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https://www.tinvogroup.com/roll-ring/mill-roll-ring.html high nickel chrome infinite and centrifugal roller
 Chemical Composition
 Mill Rolls  C Si Mn P S Ni Cr Mo Mg
1 2.90~3.60 0.30~0.80 0.20~0.50 ≤0.40 ≤0.10 3.01~4.50 0.50~1.70 0.20~0.60  
2 2.90~3.60 0.60~1.00 0.50~1.00 ≤0.20 ≤0.10 3.01~5.00 1.00~2.00 0.20~0.60  
3 2.90~3.60 1.00~2.20 0.40~0.70 ≤0.10 ≤0.10 2.51~3.50 0.10~0.60 0.40~1.00 ＞0.04
4 2.90~3.60 1.00~2.20 0.40~0.70 ≤0.10 ≤0.03 3.51~4.50 0.20~0.80 0.40~1.00 ＞0.04
5 3.20~3.70 0.50~1.20 0.50~1.00 ≤0.40 ≤0.03   0.20~0.80 0.20~0.60 ＞0.04
6 3.20~3.70 0.50~1.20 0.50~1.00 ≤0.40 ≤0.03 0.50~1.00 0.20~0.80 0.20~0.60 ＞0.04
7 2.90~3.60 1.00~2.20 0.50~1.00 ≤0.10 ≤0.03 1.00~3.00 0.10~0.60 0.40~1.00 ＞0.04
8 2.90~3.60 1.00~2.20 0.50~1.00 ≤0.10 ≤0.03 2.00~3.00 0.10~0.60 0.40~1.00 ＞0.04
                   

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