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。
And analyzes the reason and forming mechanism of the defects such as cold crack, air porosity and oxidation etc. proposes the measures of welding process to ensure the welding quality.
分析钛材管道焊接产生的冷裂纹、气孔、氧化等缺陷的原因和形成机理，提出焊接工艺措施，以确保焊接的质量。
During the manufacture of oil derrick, such factors as welding defects, deforming and cold crack have key effect on the oil derrick quality.
在井架的制造过程中，焊接缺陷、焊接变形和焊接冷裂纹是影响井架质量的关键因素。
Used for welding low-alloy and high strength steel with corresponding strength. It has excellent welding technology and cold crack resistance.
扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。
Used for welding low-alloy and high strength steel with corresponding strength. It has excellent welding technology and cold crack resistance.
扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。
应用推荐