ããgb5782-86æ¯äº§åæ åï¼è硬度åè·æè´¨åå
æºæ¢°æ§è½ç级æå
³ã
ããGB/T 5782-2000
å
è§å¤´èºæ ããåå¸æ¥æï¼2000-09-26
ããå®æ½æ¥æï¼2001-02-01
ãã代æ¿æ åï¼GB 5782-1986
ããæ¬æ åè§å®äºèºçº¹è§æ ¼ä¸ºM1.6ï½M64ãæ§è½ç级为5.6ã8.8ã9.8ã10.9ãA2-70ãA4-70ãA2-50ãA4-50ãCU2,CU3åAL4级ã产åç级为AåB级çå
è§å¤´èºæ ãA级ç¨äºd=1.6ï½24mmålâ¤10dælï½150mmï¼æè¾å°å¼ï¼ï¼B级ç¨äºdï¼24mmælï¼10dælï¼150mmï¼æè¾å°å¼ï¼çèºæ ãå¦éå
¶ä»ææ¯è¦æ±ï¼åºä»ç°è¡æ åï¼å¦GB/T 196ãGB/T 3106ãGB/T 3098.1ãGB/T 3098.6åGB/T 3103.1ï¼ä¸éæ©ã