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By certification 
Equipped with one of the best alloy nodular cast iron rolls brands, Kaida Roll Group is one of competitive alloy nodular cast iron rolls manufacturers and suppliers in China, welcome to visit our website.
Alloy Nodular Cast Iron Rolls (SG)
These rolls are characterized by spherical graphite.Its mechanical properties are similar to that of alloy indefinite chilled rolls except that its strength is higher than the latter.They can be produced by static.
Chemical Composition %
Symbol |
C |
Si |
Mn |
Cr |
Ni |
Mo |
Mg |
SGⅡ |
2.90-3.60 |
0.80-2.50 |
0.40-1.20 |
0.20-0.60 |
- |
0.20-0.60 |
≥0.04 |
SGⅣ |
2.90-3.60 |
0.80-2.50 |
0.40-1.20 |
0.20-0.60 |
0.50-1.00 |
0.20-0.80 |
≥0.04 |
SGⅤ |
2.90-3.60 |
0.80-2.50 |
0.40-1.20 |
0.30-1.20 |
1.01-2.00 |
0.20-0.80 |
≥0.04 |
Prosperities&Application
Symbol |
Hardness |
Tensile Strength |
Bending |
Dimension |
Unit N.W |
Application |
SGⅡ |
50-70 |
≥320 |
500-700 |
￠300-1300 |
500-35000 |
Rolls for finish stands of light section mills, bar and wire rod mills, hot narrow strip mills and temper mill. |
SGⅣ |
55-70 |
≥320 |
500-700 |
|||
SGⅤ |
60-70 |
≥320 |
600-800 |
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