余热锅炉锅筒筒节孔桥中心凹陷缺陷焊接修复学兔兔wwwxuetutucom

553WeldersPals1980-12,30t/h3.82MPa450,105,4.2MPa5.25MPa34,X23mm,5~8mm566~625mm12160mmX23Repairofweldingdefectsatthecenterofexhaustheatboilercylinder201089J-WeldersPals55,10~20mmJB47305.2.1,5.2.23505.2.3100%+100%+100%X60mmJB473055.15.25.35.45.3.15.3.25.4.1100mm150mm5.4.2108mm5.4.325.4.4[1].22.:2006[2]..2001[3]..:2005[4].:.1993.[5].:.1996.620g36E5015mm3.2A110~120V22~2424min600~650min21/3J-2010894