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Stainless steel tube representation method
Jun 26, 2017

① with the international chemical elements and symbols of the country to represent the chemical composition, with Arabic letters to represent the content of ingredients:

Such as: China, Russia 12CrNi3A

② with a fixed number of digits to represent the steel series or figures; such as: the United States, Japan, 300 series, 400 series, 200 series;

③ use the Latin alphabet and order to form the serial number, only that use.

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