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瑕�(gu墨)鏍� C Si Mn P S Cr Ni Mo
SUS420 鈮�0.15-0.35 鈮�1.00 鈮�1.00 鈮�0.030 鈮�0.028 11.50-14.50 3.00 0.60
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SUS420 195 360 22 183
