众鑫棋牌FABURIQI:2019-09-16 14:54:43 FANGWENCISHU:91
众鑫棋牌 GAOYAFALANSHIYIZHONGBUKEHUOQUEDELIANJIEJIAN,SHIYALIRONGQIHEYALIGUANDAOZHONGYINGYONGGUANGFANDEYIZHONGYUANJIAN,YESHIZHONGLEIDUODEYIZHONGYUANJIAN。DANBINGBUNENGSHUODIANPIANYUEHOUMIFENGXINGYUEHAO,ZHEISHIYINWEI,DIANPIANHOUDUBUTONG,JIANLICHUSHIMIFENGDETIAOJIANYEBUTONG。
大型法兰焊接时顶锻压强过小,则变形不足,接头强度下降;顶锻压强过大,则变形量过大,晶纹弯曲严重,又会降低接头冲击韧度。但是承插焊无法进行射线探伤,可以用磁粉或渗透检测探伤。PINGANFAPAIQIGUANDIBUYINGZHUANGQIANGZUOSHIYOUJIEDAOPINGANDIDIANDESHUSHUIGUAN,PAIQIGUANHESHUSHUIGUANSHANGDOUBUYUNXUZHUANGSHEFAMEN。ZAIQUANKAIHUOQUANBISHI,QIUTIHEFAZUODEMIFENGMIANYUJIEZHIGELI,JIEZHITONGGUOSHI,BUHUIYINQIFAMENMIFENGMIANDEQINSHI。
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