| 产品质量要求 | product quality requirement (In most North American steel plants, the hot metal leaves the blast furnaces containing 0.040 ~ 0.070% S, while the oxygen converters are charged with hot metal containing as little as 0.010 ~ 0.001% S, to conform to limits on steel composition set by caster operations and final product quality requirements. 在北美的大多数炼钢厂，高炉铁水的含硫量为0.040% -0.070%；而为了使钢水成分能符合连铸机生产规定的成分范围和终产品的质量要求，兑人氧气转炉的铁水含硫量仅为 0.001% ~ 0.010%。) |
