30ϵÁкÍ40ϵÁв»Ðâ¸ÖÔÚ²»Ðâ¸Ö¼Ò×åÖÐÕ¼ÓÐÖ÷Ҫְ룬£¬£¬£¬£¬£¬ËüÃÇ»®·Ö´ú±íÁËÁ½ÖÖ¾ßÓвî±ð̼º¬Á¿¡¢»úеÐÔÄܺÍÓ¦ÓÃÁìÓòµÄÂíÊÏÌå²»Ðâ¸Ö¡£¡£¡£¡£¡£È»¶ø²¢Ã»ÓÐÃ÷È·µÄ“30ϵÁДºÍ“40ϵÁДµÄͨÓ÷ÖÀ࣬£¬£¬£¬£¬£¬ÕâÀïÌáµ½µÄ“30cr13”ºÍ“40Cr13”¿ÉÒÔÊÓΪһÖÖÌØÀýÀ´¾ÙÐÐÌÖÂÛ¡£¡£¡£¡£¡£ÒÔÏÂÊÇ»ùÓÚ¶ÔÕâÁ½ÖÖ²»Ðâ¸ÖÖÊÁϵļòÆÓÆÊÎö¡£¡£¡£¡£¡£
Ò»¡¢»¯Ñ§ÒòËØÓë΢¹Û½á¹¹
30Cr13£¨¾ÉÅÆºÅ3Cr13£©£ºÕâÊÇÒ»ÖÖº¬ÓÐÔ¼13%¸õºÍÔ¼0.3%ÖÁ0.6%̼µÄÂíÊÏÌå²»Ðâ¸Ö¡£¡£¡£¡£¡£Ì¼µÄ±£´æÊ¹¸Ã¸ÖÖÖÔÚÈÈ´¦Öóͷ£ºóÄܹ»ÐγÉÂíÊÏÌå×éÖ¯£¬£¬£¬£¬£¬£¬´Ó¶ø¸¶ÓëÆäÓÅÒìµÄÓ²¶ÈºÍÄÍÄ¥ÐÔ¡£¡£¡£¡£¡£µ«Ïà¶Ô½Ï¸ßµÄ̼º¬Á¿½µµÍÁËÆäÄÍÇÖÊ´ÐÔÄÜ£¬£¬£¬£¬£¬£¬Ö÷ÒªÊÊÓÃÓÚÖÆÔìµ¶¾ß¡¢²Í¾ßµÈÐèÒª½Ï¸ßÓ²¶ÈµÄ²¿¼þ¡£¡£¡£¡£¡£
40Cr13£ºÍ¬ÑùΪÂíÊÏÌå²»Ðâ¸Ö£¬£¬£¬£¬£¬£¬º¬¸õÁ¿Ò²ÎªÔ¼13%£¬£¬£¬£¬£¬£¬µ«Ì¼º¬Á¿Ìá¸ßµ½ÁËÔ¼0.4%¡£¡£¡£¡£¡£¸ü¸ßµÄ̼º¬Á¿Òâζ×ÅÓ²»¯ºóµÄÓ²¶È¸ü¸ß£¬£¬£¬£¬£¬£¬Í¬Ê±Ò²»á½µµÍÆäÈÍÐÔ¼°ÄÍÊ´ÐÔ¡£¡£¡£¡£¡£Æ¾Ö¤Öйú¹ú¼Ò±ê×¼GB/T 20878-2007£¬£¬£¬£¬£¬£¬ÕâÀ಻Ðâ¸ÖÖ÷ÒªÓÃÓÚÖÆ×÷Èоߡ¢Åç×ì¡¢·§×ùµÈÐèÒª¸ßÇ¿¶ÈºÍÓÅÒìÄÍÄ¥ÐÔµÄÁ㲿¼þ¡£¡£¡£¡£¡£

¶þ¡¢Á¦Ñ§ÐÔÄÜÓë¼Ó¹¤ÌØÕ÷
30Cr13£ºÓÉÓڽϵ͵Ä̼º¬Á¿£¬£¬£¬£¬£¬£¬ÆäÓ²¶ÈÏà¹ØÓÚ40Cr13½ÏµÍ£¬£¬£¬£¬£¬£¬µ«Ôڿɺ¸ÐÔºÍÇÐÏ÷¼Ó¹¤ÐÔÉÏ¿ÉÄܸü¾ßÓÅÊÆ¡£¡£¡£¡£¡£ÍË»ð״̬ϵÄÓ²¶È½ÏµÍ£¬£¬£¬£¬£¬£¬ÊʺϺóÐøµÄ»ú¼Ó¹¤ºÍÈÈ´¦Öóͷ£²Ù×÷£»£»£»£»£»£»¾ÓÉ´ã»ð»Ø»ð´¦Öóͷ£ºó£¬£¬£¬£¬£¬£¬¿ÉÒÔ»ñµÃÒ»¶¨µÄÓ²¶ÈºÍÇ¿¶È¡£¡£¡£¡£¡£
