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Equipped with one of the best pearlitic nodular cast iron rolls brands, Kaida Roll Group is one of competitive SGP Mill rolls manufacturers and suppliers in China, welcome to visit our website.
Pearlitic Nodular Cast Iron Rolls (SGP)
Pearlitic nodular rolls are obtained by adding alloy elements of Ni,Cr,Mo into the nodular cast iron and following special heat treatment. Pearlitic nodular rolls have high strength, good thermal properties and resistance to emergencies as well as small hardness gradient of working layer.
As Per your request to rolling mill rolls hardness, we will suggest you the most suitable rolls material, to ensure the right rolling mill rolls grinding amount or removal stock.
Table.1 Chemical Composition%
Symbol |
C |
Si |
Mn |
Cr |
Ni |
Mo |
Mg |
SGPⅠ |
2.90-3.60 |
1.40-2.20 |
0.40-1.00 |
0.10-0.60 |
1.50-2.00 |
0.20-0.80 |
≥0.04 |
SGPⅡ |
2.90-3.60 |
1.20-2.00 |
0.40-1.00 |
0.20-1.00 |
2.01-2.50 |
0.20-0.80 |
≥0.04 |
SGPⅢ |
2.90-3.60 |
1.00-2.00 |
0.40-1.00 |
0.20-1.20 |
2.51-3.00 |
0.20-0.80 |
≥0.04 |
Table.2 Prosperities & Application
Symbol |
Hardness |
Tensile Strength |
Dimension |
Unit N.W |
Application |
SGPⅠ |
45-60 |
≥450 |
￠300-1350 |
500-35000 |
Rolls for blooming mills, roughing and intermediate stands of bar, wire and section mills. |
SGPⅡ |
55-65 |
≥450 |
|||
SGPⅢ |
62-72 |
≥450 |
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