YB/T 4582.11-2026Ferrosilicon nitride - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (English PDF)

YB/T 4582.11-2026 is the English-translated version of 氮化硅铁 氮含量的测定 惰性气体熔融热导法.

YB/T 4582.11-2026 specifies a method for determining the nitrogen content of ferrosilicon nitride by thermal conductimetry after fusion in a current of inert gas. The sample is melted in an inert gas stream, the nitrogen is released, and its amount is measured by a thermal conductivity detector. The method applies to the determination of nitrogen in ferrosilicon nitride, with a measuring range (mass fraction) of 20.00% to 40.00%.

It is used by laboratories of ferroalloy producers, steelmakers who buy ferrosilicon nitride as an alloying addition, and independent testing laboratories that check delivered material. The standard is voluntary, as the /T in its code indicates. It was approved by the Ministry of Industry and Information Technology, issued on 15 July 2026 and takes effect on 1 February 2027. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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