Low Alloy Steel Disk (0.39% C)

SS-CRM 112 is a low alloy steel sold in the form of discs 44mm in diameter and either 19mm or 50mm thick. It is also available in chip form as BCS-CRM 112. The preparation of representative samples for chemical analysis and the certification by co-operative analysis was undertaken by Bureau of Analysed Samples Ltd (BAS). BAS is a United Kingdom Accreditation Service (UKAS) Accredited Reference Material Producer, No 4004, and, as the Producer of SS-CRM 112 as defined in ISO Guide 34:2009 section 3.1, is fully responsible for assigning the certified values and their uncertainties in accordance with ISO Guides 34:2009 and 35:2006. This material was originally certified in 2001, before BAS accreditation to ISO Guide 34 in 2006. However, following an extensive review of the certification of this SS-CRM, it has been established that the procedures used were exactly the same as those which have since been accredited and that therefore SS-CRM 112 can be issued under the ISO Guide 34 Accreditation.

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