1 Prezentul standard ,-e refer? la o?elurile carbon, .slab aliate ?i mediu aliate rezistente 3a temperaturi ridicate (p?n? la r>75°C), turnate ?n piese.
2 Principalele domenii de utilizare ale m?rcilor de o?eluri rezistente la temperaturi ridicate s?
STAS 12404-1985 history
1985STAS 12404-1985 HIGH TEMPERATURE RESISTANT CARBON, LOW AND MEDIUM ALLOYED STEELS IN CASTINGS Grades and technical requirements for quality