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Production of high quality bearing rings need to have the kind of technical conditions

Source: Time,Time:2014/8/24 18:03:49

Industry experts pointed out: bearing rings that hot-rolled or cold-rolled (cold drawing) of seamless steel tubes, used for the manufacture of ordinary bearing rings. 25-180 mm in outer diameter of the steel pipe wall thickness of 3.5-20 mm, sub-ordinary high accuracy and precision of the two.
Industry experts pointed out: bearing rings that hot-rolled or cold-rolled (cold drawing) of seamless steel tubes, used for the manufacture of ordinary bearing rings. 25-180 mm in outer diameter of the steel pipe wall thickness of 3.5-20 mm, sub-ordinary high accuracy and precision of the two. 
Bearing special steel production bearing rings are the following (marked for "roll" of G): chromium bearing steel as GCr6, GCr9 (SiMn), GCrl5 (SiMn); no chromium bearing steel as GSiMnV (Re), GSiMnMoV (Re), GMnMoV (Re); carburizing bearing steel as G20CrMo, G20Cr2Mn2Mo; carbon chromium bearing stainless steels such as 9Cr18 (Mo) and so on. 
Technical conditions of production bearing rings more stringent product requirements chemical composition, mechanical properties, process performance, grain size, carbide shape, depth of decarburization and so comply with the relevant standards.
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