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????У??? 4mm ???? 720mm*1mm ??90mm
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????У??? 4mm ???? 720mm*1mm ?? 90mm
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??16mn?????????????????? ????????470~660?/???????? ????????275~345?/???????? ?????21%????????????????????????????????????16~100mm ????
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??16Mn?????????????б?????? GB/T8162-2008(??????? GB/T8163-2008(????????????) GB/T6479-2000??????????豸????????
??16Mn??????????????????????:[(??-???)*???]*0.02466=kg/??(????????) ????????????????????C??????????????????????????????????????????????????????--????????С??0.25%????10??20?????????--??????????0.25??0.60%?????35??45?????????--???????????0.60%???????????????????????
???16mn???????????16mn???????????16mn?????
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???:www.amghtru.cn
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