This paper has investigated the influence of alloying element Nb on structure and properties of the soft nitriding layer by means of experiments of the matrix steels containing Nb and Nbfree.

• 通过含铌与不含铌基体钢气体软氮化工艺对比实验，初步探索了合金元素铌对基体钢软氮化渗层组织与性能的影响。