Due to extremely 16w carbon and nitrogen content, the ultra purity ferritic stainless steel has more preferable corrosion resistance, toughness and weldability than the ordinary ferritic stainless steel and martensite stainless steel. The range of applications and development tendency for ultra purity ferritic stainless steel were presented. The casting process of the ultra purity ferritic stainless steel castings was described, and the market forecasting and economic benefit was analyzed.%超纯铁素体不锈钢因碳、氮含量极低，较普通铁素体不锈钢以及马氏体不锈钢拥有更优越的耐腐蚀性、韧性及焊接性。介绍了超纯铁素体不锈钢的应用范围和发展趋势，阐述了超纯铁素体不锈钢铸件的生产工艺，并对其进行了市场预测和经济效益分析。
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