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News
For the tinplate steel sheets supplier sino east group has a big developing in 2015.
The determination of hardness, tinplate tinplate prices :
Hardness testing of tinplate mostly using a table surface Rockwell hardness tester, using ordinary steel flat anvil, testing the hardness of HR30T.
Over the years, as a national standard GB/T2520-2000 tinplate began using the generic HR30Tm hardness on the international representation, so the domestic have already started using diamond anvil, tinplate HR30Tm hardness test.
However, testing the hardness of HR30Tm need a diamond anvil, and the domesticRockwell hardness have such little accessories can choose. The diamond anvil appropriate to buy, the surface hardness meter and expensive desktop. Therefore, the hardness of HR30Tm said application OK method in the domestic tinplate industry is not universal. Especially in the use of tinplate manufacturers, although it also means unconscious oftinplate hardness is very important, it should be related to the quality of the processed products, related to the production efficiency and enterprise benefit. But the majority of enterprises are not for hardness test of tinplate material purchase.
Tinplate steel sheets supplier make order more than 50000 tons this three month from 2015 .