特殊钢
特殊鋼
특수강
SPECIAL STEEL
2007年
6期
59-60
,共2页
耐候钢09CuPTiRE%连铸板坯%纵裂%工艺改进
耐候鋼09CuPTiRE%連鑄闆坯%縱裂%工藝改進
내후강09CuPTiRE%련주판배%종렬%공예개진
09CuPTiRE耐候钢(%:≤0.12C、0.06~0.12P、≤0.020S、0.25~0.50Cu、≤0.03Ti、0.01~0.04RE)180 mm×1 200 mm板坯由80 t转炉-钢包吹氩-板坯连铸机生产.通过控制Cu/Ti≤20、P含量≤0.11%、RE含量0.01%~0.03%,使用09CuPTiRE钢专用保护渣,结晶器液面波动≤10 mm,减少二冷配水量15%等工艺措施,使09CuPTiRE钢板坯纵裂发生率由15%降至0.5%.
09CuPTiRE耐候鋼(%:≤0.12C、0.06~0.12P、≤0.020S、0.25~0.50Cu、≤0.03Ti、0.01~0.04RE)180 mm×1 200 mm闆坯由80 t轉爐-鋼包吹氬-闆坯連鑄機生產.通過控製Cu/Ti≤20、P含量≤0.11%、RE含量0.01%~0.03%,使用09CuPTiRE鋼專用保護渣,結晶器液麵波動≤10 mm,減少二冷配水量15%等工藝措施,使09CuPTiRE鋼闆坯縱裂髮生率由15%降至0.5%.
09CuPTiRE내후강(%:≤0.12C、0.06~0.12P、≤0.020S、0.25~0.50Cu、≤0.03Ti、0.01~0.04RE)180 mm×1 200 mm판배유80 t전로-강포취아-판배련주궤생산.통과공제Cu/Ti≤20、P함량≤0.11%、RE함량0.01%~0.03%,사용09CuPTiRE강전용보호사,결정기액면파동≤10 mm,감소이랭배수량15%등공예조시,사09CuPTiRE강판배종렬발생솔유15%강지0.5%.