40Cr13£ºÒòÆä¸ß̼º¬Á¿£¬£¬£¬£¬£¬£¬¾´ã»ðºÍ»Ø»ð´¦Öóͷ£ºóÓ²¶ÈÏÔÖøÌáÉý£¬£¬£¬£¬£¬£¬¸üÊʺÏÒªÇó¸ßÓ²¶ÈºÍÄÍÄ¥ÐÔµÄÓ¦Óó¡ºÏ¡£¡£¡£¡£¡£È»¶ø£¬£¬£¬£¬£¬£¬Ëæ×ÅÓ²¶ÈÔöÌí£¬£¬£¬£¬£¬£¬ËÜÐÔºÍÈÍÐÔ»áÏìÓ¦½µµÍ£¬£¬£¬£¬£¬£¬¹ØÓÚÖØ´óÐÎ×´Áã¼þµÄ³ÉÐͺͺ¸½Ó¿ÉÄÜ»á´øÀ´ÌôÕ½¡£¡£¡£¡£¡£
Èý¡¢ÄÍÊ´ÐÔÓëÏÖʵӦÓÃ
30Cr13£ºÖ»¹Üº¬ÓÐ×ã¹»µÄ¸õÒÔÌṩһ¶¨Ë®Æ½µÄ¿¹ÇÖÊ´ÄÜÁ¦£¬£¬£¬£¬£¬£¬µ«ÓÉÓÚ̼º¬Á¿µÄÓ°Ï죬£¬£¬£¬£¬£¬ÆäÄÍÊ´ÐÔ²¢²»ÈçµÍºÏ½ð°ÂÊÏÌå»òË«Ï಻Ðâ¸ÖÄÇÑù¾«²Ê¡£¡£¡£¡£¡£ÔÚÎÞ±£»£»£»£»£»£»¤Ìõ¼þÏ£¬£¬£¬£¬£¬£¬³¤Ê±¼ä̻¶ÔÚʪÈóÇéÐÎÖÐÈÝÒ×±¬·¢ÐâÊ´¡£¡£¡£¡£¡£
40Cr13£ºÏà½ÏÓÚ30Cr13£¬£¬£¬£¬£¬£¬ÆäÄÍÊ´ÐÔ²¢Ã»ÓÐʵÖÊÉϵĸı䣬£¬£¬£¬£¬£¬Ö÷ÒªÊÇÓÉÓÚÁ½Õ߸õº¬Á¿Ïàͬ¡£¡£¡£¡£¡£Òò´Ë£¬£¬£¬£¬£¬£¬ÎÞÂÛ30Cr13ÕÕ¾É40Cr13£¬£¬£¬£¬£¬£¬ËüÃǵÄÄÍÊ´ÐÔ¾ùÓÐÏÞ£¬£¬£¬£¬£¬£¬¸ü×ÅÖØÓÚ»úеÐÔÄܶø·Çºã¾Ã·À¸¯ÐÔÄÜ¡£¡£¡£¡£¡£
ËÄ¡¢ÊµÀý²Î¿¼ÓëѧÊõ̽ÌÖ
ÔÚÏÖʵ¹¤³ÌÓ¦ÓúͿÆÑ§Ñо¿ÖУ¬£¬£¬£¬£¬£¬Õë¶ÔÂíÊÏÌå²»Ðâ¸ÖµÄÐÔÄÜÓÅ»¯Ò»Ö±ÊÇÑо¿ÈÈÃÅ¡£¡£¡£¡£¡£ÀýÈ磬£¬£¬£¬£¬£¬¡¶Materials Science and Engineering: A¡·ÉϽÒÏþµÄÏà¹ØÂÛÎÄ¿ÉÄÜ»á¶ÔÂíÊÏÌå²»Ðâ¸ÖµÄ΢¹Û½á¹¹Ñݱ䡢Á¦Ñ§ÐÔÄÜÓëÇÖÊ´ÐÐΪ¾ÙÐÐÉîÈë̽ÌÖ¡£¡£¡£¡£¡£Í¨¹ý¶ÔÕâЩÑо¿Ð§¹ûµÄÒýÓÃºÍÆÊÎö£¬£¬£¬£¬£¬£¬¿ÉÒÔ½øÒ»²½Ã÷È·30Cr13ºÍ40Cr13Ö®¼äµÄÏêϸ²î±ð£¬£¬£¬£¬£¬£¬°üÀ¨ËüÃÇÔÚ²î±ð·þÒÛÌõ¼þϵÄÊÊÓÃÐÔºÍË¢ÐÂDZÁ¦¡£¡£¡£¡£¡£
30Cr13ºÍ40Cr13²»Ðâ¸ÖµÄÖ÷񻂿±ðÔÚÓÚ̼º¬Á¿´øÀ´µÄÓ²¶ÈºÍ»úеÐÔÄܵÄת±ä£¬£¬£¬£¬£¬£¬ÒÔ¼°Óɴ˱¬·¢µÄ¼Ó¹¤ÐÔºÍÄÍÊ´ÐԵIJî±ð˳ӦÐÔ¡£¡£¡£¡£¡£Ñ¡ÔñʹÓÃÄÄÖÖÖÊÁÏÈ¡¾öÓÚÏêϸµÄ¹¤³ÌÐèÇ󣬣¬£¬£¬£¬£¬ÈçÐèÒª¸ü¸ßÓ²¶ÈºÍÄÍÄ¥ÐÔµÄÓ¦ÓÃͨ³£ÇãÏòÓÚÑ¡Ôñ40Cr13£¬£¬£¬£¬£¬£¬¶øË¼Á¿¿É¼Ó¹¤ÐÔºÍÊʶÈÄÍÊ´ÐԵij¡ºÏÔò¿ÉÄÜÓÅÏȽÓÄÉ30Cr13¡£¡£¡£¡£¡£