GB/T 1172-1999 Ç°ÂÂÐ÷ £®¶þ1 1±¾±ê×¼ËùÁл»ËãÖµ£¨¼û±í1¡¢±í»ÃÊǶ԰üÀ¨Ì¼¸Ö¡¢¸õ¸Ö¡¢¸õ·°¸Ö¡¢¸õÄø¸Ö¡¢¸õÂÁ¸Ö¡¢¸õÄøÏà¸Ö¡¢¸õÃÌ ¹è¸Ö¡¢³¬¸ßÇ¿¶È¸Ö¡¢²»Ðâ¸ÖµÈ¸ÖϵÖÐÖ÷Òª¸ÖÖÖ½øÐÐʵÑéµÄ»ù´¡ÉÏÖƶ¨µÄ¡£ 2±í1ËùÁи÷¸ÖϵµÄ»»ËãÖµ£¬ÊÊÓÃÓÚº¬Ì¼Á¿Óɵ͵½¸ßµÄ¸ÖÖÖ£¬±í2Ö÷ÒªÊÊÓÃÓÚµÍ̼¸Ö£® 3±¾±ê×¼ËùÁл»ËãÖµÖ»Óе±ÊÔ¼þ×éÖ¯¾ùÔÈÒ»ÖÂʱ£¬²ÅÄܵõ½½Ï¾«È·µÄ½á¹û£¬Òò´ËÓ¦¾¡Á¿±ÜÃâ¸÷ÖÖ »»Ëã¡£ ±¾±ê×¼×ÔÉúЧ֮ÈÕÆð£¬Í¬Ê±´úÌæGB/T 1172-1974, ±¾±ê×¼ÓÉÖйú¼ÆÁ¿¿ÆѧÑо¿ÔºÌá³ö²¢¹é¿Ú¡£ ±¾±ê×¼Æð²Ýµ¥Î»£ºÖйú¼ÆÁ¿¿ÆѧÑо¿Ôº£»Öйúº½¿Õ¹¤Òµ×ܹ«Ë¾µÚÈýOËÄÑо¿Ëù£»Öйúº½¿Õ¹¤Òµ×ܹ« ˾µÚÁù¶þÒ»Ñо¿Ëù£»É½¶«À³ÖÝÊÔÑé»ú×ܳ§¡£ ±¾±ê×¼Ö÷ÒªÆð²ÝÈË£ºÀîÓñÊé¡¢ÀîÜƾꡢÕźêÔË¡¢ÌÆÈÙÉ­¡¢ËïºÆ¾ý¡£ ±¾±ê×¼1975Äê3ÔÂ1ÈÕÊ״η¢²¼£¬1999Äê3ÔÂ23ÈÕÐÞ¶©¡£ ±¾±ê×¼ÓÉÖйú¼ÆÁ¿¿ÆѧÑо¿Ôº¸ºÔð½âÊÍ¡£ÖлªÈËÃñ¹²ºÍ¹ú¹ú¼Ò±ê×¼ GB/T 1172-1999 ºÚÉ«½ðÊôÓ²¶È¼°Ç¿¶È»»ËãÖµ´úÌæGB/T 1172-1974 Conversion of hardness and strength for ferrous metal 1·¶Î§ ±¾±ê×¼ÊÊÓÃÓÚ̼¸Ö¡¢ºÏ½ð¸ÖµÈ¸ÖÖÖµÄÓ²¶ÈÓëÇ¿¶ÈµÄ»»Ëã¡£ 2»»ËãÖµ±í ±í1Ϊ̼¸Ö¼°ºÏ½ð¸ÖÓ²¶ÈÓëÇ¿¶È»»ËãÖµ¡£ ±í2Ϊ̼¸ÖÓ²¶ÈÓëÇ¿¶È»»ËãÖµ¡£ ¹ú¼ÒÖÊt¼¼Êõ¼à¶½¾Ö1999Ò»03Ò»23Åú×¼ 1999Ò»10Ò»01ʵʩGB/T 1172-1999 ±í Ó² ¶È ÂåÊÏ ±íÃæÂåÊÏ Î¬ÊÏ ²¼ÊÏ£¨F/Dg=30) HRC HRA HR 15N HR30N HR45N HV HBS HBW 20.0 20.5 21.0 21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 26.0 26.5 27.0 27.5 28.0 28.5 29.0 29£®5 30.0 30.5 31.0 31.5 32.0 32.5 33.0 33.5 34.0 34.5 35.0 35.5 36.0 36.5 37.060.2 60.4 60.7 61.0 61.2 61.5 61.7 62.0 62.2 62.5 62.8 63.0 63.3 63.5 63.8 64.0 64.3 64.6 64.8 65. 1 65.3 65.6 65.8 66.1 66.4 66.6 66.9 67.1 67.4 67.7 67.9 68.2 68.4 68.7 69.068.8 69.0 69.3 69.5 69.8 70.0 70.3 70.6 70.8 71.1 71.4 71.6 71.9 72.2 72.4 72.7 73.0 73.3 73.5 73.8 74.1 74.4 74.7 74.9 75.2 75.5 75.8 76.1 76.4 76.7 77.0 77.2 77.5 77.8 78.140.7 41.2 41.7 42.2 42.6 43.1 43.6 44.0 44.5 45.0 45.5 45.9 46.4 46.9 47.3 47.8 48.3 48. 7 49.2 49.7 50.2 50.6 51.1 51.6 52.0 52.5 53.0 53.4 53.9 54.4 54.8 55.3 55.8 56.2 56.719.2 19.8 20.4 21.0 21.5 22.1 22.7 23.3 23.9 24.5 25.1 25.7 26.3 26.9 27.5 28.1 28.7 29.3 29.9 30.5 31.1 31. 7 32.3 32.9 33.5 34.1 34.7 35.3 35. 