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in november 2015, manufacturing of new steel started, and the first high-rolled products were produced: Н350 (hardness of 350 hbw), Н400 (400 hbw) and Н450 (450 hbw).
В ноябре 2015 осуществлена выплавка новой марки стали, из которой получены первые горячекатаные раскаты Н350 (твердость 350 hbw), Н400 (400 hbw) и Н450 (450 hbw).