This article mainly researches on the causes and controlling of ultra-low carbon steel carburetion.

重点研究了鞍二超低碳增碳原因及控制措施。

This paper studied emphatically the heat steadiness of naphthaline and compatibility of naphthaline with carbon steel.

本文着重对萘热稳定性以及碳萘间相容性进实验研究.

Al dip calorizing of carbon steel and structure and properties of surface layer of aluminized steel were described.

介绍了碳表面热浸镀铝工艺和镀铝层组织结构特征。

Note the material and anticorrosion requirements of Sand Scraper, Harrower, Otherwise supplied according to carbon steel with normal anticorrosion.

分别注明刮、耙材质和防腐要求，不注明表示均按碳和普通防腐订货。

By way of “raising high carbon content and post blowing” as well as recarburization practice can the high carbon steel of fine quality be refined in the converter.

通过“高拉补吹”、炉后增碳工艺，转炉能够冶出合格高碳。