下载后可任意编辑铁路车辆用耐候钢的焊接讨论铁路车辆用耐候钢的焊接讨论 孙明慧 摘要:文章介绍了耐候钢,分析高强耐候钢在焊接过程中容易出现的问题 ,并结合问题总结出解决方案
为保证焊接产品的质量和技术要求,对高强度耐候钢成分及力学性能等进行分析,选用合理的焊接材料和焊接工藝,并进行分析总结
关键词:耐候钢;Q450NQR1;焊接特点;焊接工艺 Abstract: The article introduces weathering steel, analyzes the problems that are likely to occur during the welding process of high-strength weathering steel , and summarizes the solutions based on the problems
In order to ensure the quality and technical requirements of welding products , the composition and mechanical properties of high-strength weathering steel are analyzed, and reasonable welding materials and welding processes are selected and analyzed
Key words: weathering steel;Q450NQR1;welding characteristics;welding procedure 0 引言 耐侯钢又称为耐大气腐蚀钢,是介于普通钢和不锈钢之间的低合金钢,为了能够提高钢材的耐候性能,在材料中加少量铜、磷、铬、镍等金属
按耐大气腐蚀性能的高低不同,将