Господа, не очень хорошо разбираюсь в марках стали....Кто разбирается, скажите плюсы и минусы стали используемой в рельсах. Стоит ли из данной стали...
Марочник сталей и сплавов (справочник) - состав, свойства, заменители s-metall.com.ua.
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