分析斗齿材质与焊接裂纹的关系，找出产生裂纹的原因。
Analyzing bucket teeth material and welding crack, the reason was found out.
同时，焊接应力的存在和水质不良加速了裂纹的扩展。
Besides, the welding stress and wicked water accelerate the crack growth.
裂纹敏感性是钢的焊接性的重要内容之一。
The crack sensibility is one important content in steel weldability.
焊接性不好，易产生裂纹，焊前应预热。
Welding is not good, easy to crack, preheating before welding shall be.
焊接性不好，易产生裂纹，焊前应预热。
Welding is not good, easy to crack, preheating before welding shall be.
应用推荐