Rolling Mill Rolls Infrastructure

Our Products

High-performance rolling mill rolls custom-engineered for heavy manufacturing and global industrial applications.

SGI (Spheroidal Graphite Iron)-0
SGI (Spheroidal Graphite Iron)-1
SGI (Spheroidal Graphite Iron)-2

SGI (Spheroidal Graphite Iron)

C.K Alloys offers high-performance SGI (Spheroidal Graphite Iron) Rolls, engineered for durability, strength, and superior wear resistance. Designed for demanding rolling mill operations, SGI rolls combine the toughness of steel with the versatility of cast iron, ensuring long-lasting performance and reliability in the steel industry.

High Strength
Wear Resistant
Heat Resistant
Durable
SizeHardnessApplication
200–400 mm65–85 HRCHigh-Speed Rolling
450–750 mm60-78 HRCRoughing / Intermediate

Chemical Composition Range

C%Mn%Si%P%S%Ni%Cr%Mo%
Min1.20Min0.50Min0.40Min-Min-Min0.80Min0.80Min0.30
Max2.00Max1.20Max1.20Max0.5(MAX)Max0.05(MAX)Max2.00Max2.50Max1.00
SG Acicular Rolls (Spheroidal Graphite Acicular Iron Rolls)-0
SG Acicular Rolls (Spheroidal Graphite Acicular Iron Rolls)-1
SG Acicular Rolls (Spheroidal Graphite Acicular Iron Rolls)-2

SG Acicular Rolls (Spheroidal Graphite Acicular Iron Rolls)

C.K Alloys offers advanced SG Acicular Rolls, engineered with a bainitic (acicular) microstructure that delivers superior strength, thermal fatigue resistance, and wear performance. These rolls are specially designed for high-speed and heavy-load rolling mill operations where conventional SGI rolls may not perform optimally.

High Strength
Wear Resistant
Heat Resistant
Durable
SizeHardnessApplication
250-450 mm60–80 HRCHot Rolling
400–600 mm58–75 HRCRoughing

Chemical Composition Range

C%Mn%Si%P%S%Ni%Cr%Mo%
Min0.80Min0.60Min0.30Min-Min-Min0.50Min0.80Min0.25
Max2.00Max1.20Max0.80Max0.5(MAX)Max0.05(MAX)Max1.30Max1.60Max0.60
SG Iron Rolls (Spheroidal Graphite Iron Rolls – Standard Grade)-0
SG Iron Rolls (Spheroidal Graphite Iron Rolls – Standard Grade)-1
SG Iron Rolls (Spheroidal Graphite Iron Rolls – Standard Grade)-2

SG Iron Rolls (Spheroidal Graphite Iron Rolls – Standard Grade)

C.K Alloys manufactures reliable and cost-effective SG Iron Rolls, designed for light to medium-duty rolling applications. These rolls offer a balanced combination of strength, wear resistance, and machinability, making them an economical choice for general rolling mill operations.

High Strength
Wear Resistant
Heat Resistant
Durable
SizeHardnessApplication
150-300 mm50–70 HRCLight Rolling
300–500 mm45–65 HRCMedium Rolling

Chemical Composition Range

C%Mn%Si%P%S%Ni%Cr%Mo%
Min2.20Min0.40Min1.50Min-Min-Min0.20Min0.20Min0.05
Max3.60Max1.00Max2.80Max0.8(MAX)Max0.06(MAX)Max0.80Max0.80Max0.30
WSG Rolls (White Spheroidal Graphite Iron Rolls)-0
WSG Rolls (White Spheroidal Graphite Iron Rolls)-1
WSG Rolls (White Spheroidal Graphite Iron Rolls)-2

WSG Rolls (White Spheroidal Graphite Iron Rolls)

C.K Alloys manufactures premium WSG Rolls, designed specifically for finishing stands where superior surface finish and extreme wear resistance are critical. These rolls combine the hardness of white iron with the toughness of nodular graphite, ensuring excellent performance in final rolling stages.

High Strength
Wear Resistant
Heat Resistant
Durable
SizeHardnessApplication
200-400 mm75–90 HRCFinishing
400–600 mm70–85 HRCPrecision Finishing

Chemical Composition Range

C%Mn%Si%P%S%Ni%Cr%Mo%
Min2.80Min0.40Min0.50Min-Min-Min0.50Min1.00Min0.20
Max3.80Max1.00Max1.50Max0.05(MAX)Max0.05(MAX)Max1.50Max2.50Max0.80
Alloy Steel Graphite Rolls-0
Alloy Steel Graphite Rolls-1
Alloy Steel Graphite Rolls-2

Alloy Steel Graphite Rolls

C.K Alloys offers high-performance Alloy Steel Graphite Rolls, engineered for extreme rolling conditions requiring superior strength, toughness, and heat resistance. These rolls combine alloy steel properties with graphite dispersion to provide excellent thermal stability, reduced friction, and long operational life in heavy-duty applications.

High Strength
Wear Resistant
Heat Resistant
Durable
SizeHardnessApplication
300-600 mm60–85 HRCFinishing
600–900 mm50–75 HRCPrecision Finishing

Chemical Composition Range

C%Mn%Si%P%S%Ni%Cr%Mo%
Min0.80Min0.50Min0.50Min-Min-Min0.80Min1.00Min0.30
Max1.80Max1.20Max1.50Max0.05(MAX)Max0.05(MAX)Max2.50Max3.50Max1.20
Adamite Rolls-0
Adamite Rolls-1
Adamite Rolls-2

Adamite Rolls

C.K Alloys manufactures high-quality Adamite Rolls, an intermediate material combining the properties of cast iron and steel. These rolls offer an excellent balance of wear resistance and toughness, making them ideal for roughing and intermediate rolling applications where both strength and durability are required.

High Strength
Wear Resistant
Heat Resistant
Durable
SizeHardnessApplication
300-600 mm55–75 HRCRoughing
600–1000 mm45–65 HRCIntermediate

Chemical Composition Range

C%Mn%Si%P%S%Ni%Cr%Mo%
Min1.20Min0.50Min0.50Min-Min-Min0.50Min0.80Min0.20
Max2.20Max1.20Max1.50Max0.05(MAX)Max0.05(MAX)Max1.50Max2.00Max0.80

Need a custom solution?

Our structural engineers are ready to analyze and formulate specific material grades tailored precisely to your production mill stands.