表面处理的工艺方法：化学除油、酸洗除锈、串油、磷化、热浸镀锌、不不锈钢钝化、外表面涂装，其工艺流程如下

化学除油工艺流程Chemical degreasing process flow

酸洗除锈工艺流程Pickling and rust removal process

串油工艺流程Oil string process flow

磷化工艺流程Phosphating process flow

热浸镀锌工艺流程Hot dip galvanizing process flow

不锈钢钝化工艺流程Stainless steel passivation process flow

槽浸法tank dipping method

涂膏法Past method