SA213-T91钢小径管焊缝焊后热处理有效性的试验研究  

Experimental investigation on the effectiveness of post weld heat treatment for SA213-T91 steel small-aperture pipe welding line

作　　者：王春贵 

机构地区：[1]黑龙江省特种设备检验研究院,黑龙江哈尔滨150036

出　　处：《黑龙江电力》2011年第4期284-286,300,共4页Heilongjiang Electric Power

摘　　要：介绍了电站锅炉SA213-T91钢小径管焊后热处理工艺存在的问题,运用不同热处理工艺对SA213-T91钢试样进行了热处理试验,并采用硬度试验、常温拉伸试验、常温冲击试验、金相组织比对分析了SA213-T91钢试样,论证了其热处理工作的有效性。This paper introduces the problems of post weld heat treatment for boiler SA213-T91 steel small-aperture pipe welding line,carries out heat treatment investigation on SA213-T91 steel sample by adopting different heat treatment processes,analyzes the SA213-T91 steel sample by hardness test,room-temperature tensile test,room-temperature blow test and comparison of Metallurgical microstructure and demonstrates the effectiveness of the heat treatment process.

关 键 词：T91钢 焊缝 热处理 工艺有效性 

分 类 号：TG411.8[金属学及工艺—焊接]