EN ISO 6501-2020 pdf download.Ferronickel – Specification and delivery requirements (ISO 6501:2020).
5.2.4 Ferronickel in the form of shot
The size of the shot obtained by shotting of liquid material should be within a range of 2 mm to 50 mm.
The ferronickel shot shall be delivered after drying.
Lots generally delivered in bulk may be formed in three different ways:
— from material stocked individually from each tapping operation;
— by reclaiming from blended storage; in this case, the Kto (K+ n) % range of the nickel content of the blended material may be selected with values of n up to 5;
— by reclaiming from unblended storage; in this case, n shall not exceed 1.
5.3 Contamination
The material shall be as tree as possible from surface contaminants such as slag, sand, etc.
6 Control
6.1 General
Sampling and analysis procedures shall be carried out in accordance with relevant International Standards, in particular 150 8049 for the sampling of ferronickel shot, 150 8050 for the sampling of ferronickel ingot or pieces, ISO 14284 for the sampling and preparation of samples for analysis of steel and iron applicable for ferronickel in molten stage, and ISO 6352 for the determination of nickel content. Other procedures giving the same accuracy may be agreed upon between the supplier and the purchaser, and the arbitrator in the case of an arbitration procedure.
6.2 Sampling for analysis
6.2.1 During sampling procedures, representatives of both parties may be present, wherever sampling is carried out.
6.2.2 In case of dispute, one of the procedures described in &4 may be adopted.
6.3 Analysis
6.3.1 Ferronickel furnished with analysis certificate
The certificate, established by the supplier, gives the nickel content as specified in laDle I ana, it agreed, the content of other elements specified either in Table 2 or additionally agreed.
In case of dispute, the two parties may use the procedures described in A either for analysis only or for sampling and analysis.
6.3.2 Ferronickel settled with exchange analysis
When an exchange of analysis is decided on by the two parties, the values resulting from analysis of the samples obtained under 6.2.1 for nickel content, and possibly for the content of other elements, shall be exchanged.
If the differences between the results of the analyses of the two parties do not exceed the agreed splitting limits, the mean value shall be accepted.
If the differences exceed splitting limits, the two parties may use the procedures described in 6A either for analysis only or for sampling and analysis.EN ISO 6501 pdf download.