實shi際ji應ying用yong中zhong
，常chang將jiang耐nai弱ruo腐fu蝕shi介jie質zhi腐fu蝕shi的de鋼gang稱cheng為wei不bu鏽xiu鋼gang，而er將jiang耐nai化hua學xue介jie質zhi腐fu蝕shi的de鋼gang稱cheng為wei耐nai酸suan鋼gang。由you於yu兩liang者zhe在zai化hua學xue成cheng分fen上shang的de差cha異yi，求qiu購gou輸shu送song鏈lian條tiao，前qian者zhe不bu一yi定ding耐nai化hua學xue介jie質zhi腐fu蝕shi
，而er後hou者zhe則ze一yi般ban均jun具ju有you不bu鏽xiu性xing。不bu鏽xiu鋼gang的de耐nai蝕shi性xing取qu決jue於yu鋼gang中zhong所suo含han的de合he金jin元yuan素su。