Cooper-free high carbon equivalent high alloy gray cast iron

The invention relates to gray cast iron, particularly to cooper-free high carbon equivalent high alloy gray cast iron, which comprises, by weight, 3.75-3.99% of C, 1.2-1.42% of Si, 0.58-0.92% of Mn, 0.025-0.125 of S, 0.098-0.16% of P, 0.35-0.8% of Cr, and 0.08-0.09% of Sn, and does not comprise Cu....

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Bibliographic Details
Main Authors LUO YUNCAI, GAO HUI, TANG CHANGXUE
Format Patent
LanguageChinese
English
Published 31.07.2013
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:The invention relates to gray cast iron, particularly to cooper-free high carbon equivalent high alloy gray cast iron, which comprises, by weight, 3.75-3.99% of C, 1.2-1.42% of Si, 0.58-0.92% of Mn, 0.025-0.125 of S, 0.098-0.16% of P, 0.35-0.8% of Cr, and 0.08-0.09% of Sn, and does not comprise Cu. According to the cooper-free high carbon equivalent high alloy gray cast iron, the alloy addition amounts are optimized, the contents of the chromium and the tin are increased, the cooper addition is completely eliminated, and performance requirements of the cast are met from the best production cost so as to achieve purposes of cost reduction and benefit improvement.
Bibliography:Application Number: CN20131124059