Two corrosion-resistant methods for Fe-based powder metallurgical products were studied, in which corrosion-resistantoil was applied at different processing stages.
针对铁基粉末冶金件提出了两种防锈措施，即两种在不同加工阶段涂防锈油的方法。
2
Promote the resistance of fire resistantoil, to protect elements against electrochemical corrosion.
提高磷酸酯抗燃油的电阻率，避免元件发生电化学腐蚀。
3
Oil free base material is essential for the production of bright and corrosionresistant steel.