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Hot rolling steel rolls are formed in high temperature condition and have high thermal strength, high thermal stability, excellent wear resistance and resistance to thermal fatigue and tempering. This type of rolls is used for blooming large section mills for longer service life.
Chemical Composition % | |||||||
Symbol | C | Si | Mn | Cr | Ni | Mo | v |
MG AIC 1 | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | 0.60-1.20 | 0.20-0.60 | ||
MG AIC 2 | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | 0.70-1.20 | 0.50-1.00 | 0.20-0.60 | |
MG AIC 3 | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | 0.70-1.20 | 1.01-2.00 | 0.20-0.60 | |
MG AIC 4 | 2.90-3.60 | 0.60-1.20 | 0.40-1.20 | 0.70-1.20 | 2.01-3.00 | 0.20-1.00 | |
MG AIC 5 | 2.90-3.60 | 0.60-1.50 | 0.40-1.20 | 1.00-2.00 | 3.01-4.80 | 0.20-1.00 | |
MG AIC 6 | 2.90-3.60 | 0.60-1.50 | 0.40-1.20 | 1.00-2.00 | 3.01-4.80 | 0.20-2.00 | 0.20-2.00 |
Properties And Application % | |||||
Symbol | Hardness HS | Tensile strength MPa | Dimension | Unit Weight Kg | Application |
MG AIC 1 | 50-70 | ≥160 | φ300- 1000 | 500-30000 | Rolls for intermediate and finish stands of section mills, bar and rod mills, hot strip mills. |
MG AIC 2 | 55-72 | ≥160 | |||
MG AIC 3 | 55-72 | ≥160 | |||
MG AIC 4 | 65-78 | ≥350 | |||
MG AIC 5 | 70-83 | ≥350 | Medium & heavy plate mills, hot strip mills, work rolls, skin pass rolls. | ||
MG AIC 6 | 77-85 | ≥350 |