preheating zone steel casing 预热带外炉皮钢板
Preheating shall be carried out for carbon and low alloy steel welding where required. Preheating temperature shall be kept uniform from the start to the end of welding.
在进行碳钢及低合金钢的焊接时应进行预热。预热温度在焊接开始到结束期间应保持均衡。
This paper briefly describes the new shaft type scrap preheating system called UL BA developed by Japanese Nippon Steel Corporation.
文章简要介绍了日本新日铁开发的新型竖炉式废钢预热系统，即：UL-BA方式预热装置。
The weldability of X80 pipeline steel was analyzed and its preheating temperature was determined.
针对X80管线钢进行了焊接性分析，确定其预热温度。
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