1、 Chemical Composition Mill Rolls ...    More ...

1、 Chemical Composition
Mill Rolls Item C Si Mn P S Ni Cr Mo
1 3.20~3.70 0.40~0.80 0.20~0.50 ≤0.40 ≤0.10 0.50~1.00 0.20~0.60 0.20~0.60
2 3.20~3.70 0.40~0.80 0.20~0.50 ≤0.40 ≤0.10 1.01~2.00 0.30~1.20 0.20~0.60
3 3.20~3.70 0.40~0.80 0.20~0.50 ≤0.40 ≤0.10 2.01~3.00 0.50~1.50 0.20~0.60
2、 Physical properties
 Mill Rolls Item hardness HSD roll neck hardness Tensile strength white depth
 Section
1 60~70 32~50 ＞150 ＜Φ200 Φ201~250 Φ251~300 ＞Φ300
2 62~75 35~52 ＞150 12~25 15~30 17~35 20~45
12~25 15~30 17~35 20~45
3 65~80 40~55 ＞150 12~25 15~30 17~35 20~45


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