鍩�(zh铆)琛屾(bi膩o)婧�(zh菙n)锛�
GB/T 4437.1-2000
鐗规€у強閬╃敤鑼冨湇锛�
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7A04灞珹l-Zn-Mg-Cu绯昏秴楂樺挤(qi谩ng)搴﹂媮鍚堥噾锛屼害绋辫秴纭媮锛屾槸瓒呯‖閶佷腑鐩哥暥(d膩ng)鎴愮啛.浣跨敤杓冧箙鍜岃純寤ｇ殑涓€鍊�(g猫)鍚堥噾銆傚挤(qi谩ng)搴﹂珮锛岀啽铏曠悊寮�(qi谩ng)鍖栨晥鏋滃ソ锛岄€€鐏拰鏂版番鐏媭鎱�(t脿i)涓嬪鎬т腑绛夛紱鑸囩‖閶佷笉鍚�锛屼汉宸ユ檪(sh铆)鏁堢媭鎱�(t脿i)涓嬬殑鑰愯潟鎬ф瘮鑷劧鏅�(sh铆)鏁堢媭鎱�(t脿i)鐨勮€愯潟鎬уソ锛屼笖鑷劧鏅�(sh铆)鏁堥€�(j矛n)绋嬫參锛岄渶缍�(j墨ng)閬�3鍊�(g猫)鏈堝悗鎵嶈兘閬�(d谩)鍒版檪(sh铆)鏁堢‖鍖栧嘲鍊�锛屾晠7A04鍦ㄦ番鐏汉宸ユ檪(sh铆)鏁堢媭鎱�(t脿i)涓嬩娇鐢�銆傚叾缂洪粸(di菐n)鏄┅(w臎n)瀹氭€т笉楂橈紝浣庨牷鐤插嫗寮�(qi谩ng)搴︿綆锛屾湁鎳�(y墨ng)鍔涜厫铦曠牬瑁傚偩鍚戙€傚悎閲戦粸(di菐n)鐒婄剨鎺ユ€ц壇濂�锛屾埃鐒婁笉鑹紝鐔辫檿鐞嗗悗鍙垏鍓婃€ц壇濂�锛屼絾閫€鐏悗鐨勫彲鍒囧墛鎬т笉浣�銆�
鍖栧(xu茅)鎴愬垎锛�
閶� Al 锛氫綑閲忕 Si 锛氣墹0.50
閵� Cu 锛�1.4锝�2.0
閹� Mg锛�1.8锝�2.8 閶� Zn锛�5.0锝�7.0
閷� Mn锛�0.20锝�0.6
閳� Ti 锛氣墹0.10
閴� Cr锛�0.10锝�0.25
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
鍔涘(xu茅)鎬ц兘锛�
鎶楁媺寮�(qi谩ng)搴� 蟽b (MPa)锛氣墺530
姊濅欢灞堟湇寮�(qi谩ng)搴� 蟽0.2 (MPa)锛氣墺400
浼搁暦(zh菐ng)鐜� 未10 (%)锛氣墺5
娉� 锛氱鏉愬婧副鍚戝姏瀛�(xu茅)鎬ц兘
瑭︽ǎ灏哄锛氭墍鏈夊帤搴�
鐔辫檿鐞嗚寖鍦嶏細
1) 鍧囧嫽鍖栭€€鐏細鍔犵啽450锝�465鈩�;淇濇韩12锝�14h;鐖愬喎銆�2)瀹屽叏閫€鐏細鍔犵啽390锝�430鈩�;淇濇韩30锝�120min;鐖愬喎鑷�150鈩冪┖鍐�銆�3)娣伀鍜屾檪(sh铆)鏁�:娣伀465锝�480鈩�,姘村喎;浜哄伐鏅�(sh铆)鏁�(鍖呴媮鏉挎潗)115锝�125鈩�24h銆�(鏈寘閶佸瀷鏉�)135锝�145鈩�16h銆�(鍗婂埗鍝�)鍒�1绱�(j铆) 115锝�125鈩�3h鍔犵啽,2绱�(j铆)155锝�165鈩�3h绌哄喎銆傜媭鎱�(t脿i)锛氶媮鍙婇媮鍚堥噾鐔辨摖澹撶劇(w煤)绺湏绠� (H112銆乀6鎱�(t脿i))
