Nb微合金化高强度船体结构用钢D36的开发研究

RESEARCH AND DEVELOPMENT ON NB MICROALLOYING D36 HIGH STRENGTH HULL STRUCTURAL STEEL

河北钢铁集团根据D36高强度船体结构用钢的技术要求和市场需求,通过合理的化学成分设计,采用合理的冶炼和轧制工艺成功开发了这一产品,其各项性能指标均符合中国、英国、美国、日本、挪威、法国、德国、韩国、意大利等九国船级社船规,满足用户使用要求。

Based on the technological requirements and market demand,Nb micro-alloying D36 grade high strength hull structural steel has been successfully developed in HBIS through rational chemical compositions design and adopting proper smelting and rolling process.Its various performance figures not only comply with the rules of nine classification societies of CCS、LR、ABS、NK、DNV、BV、GL、KR and RINA but meet users＇ requirements.