探讨了硅酸铝保温缓冷焊接条件下能防止焊接冷裂纹的原因。
The reason for preventing the weld joint from cold cracking with this kind of insulator to keep the weldment cooling slowdown is discussed also.
通过改进焊接工艺来降低冷却速度和采用低氢型焊条等措施来控制焊接冷裂纹的产生。
Measures were taken to prevent welding cold cracking such as improve welding technology by decreasing cooling speed and adopting low-hydrogen electrode, etc.
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。
During the manufacture of oil derrick, such factors as welding defects, deforming and cold crack have key effect on the oil derrick quality.
文章分析了储罐焊接冷裂纹产生的机理，提出了在储罐施工中防止冷裂纹产生的具体措施。
On the analysis of the mechanism of the tank welding cold cracking generation, specific methods to prevent cold cracking in tanks constructions are brought out.
试验结果表明，该钢具有优异的焊接性能、较低的焊接冷裂纹敏感性和良好的耐大气腐蚀性能。
The results show that the steel has superior weldability, low cold-cracking sensitivity and good weather corrosion resistance.
国产WDL钢种是一种对焊接冷裂纹敏感性低、焊接前不要预热或稍加预热而不产生焊接冷裂纹的钢板。
WDL is a certain steel which has lower sensitivity to weld cold crack and need not or a little warm-up before weld.
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.
钢材的淬硬倾向、焊接接头含氢量及其分布，以及接头所承受的拘束应力状态是产生焊接冷裂纹的三大主要因素。
Harden tendency of steel, content and distribution of hydrogen in welded joints, restraint stress resistance of joints are three factors that leads to the cold cracks of the welded joints.
试验结果表明，该钢具有焊接冷裂纹倾向低、可用大线能量焊接、焊后不宜进行消氢处理等特点，可用作高强度大焊接线能量用钢。
A new low alloying steel with low susceptibility to weld cold cracking has been developed for large heat input welding in pressure vessel engineering.
研制了一种低焊接裂纹敏感性高能量输入焊接用低合金高强钢，并研究了其冷应变时效行为。
A new large heat input welding high strength low alloy steel with low susceptivity to weld cold cracking was developed and the cold strain aging behavior was investigated.
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。
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.
本试验首次采用再结晶显示金属内塑性变形区的方法观察分析了焊接接头中冷裂纹产生的塑性变形区域。
In this investigation recrystallization in metals was first used to study the plastically - deformed zone induced by cold cracking in welds.
本试验首次采用再结晶显示金属内塑性变形区的方法观察分析了焊接接头中冷裂纹产生的塑性变形区域。
In this investigation recrystallization in metals was first used to study the plastically - deformed zone induced by cold cracking in welds.
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