7A04
鈼忕壒鎬у強閬╃敤鑼冨湇锛�
鐐烘渶甯哥敤鐨勮秴纭媮锛岀郴楂樺挤搴﹀悎閲�,鍙啽铏曠悊寮峰寲銆傞€氬父鍦ㄦ番鐏汉宸ユ檪鏁堢媭鎱�(t脿i)涓嬩娇鐢�,姝ゆ檪寮峰害姣�涓€鑸‖閶�楂樺緱澶�,浣嗗鎬ц純浣�;鎴潰涓嶅お鍘氱殑鎿犲鍗婃垚鍝佸拰鍖呴媮鏉挎湁鑹ソ鐨勮€愯潟鎬�,鍏锋湁鎳�(y墨ng)鍔涢泦涓偩鍚�銆傞粸鐒婄剨鎺ユ€ц壇濂�銆佹埃鐒婁笉鑹�锛屽彲鍒囧墛鎬у湪鐔辫檿鐞嗗悗鑹ソ銆侀€€鐏媭鎱�(t脿i)涓嬭純浣�銆�
鈼忓寲瀛�(xu茅)鎴愪唤锛�
閶� Al 锛氫綑閲�
纭� 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
娉細鍠€�:鈮�0.05;鍚堣▓:鈮�0.10
鈼忓姏瀛�(xu茅)鎬ц兘锛�
鎶楁媺寮峰害 蟽b (MPa)锛氣墺500
姊濅欢灞堟湇寮峰害蟽0.2 (MPa)锛氣墺430
浼搁暦鐜� 未10 (锛�)锛氣墺6
