Round 10 mm copper M1 GOST 1535-2006
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- Country of manufactureRussia
Until 2008, all the requirements for the production of copper circles 10mm M1 GOST 1535-2006, in particular to the raw material, processing methods and rules of acceptance, regulated standard developed and adopted in 1981 and received the number 1535. In 2006, the existing standard STATE outdated, and it has been updated. Currently, all companies that produce copper circles (bars) use GOST 1535-2006, which has a number of differences from the 1981 document goda.Suschestvuet three main methods by which are feedstock for the production of copper circles. Origin - remelting residues copper (scrap) as well as cathodes remelting, where phosphorus is added in the future. The second - the process of remelting marks M1 cathodes. Third - melting and refining of copper cathodes and scrap marks M2 and M3.