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Home » Products » Mechanical » Pearlitic Nodular Cast Iron Rolls (SGP)
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Pearlitic Nodular Cast Iron Rolls (SGP)

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
HS
Tensile Strength
MPa
Dimension
MM
Unit N.W
KGS
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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