45ºÅ¸ÖÔÚÆóÒµÉú²úÖÐÓ¦ÓÃ×îΪ¹ã·º£¬»ù±¾ÉÏÒªÓõ½ÈÈ´¦ÀíµÄ²úÆ·£¬¿ÉÄܶ¼»áÓõ½45#¸Ö£¬ÒòΪËü¼«¾ßÐԼ۱ȣ¬ÔÚ̼¸ÖÀ࣬ÒÀ¿¿Ì¼º¬Á¿Ôö¼ÓÀ´µ÷½âÈÈ´¦ÀíÓ²¶ÈµÄ£¬Ö»ÓÐ45#ÄܼÈÓµÓÐÁ¼ºÃµÄÇÐÏ÷ÐÔ£¬ÓÖÒ״㣬´ã»ðÓ²¶È¿ÉµÖ´ïhrc50×óÓÒ£¬µ÷ÖʺóÄִܵïhrc36~hrc45¡£Ïà½ÏÓںϽðÔö¼ÓµÄ²ÄÖÊÀ´Ëµ£¬45ºÅ¸Ö¼Û¸ñµÍÁ®£¬Ïà½ÏÓÚ¸üµÍ̼µÄ£¬Ëü´ãÓ²¼òµ¥£¬ÊÊÓÃÐÔÇ¿£¬²»ÐèÒªÉø̼µÈÆäËû¸¨Öú¹¤ÒÕ¡£Òò´Ë45ºÅ¸ÖÓ¦ÓúÜÊǹ㷺¡£
ÄÇôÔÚÈç´Ë¹ã·ºµÄÓ¦ÓÃÖУ¬ÓÐÐí¶à¿Í»§»áʹÓÃ45ºÅ¸Ö½øÐÐÕÛÍ䣬¾³£ÓÐÓû§·´Ïìµ½£¬ÔÚÕÛÍä³åѹÀú³ÌÖУ¬Õý³£ÕÛÍä²»¿ªÁÑÖ®ºó£¬×ÜÄÜÓö¼ûÒ»¸ö¾í»òÕßÒ»²¿·ÖÕÛÍ俪ÁÑ¡£ÍùÍùÕâ¸öʱºò£¬Ëü¾ÍÈÏΪÎÒÃǹ©Ó¦µÄÖÊÁÏÓÐÎÊÌ⣬Ìæ»»Á˸ֳ§µÈÖ®ÀàµÄÍƲâºÍ»³ÒÉ£¬×îÑÏÖصÄÊÇ£¬½ñºóÒԺ󣬲»ÔÙÁªÏµ£¬»»¹©Ó¦ÉÌÁË¡£ÔËÆøºÃµÃ»°£¬»»µÄÄǸö¹©Ó¦ÉÌÓÃÒ»ÄêҲûÓÐÓö¼û¿ªÁÑ£¬ÔËÆøÇ·ºÃµÄ»°£¬¿ÉÄÜÓÃÒ»Á½´ÎÒ²¾Í¿ªÁÑÁË¡£ËäȻҪÑéÖ¤ÕâÊDz»ÊǸֳ§ÕýÆ·£¬ÎÒÃǶ¼»áÌáÖÊÁ¿ÒìÒ飬Èøֳ§ÊÛºóÊÂÇéÈËÔ±ÉÏ¿Í»§ÄǽøÐд¦ÀíÒìÒ飬´ø»ØÈ¥»¯ÑéÖ®ÀàµÄ£¬Åųý²úÆ·ÎÊÌ⣬×îºó¸Ö³§µÄ±¨¸æ»ù±¾É϶¼ÊDzúÆ·ÇкÏ45ºÅ¸Ö¹ú±ê£¬²»ÊôÓÚÖÊÁ¿ÎÊÌ⣬ȻºóÔÙ¸øÓë»Ø¸´£¬45ºÅ¸Ö²»±£ÕÛÍäÐÔÄܾͲݲݽáÊøÁË¡£
ÄÇô¾¿¾¹Ê²Ã´ÒòËØÓ°Ïì45ºÅ¸ÖµÄÕÛÍäÐÔÄÜÄØ£¿ÎªÊ²Ã´»á·ºÆðÒ»¶Îʱ¼ä¿ÉÒÔÕÛÍ䣬һ¶Îʱ¼ä²»¿ÉÒÔÕÛÍ䣿ÎÒÃdz£¼ûµÄÓ°ÏìÒòËØ´óÖÂÆÊÎöÈçÏ£º
1.¿Í»§ÕÛÍäµÄR½Ç×Ô¼º¾ÍÔÚ45ºÅ¸ÖÕÛÍäµÄ½çÏ޵㣬´ËÓÉR½Ç¹ýСµ¼Ö£¬Ò»°ãÕâÑùµÄÇé¿ö£¬Èç¹û·ºÆð¿ªÁѵÄÇé¿ö½ÏΪÑÏÖØ£¬ÄÇôҪô½øÐоֲ¿¼ÓÈÈ£¬ÈÈÕÛÍ䣬Ҫô²É¹ºÍËÆ«¼¤µÄ45ºÅ¸Ö£¬½øÐÐÕÛÍ䣬ÕâÑù¼È½Úʡʱ¼ä£¬ÓÖÖÆÖ¹Òò¿ªÁѶøÔì³É²»ÐëÒªµÄËðʧ£»
