用V法铸造生产普通碳钢铸件易产生氧化缺陷，表现在铸件上表面有麻坑和缺损等。
The holes and defects appear at the top surface of castings during the common plain carbon steel is produced by V-process.
介绍了新型低碳钢铸件表面防渗碳涂料的组成结构、生产工艺、性能特点和应用实例。
The compose, producing technology, properties and application example of new carbon-impervious coatings for low-carbon steel castings are introduced in this paper.
生产性试验表明，该涂料用于生产碳钢、高锰钢、铸铁及铜合金铸件均可获得令人满意的结果。
The results show that it can be used in carbon steel, high manganese steel, iron or cuprum alloys castings.
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