结果表明，TCS钢具有良好的抗冷裂敏感性和抗结晶热裂敏感性能。
The results showed that TCS steel had good cold cracking resistance and crystal hot cracking resistance.
采用七种高纤维素型立向下电焊条，通过斜y坡口裂纹实验，对高强管线钢的冷裂敏感性进行实验研究。
The cold cracking sensibility of high tensile pipeline-steel was studied by Ygroove cracking test using seven kinds of high cellulose electrode of vertical down position welding.
结果表明：采用HTG - 1焊条可以有效地降低该钢焊接冷裂纹敏感性；预热温度增加，抗冷裂效果更好。
The results show that using HTG-1 electrode may effectively decrease welding cold crack sensitivity of the steel, and the sensitivity to cold crack decreases as preheating temperature increases.
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