The drawing difficulty is settled by adopting small draught and multi-pass drawing process, reducing the thickness of Zn-Fe alloy and using artificial aging process actively.
通过采用小压缩率多道次拉拔工艺，减少锌-铁合金的厚度，积极采用人工时效工艺等解决了拉拔困难的问题。
Holding primary hardness, magnetism and plating properties of matrix, protection performance of steel was improved by combining the Zn - Fe alloy electroplating and phosphating technology.
为了保持基体金属硬度、磁性以及电镀层性能等均不变，将锌铁合金电镀工艺与磷化工艺进行了组合，以提高钢铁件的防护性能。
This paper briefly introduced the phosphating treatment technology Zn - Fe alloy plating, and discuss the influence of technology parameters on quality of phosphatic coating.
简要介绍电镀锌铁合金后的直接磷化处理工艺；讨论工艺参数对磷化膜质量的影响。
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