A series of nickel - chromium - copper cast - irons with varied rare earth were designed and theirs microstructures were observed by optical election microscope �� the corrosion rates of re - ni - cr - cu alloy cast irons in static �� room ? temperature and strong alkali liquor were measured by the hydrometer method
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Anqing diamond is well - equipped with alloy cast iron production line , ductile cast iron production line , stall band oil rings line and surface treatment line . our company has compound chrome plating , gas nit riding , salt nit riding , ceramics penetration , nana - meter technique , plasma spraying etc . , advanced surface treatment and equipment . it is also equipped with light score analyzer , outline analyzer , pattern analyzer , metallograplry analyzer etc . , and japanese germany examine instrument and technique