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grade sm490

grade sm490

SM490 (JIS ) SM490A SM490B.C.YA.YB - Steel Exporter BeBon China

SM490 is an initial material of NFG600 that is refined by severe plastic deformation and quick quenching.The chemical composition of two materials is the same.consisted of ferrite and pearlite,however,each average grain size was different.The average grain size of NFG600 and SM490Some results are removed in response to a notice of local law requirement.For more information,please see here.12345Next

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