瑗垮崡閶�7A09閶佹 7A09鑸┖閶佹 7a09閶佸湏妫� 瑗垮崡閶�7A09閶佹 7A09鑸┖閶佹 7a09閶佸湏妫� 瑗垮崡閶�7A09閶佹 7A09鑸┖閶佹 7a09閶佸湏妫�

7A09閶佹

 7A09灞�Al-Zn-Mg-Cu绯�瓒呯‖閶侊紝瑭插悎閲戞槸20涓栫磤(j矛)40骞翠唬鏈湡灏卞凡鎳�(y墨ng)鐢ㄤ簬椋涙(j墨)鍒堕€犳キ(y猫)锛岃嚦浠婁粛鍦ㄨ埅绌哄伐妤�(y猫)涓婂緱鍒板唬娉涙噳(y墨ng)鐢ㄧ殑瓒呴珮寮�(qi谩ng)搴﹁畩褰㈤媮鍚堥噾銆�

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7A09閶佹浠嬬垂

鏉愭枡鍚嶇ū锛�7A09 鑸婄ū锛�LC9

妯�(bi膩o)婧�(zh菙n)锛�GB/T 4437.1-2000

涓昏鐗瑰緛鍙婃噳(y墨ng)鐢ㄨ寖鍦嶏細

鍏剁壒榛�(di菐n)鏄�锛屽浐婧惰檿鐞嗗悗濉戞€уソ锛岀啽铏曠悊寮�(qi谩ng)鍖栨晥鏋滅壒鍒ュソ锛屽湪150鈩�浠ヤ笅鏈夐珮鐨勫挤(qi谩ng)搴︼紝骞朵笖鏈夌壒鍒ュソ鐨勪綆婧挤(qi谩ng)搴�锛涚剨鎺ユ€ц兘宸�锛涙湁鎳�(y墨ng)鍔涜厫铦曢枊瑁傚偩鍚�锛涢渶缍�(j墨ng)鍖呴媮鎴栧叾浠栦繚璀�(h霉)铏曠悊浣跨敤銆傞洐绱�(j铆)鏅�(sh铆)鏁堝彲鎻愰珮鍚堥噾鎶楁噳(y墨ng)鍔涜厫铦曢枊瑁傜殑鑳藉姏銆傚湪閫€鐏拰鍓涙番鐏媭鎱�(t脿i)涓嬬殑濉戞€х◢浣庝簬鍚屾ǎ鐙€鎱�(t脿i)鐨�2A12.绋嶅劒(y艒u)浜�7A04锛屾澘鏉愮殑闈滅柌鍕�.缂哄彛鏁忔劅锛屾噳(y墨ng)鍔涜厫铦曟€ц兘鍎�(y艒u)浜�7A04.

7A09閶佹鍖栧(xu茅)鎴愬垎

纭� Si 锛�鈮�0.50

閵� Cu 锛�1.2锝�2.0

閹� Mg锛�2.0锝�3.0

閶� Zn锛�5.1锝�6.1

閷� Mn锛�鈮�0.15

閳� Ti 锛�鈮�0.10

閴� Cr锛�0.16锝�0.30

閻� Fe锛� 0.000锝� 0.500

娉細?ji菐n)铦光偓(g猫):鈮�0.05;鍚堣▓(j矛):鈮�0.10

7A09閶佹鍔涘(xu茅)鎬ц兘

鎶楁媺寮�(qi谩ng)搴� 蟽b (MPa)锛�鈮�530

浼搁暦(zh菐ng)鎳�(y墨ng)鍔� 蟽p0.2 (MPa)锛�鈮�400

浼搁暦(zh菐ng)鐜� 未10 (%)锛�鈮�5

娉� 锛氱鏉愬婧副鍚戝姏瀛�(xu茅)鎬ц兘

瑭︽ǎ灏哄锛氭墍鏈�

7A09閶佸悎閲戠媭鎱�(t脿i)锛氶媮鍙婇媮鍚堥噾鐔辨摖澹撶劇(w煤)绺湏绠� (H112銆�T6鎱�(t脿i))

7A09閶佹鐔辫檿鐞嗗伐钘�

鐔辫檿鐞嗗伐钘濓細鐔辨墡鏉块爯(y霉)鐣�25%~35%鐨勫喎鍔犲伐鐜�锛屼腑闁撻€€鐏紝鍐锋墡鎴愬搧鍘氬害锛岀┅(w臎n)瀹氬寲閫€鐏韩搴�140鈩�~150鈩�锛屼繚婧檪(sh铆)闊�1h銆