Inspection rules ... 6
6 Packaging, marking, transportation, storage, quality certificates ... 7
7 Content of contract (or order form) ... 8
Electrolytic nickel
1 Scope
This standard specifies the requirements, inspection methods, inspection rules,
packaging, marking, transportation, storage, quality certificates, contract
content for (including nickel).
This standard applies to the electrolytic nickel for stainless steel, nickel-based
alloys, alloy steel, electroplated nickel.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 8170 Rules of rounding off for numerical values & expression and
judgement of limiting values
GB/T 8647 (all parts) The methods for chemical analysis of nickel
GB/T 26022 Sampling of refined nickel (ISO 7156:1991, MOD)
3 Requirements
3.1 Classification of products
Electrolytic nickel is, according to its chemical composition, divided into five
designations: Ni9999, Ni9996, Ni9990, Ni9950, and Ni9920.
3.2 Chemical composition
The chemical composition of electrolytic nickel shall comply with the
requirements of Table 1.
the supplier and the purchaser.
3.4.2 After consultation between the supplier and the purchaser, and as
indicated in the contract, electrolytic nickel may also be cut into strips and
blocks for supply.
4 Test methods
4.1 Analysis of chemical composition is carried out according to the method as
specified in GB/T 8647.
4.2 Surface quality is visually inspected.
5 Inspection rules
5.1 Inspection and acceptance
5.1.1 The product shall be inspected by the supplier's quality inspection
department, to ensure that the product meets the requirements of this standard.
Meanwhile it shall fill in the quality certificate.
5.1.2 The purchaser may inspect the products received. If the inspection results
are inconsistent with the contents of the quality certificate, they may be
submitted to the supplier within 30 days from the date of receipt of the product,
to be settled by negotiation between the supplier and the purchaser. If
arbitration is required, the arbitration sample shall be taken by the supplier and
the purchaser on the purchaser's premise.
5.2 Group-batch
Products shall be submitted for inspection in batches. Each batch of products
shall be composed of the same circulation system, the same production cycle,
the same designation of products.
5.3 Inspection items and sampling quantities
5.3.1 The chemical composition is inspected batch by batch. The surface quality
is inspected piece by piece.
5.3.2 The quantity of test samples for chemical composition shall be according
to the provisions for the sampling method of refined nickel in GB/T 26022.
5.4 Determination of inspection results
5.4.1 The analysis results shall be judged after rounding-off according to the
method as specified in GB/T 8170.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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