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  閵� Cu 锛氬叾浣�
  閷� Sn 锛�9.0锝�11.5
  閶� Zn锛�≤0.05(闆滆唱(zh矛))
  閴� Pb锛�≤0.25(闆滆唱(zh矛))
  纾� P锛�0.5锝�1.0
  閹� Ni锛�≤0.10(闆滆唱(zh矛))
  閶� Al锛�≤0.01(闆滆唱(zh矛))
  閻� Fe锛�≤0.1(闆滆唱(zh矛))
  閷� Mn锛�≤0.05(闆滆唱(zh矛))
  纭� Si 锛�≤0.02(闆滆唱(zh矛))
  閵� Sb 锛�≤0.05(闆滆唱(zh矛))
  纭� S 锛�≤0.05(闆滆唱(zh矛))
  娉細闆滆唱(zh矛)绺藉拰≤0.75
  鈼忓姏瀛�(xu茅)鎬ц兘锛�
  鎶楁媺寮�(qi谩ng)搴� σb (MPa)锛�≥360
  灞堟湇寮�(qi谩ng)搴� σ (MPa)锛�≥170(鍙冭€冨€�)
  浼搁暦(zh菐ng)鐜� δ5 (锛�)锛�≥6
  纭害 锛�≥885HB(鍙冭€冨€�)
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甯歌鍟忛锛�閵呮粦妲界櫦(f膩)璨ㄦ檪(sh铆)闁擄紵 閵呮粦妲藉敭鍚庝繚闅滐紵 閵呮粦妲借▊璨ㄩ渶瑕佹彁渚涗粈涔堜俊鎭紵

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