阐述了随着先进生产设备的建立，应用在线热处理技术的意义。
The importance of the application of on-line heat treatment with the introduction of advanced equipment was also expounded.
它能够实现从钢水到完整的最终产品的不间断生产，包括在线热处理和质量检查，可显著降低成本。
It enables uninterrupted production from liquid steel to the finished product, including on-line heat treatments and inspection procedures which leading to substantial cash-cost.
在分析ERW钢管焊缝组成及性能特点的基础上，进而介绍了其在线热处理工艺种类、特点以及热处理后的焊缝检验。
On the basis of analysis to microstructure and properties of weld of ERW pipe, types and features of heat treatment and the weld inspect after heat treatment are introduced.
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