ISO 8287:2021 pdf download – Magnesium and magnesium alloys — Unalloyed magnesium — Chemical composition.
8 General condition of the product The product shall have a clean surface in accordance with the agreement between the manufacturer and the purchaser, and shall be free from visible and internal defects to a level also agreed between the manufacturer and the purchaser. 9 Testing conditions 9.1 Inspection and acceptance 9.1.1 The product quality certificate should be filled in by the supplier. 9.1.2 The purchaser should retest the products received. If the results of the retest do not conform to this document or the purchase order, the purchaser should inform the supplier within 3 months from the date the products were received, and a solution should be reached between the supplier and the purchaser. 9.2 Batches Pure magnesium should be submitted to testing in batches; each consignment should be from the same issue of the melting furnace products. No limits exist on the weight of each single consignment. 10 Testing Analysis to ensure conformity with the chemical composition requirements given in Table 1 shall be carried out on samples taken by the manufacturer and representative of the material delivered. Test method of analysis shall be subject to an agreement between the manufacturer and the purchaser. 11 Rounding of results In recording the results of the chemical analysis, the result obtained for any property specified in this document shall be expressed to the same number of decimal places as the corresponding value in this document. Rounding shall be carried out as specified in ISO 80000-1:2009, B.2 and B.3. In B.3, it is left to the discretion of the manufacturer as to whether to use Rule A or B, unless the use of one of the rules has been agreed at the time of acceptance of the order.
12 Declaration of conformity and inspection documents If agreed between the manufacturer and the purchaser or when specified on the order, the manufacturer shall provide a declaration of product conformity or an inspection document listing the results of the analysis of the chemical elements given in Table 1, and of any other element which may have been previously agreed upon. 13 Marking Unless otherwise agreed, each product, or bundle of products, shall be clearly marked with the following: a) manufacturer’s identification, molten furnace number, and mark of test on each ingot; b) each bundle should have a bright colour, waterproofing, a label that does not fall off easily and on which is clearly marked the smelting number, bunch of numbers, net weight, number of ingots, designation, manufacturing date, place of origin, and manufacturer’s logo.