摘要
介绍Q420钢的化学成分、力学性能,针对Q420钢的特点制定焊接工艺,通过对焊接接头进行工艺试验,结果表明各项指标均符合设计和规范化要求,该工艺可为电网铁塔用Q420钢焊接提借鉴。
The paper introduces the chemical composition and mechanical properties of Q420 steel,analyzes the welding process on the welding butter,the results of every experimental data full with the design and standardization,also can provide welding reference on the welding of the Q420 steel electrical transmission tower.
出处
《河北电力技术》
2011年第3期49-51,共3页
Hebei Electric Power
关键词
Q420钢
电网铁塔
焊接
半自动混合气体
Q420 steel
electrical transmission tower
welding
semi-automatic mixed gas
