特钢技术
特鋼技術
특강기술
SPECIAL STEEL TECHNOLOGY
2013年
3期
20-22
,共3页
S355J2G3钢%锻件%疏松
S355J2G3鋼%鍛件%疏鬆
S355J2G3강%단건%소송
S355J2G3 steel%Forging%Porosity
S355J2G3钢锻件低倍质量要求很严,通过提高钢水纯净度,改进绝热板质量,控制过热度、注速,以及锻造加热温度及保温时间等措施,大幅度降低了疏松缺陷的发生。
S355J2G3鋼鍛件低倍質量要求很嚴,通過提高鋼水純淨度,改進絕熱闆質量,控製過熱度、註速,以及鍛造加熱溫度及保溫時間等措施,大幅度降低瞭疏鬆缺陷的髮生。
S355J2G3강단건저배질량요구흔엄,통과제고강수순정도,개진절열판질량,공제과열도、주속,이급단조가열온도급보온시간등조시,대폭도강저료소송결함적발생。
For S355J2G3 steel, requirements for the macrostructure is very strict. By means of increasing the purity degree of molten steel, improving heat-insulating plate quality, controlling overheat degree, pouring speed , heat temperature and hold time for forging etc., the porosity is reduced greatly.