By the technology of B microalloying, Zhujiang Steel developed the base material for cold rolling SPHC, SPHD and SPHE successfully in TSCR line.

• 采用B微合金化技术,珠钢在薄板坯连铸连轧生产线上成功开发出冷轧基料SPHC、SPHD、SPHE,带钢的组织明显粗化,强度显著降低。