9 36.5 37.0 37.6 38.2 38.8 39.4226 228 230 233 235 238 241 244 247 250 253 256 259 262 266 269 273 276 280 284 288 292 296 300 304 308 313 317 321 326 331 335 340 345 350225 227 229 232 234 237 240 242 245 248 251 254 257 260 263 266 269 273 276 280 283 287 291 294 298 302 306 310 314 318 323 327 332 336 341GB/T 1172-1999 ¿¹À­Ç¿¶Èo, N/mm' ̼¸Ö ¸õ¸Ö ¸õ·°¸Ö ¸õÄø¸Ö ¸õôá¸Ö ¸õÄø Ïà¸Ö¸õÃÌ ¹è¸Ö³¬¸ß Ç¿¶È¸Ö²»Ðâ¸Ö 774 784 793 803 813 823 833 843 854 864 875 886 897 908 919 930 942 954 965 977 989 1 002 1 014 1 027 1 039 1 052 1 065 1 078 1 092 1 105 1 119 1 133 1 147 1 162 1 177742 751 760 769 779 788 798 808 818 828 838 848 859 870 880 891 902 914 925 937 948 960 972 984 996 1 009 1 022 1 034 1 048 1 061 1 074 1 088 1 102 1 116 1 131736 744 753 761 770 779 788 797 807 816 826 837 847 858 869 880 892 903 915 928 940 953 966 980 993 1 007 1 022 1 036 1 051 1 067 1 082 1 098 1 114 1 131 1 148782 787 792 797 803 809 815 822 829 836 843 851 859 867 876 885 894 904 914 924 935 946 957 969 981 994 1 007 1 020 1 034 1 048 1 063 1 078 1 093 1 109 1 125747 753 760 767 774 781 789 797 805 813 822 831 840 850 860 870 880 891 902 913 924 936 948 961 974 987 1 001 1 015 1 029 1 043 1 058 1 074 1 090 1 106 1 122850 859 869 879 890 901 912 923 935 947 959 972 985 999 1 012 1 027 1 041 1 056 1 071 1 087 1 103 1 119 1 136 1 153781 788 794 801 809 816 824 832 840 848 856 865 874 883 893 902 912 922 933 943 954 965 977 989 1 001 1 013 1 026 1 039 1 052 1 066 1 079 1 094 1 108 1 123 1 139740 749 758 767 777 786 796 806 816 826 837 847 858 868 879 890 901 913 924 936 947 959 971 983 996 1 008 1 021 1 034 1 047 1 060 1 074 1 087 1 101 1 116 1 130GB/T 1172-1999 ±íl Ó² ¶È ÂåÊÏ ±íÃæÂåÊÏ Î¬ÊÏ ²¼ÊÏ£¨F/D2--30) HRC HRA HR15N HR30N HR45N HV HBS HBW 37.5 38.0 38.5 39.0 39.5 40.0 40.5 41.0 41.5 42.0 42.5 43.0 43.5 44.0 44.5 45.0 45.5 46.0 46.5 47.0 47.5 48.0 48.5 49.0 49.5 50.0 50.5 51.0 51.5 52.0 52.5 53.0 53.5 54.0 54.569.2 69.5 69.7 70.0 70.3 70.5 70.8 71.1 71.3 71.6 71.8 72.1 72.4 7