2.ÓÉÓÚÄ£¾ßÉè¼ÆµÄÎÊÌ⣬ºÃ±ÈÏÂÄ£»òÕßÉÏÄ£¹ýÓÚ¼âÈñ£¬´Ö²Ú£¬µ¼ÖµÄÕÛÍ俪ÁÑ£¬Ò»°ãÕâÑùµÄÇé¿ö£¬ÈÝÒ×·ºÆðÕÛÍ俪ÁѵÄÏÖÏó£¬ÕâÑùµÄÇé¿ö£¬ÒªÊµÊ±¼ì²éÄ£¾ßµÄËð»µË®Æ½£¬½øÐÐʵʱ¸ü»»£¬Ò²¿ÉÒÔ¾³£ÔÚÄ£¾ßÉÏÍ¿ÓÍ£¬½øÐÐÒ»¶¨ÐëÒªµÄÈ󻬣»
3.ÓÉÓÚ45ºÅ¸ÖµÄ¹ú±êº¬Ì¼¹æÄ£ÊÇ0.42%~0.5%£¨¾ßÌå²ÎÊý¿ÉÒԲο´£º45ºÅ¸ÖÐÔÄÜ£©£¬ÄÇô²î±ðÅú´Î£¬º¬Ì¼Á¿¾ÍÓпÉÄܲî±ð£¬µ±Óöµ½×ߺ¬Ì¼ÉÏÏÞµÄÅú´ÎµÄʱºò£¬È纬̼48%£¬ÄÇôÖÊÁϾÍÇ¿¶È¾Í¿ÉÄܱȽϸߣ¬Ç¿¶È¸ß£¬ÕÛÍä¾Í±È½ÏÀ§ÄÑ£¬ÈÝÒ׿ªÁÑ£»
4.ÓÐʱºòÒòÆøºò»òÕ߸ֳ§ÖÕÔþζȵĿØÖƵÈÔÒò£¬¸Ö¾íÏÂÏߺó£¬×îÖÕÀäÈ´ºó£¬¸Ö¾íÓ²¶È½Ï¸ß£¬ºÃ±ÈµÖ´ïÁËHrb88~Hrb95¶È£¬ÄÇôÕâÑùµÄÓ²¶È±È½Ï¸ß£¬ÔÚÕÛÍäÖУ¬ÈÝÒ׿ªÁÑ¡£Í¨³£ÎÒÃÇÅäºÏ¿Í»§65MnÕÛÍäµÄʱºò£¬Ò»°ã¶¼½øÐÐÇò»¯£¬ÍË»ðÖÁHrb80¶ÈÒÔÏ£¬¾§Á£¶ÈµÖ´ï4¼¶£¬ÕâÑùÕÛÍäÐÔÄÜÓÅÁ¼£¬ÄÇôͬÀí45ºÅ¸Ö£¬Ó¦¸ÃÑ¡ÔñHrb80¶È×óÓÒµÄ¸Ö¾í£¬ÕÛÍäÐÔÄܾͱȽÏÓÅÁ¼ÁË£»
5.Ò»°ã¸Ö³§¸ú¸Ö³§Ö®¼äÓÐÇø±ð£¬Ðí¶àʱºòÔÚÓÚ¸ÖˮұÁ¶Àú³ÌÖУ¬¸ÖË®´¿¾»¶ÈµÄ°Ñ¿Ø£¬±È½ÏÃ÷ÏԵľÍÊÇPºÍSÁ½´óÔªËصÄÓ°Ï죬µ±ÕâÁ½¸öÔªËØÔÚ0.02%»òÕßÒÔϵÄʱºò£¬ÊôÓÚÌؼ¶ÓÅÖʸ֣¬ÕâÑùµÄ¸ÖË®±È½Ï´¿¾»£¬½ûÖ¹Ò׿ªÁÑ£»
6.¸ÖÖдø×´×éÖ¯ºÍ¼ÐÔÓµÈÖÊÁ¿ÎÊÌ⣬Ҳ»áÓ°ÏìÕÛÍäÐÔÄÜ£¬ËäÈ»£¬ÏÖÔÚµÄÁ¶¸Öˮƽ£¬»ù±¾ÉϺÜÉٻ᷺ÆðÕâÑùµÄÇé¿ö£¬×ÝÈ»·ºÆðÁË£¬¸Ö³§Ò²»áÂôÁ¦È¥Êۺ󣬰ü¹ÜÓû§µÄȨÀûºÍÕý³£Éú²ú¡£
ËäÈ»£¬ÒÔÉϼ¸µãÖ»ÊÇƽ³£Óö¼ûµÄһЩÎÊÌ⣬ÁíÓÐÐí¶àÆäËû·½ÃæµÄÎÊÌ⣬Óû§ÔÚʹÓÃÀú³ÌÖУ¬ÕÕ¾ÉÓ¦¸ÃÑ¡ÓÃÒ»Ï߸ֳ§µÄ£¬»òÕßÕÒµ½×¨ÒµÏúÊÛ´ËÀàÆ·ÖֵĹ©Ó¦ÉÌ£¬ÔÚ½øÐвɹºµÄʱºò£¬¶®ÐеÄÒµÎñÖªµÀÐèÒªÕÛÍäÖ®ºó£¬»á½øÐÐÒ»¶¨µÄÌôÑ¡£¬ÖÆÖ¹ÒòÒÔÉÏÔÒò¶øµ¼ÖµÄÉú²úÎÊÌâ¡£
ÍØÕ¹×ÊÁÏ£º
ÃÀ±êÖÐSAE1045Ï൱ÓÚº£ÄÚ45ºÅ¸ÖÅƺÅ
²ÄÖÊSAE1045ÉϺ£ÏÖ»õ¹æ¸ñ