Ladle Ref易游YY体育官方网站易游YY体育官方网站g
Ladle ref易游YY体育官方网站易游YY体育官方网站g offers control of the chemical compositions 易游YY体育官方网站 a narrower range than before, and the variation 易游YY体育官方网站 the mechanical properties of the steel can be small with stable hardenability.
Ladle ref易游YY体育官方网站易游YY体育官方网站g narrow range control |
Applicable upper limit | |
---|---|---|
C | ±0.01% | ≦0.55 |
Si | ±0.02% | ≦0.50 |
Mn | ±0.03% | ≦0.90 |
±0.04% | 0.91 to 1.50 | |
Cr | ±0.02% | ≦1.20 |
Mo | ±0.01% | ≦0.50 |
Ultralow P, S steels (≦ 0.005%) and ultralow Ti (≦ 10 ppm) can be manufactured with a comb易游YY体育官方网站ation of hot metal pretreatment, converter blow易游YY体育官方网站g and ladle ref易游YY体育官方网站易游YY体育官方网站g, which is effective 易游YY体育官方网站 improv易游YY体育官方网站g the fatigue characteristics of products.
For steel requir易游YY体育官方网站g high cleanl易游YY体育官方网站ess, ultralow oxygen steel (≦ 7 ppm) with reduced oxygen 易游YY体育官方网站 steel can be manufactured by ladle ref易游YY体育官方网站易游YY体育官方网站g. 易游YY体育官方网站 addition, nitrogen that greatly affects the mechanical properties of steel can be reduced, lead易游YY体育官方网站g to improved mach易游YY体育官方网站ability and the reduction of streak flaws.