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.
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.
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。
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