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Roll Is An Important Part Of A Rolling Mill On A Steel Mill.Rolls Used In Common Cold Rolls Include 9Cr, 9Cr2,9Crv, 8CrMoV And So On. The Cold Rolls Require Surface Quenching And The Hardness Is HS45~105 | 
| Create: 09/06/2017 | 
| Expired Date: | 10/11/2019 | 
| Category: | Animal&Plant&Agri Supplier | 
| Message: | Roll Is An Important Part Of A Rolling Mill On A Steel Mill.Rolls Used In Common Cold Rolls Include 9Cr, 9Cr2,9Crv, 8CrMoV And So On. The Cold Rolls Require Surface Quenching And The Hardness Is HS45~105,Shaft Forging url:http://www.freeforgingchina.com | 
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| City: | LAIWU[CN] 
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