For the T-fillet weld, there are high stress, difficult to weld, more defects and easy to be corroded in vertical oil tank, which is often neglected.
大型立式油罐t形角焊缝部位应力高，施工难度大，焊缝存在缺陷多，容易受到腐蚀，而且常被忽视。
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The article covers the updated technology on fabrication of Baosteel 250 t converter and stress measurement at weld area prior to and after stress relieving heat treatment.