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1J31:
1J31杌熺鍚堥噾瑭崇窗(x矛)浠嬬垂锛�
1j31杌熺鍚堥噾
鍖栧(xu茅)鎴愬垎锛�
C:鈮�0.04
P:鈮�0.020
S:鈮�0.020
Mn锛�鈮�0.40
Si锛�鈮�0.30
Ni锛�30.5~31.5
Cr:--
AL:--
Fe:浣欓噺
鍩�(zh铆)琛屾(bi膩o)婧�(zh菙n)锛�GB/T 14986-2008
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