Alloy Steel Rolls for Rolling Mill

Product Description

TECHNICAL DESCRIPTION OF INFINITY ROLLING MILL ROLLS

1. Overview

Infinity Rolling Mill Rolls are precision-engineered components designed for high-performance metal deformation processes in modern rolling mills. These rolls are manufactured using advanced metallurgical techniques to ensure superior wear resistance, dimensional accuracy, and extended service life under extreme operating conditions.

2. Product Range

Our rolling mill rolls are suitable for various applications:

• Hot Rolling Mill Rolls
• Cold Rolling Mill Rolls
• TMT Bar Rolling Mill Rolls
• Section Mill Rolls
• Wire Rod Mill Rolls
• Roughing, Intermediate & Finishing Stands Rolls

3. Material Grades

We manufacture rolls in a wide range of grades depending on application:

• Cast Iron Rolls
  • Grey Iron Rolls
  • Spheroidal Graphite (SG) Iron Rolls
  • Alloyed Cast Iron Rolls
• Cast Steel Rolls
  • Adamite Steel Rolls
  • Alloy Steel Rolls
• Forged Steel Rolls
  • Hardened Forged Rolls
  • Indefinite Chill (IC) Rolls
  • Double Poured (DPIC) Rolls

4. Chemical Composition (Typical Range)

(Customized as per application)

• Carbon (C): 2.8 3.5% (Cast Iron) / 0.4 1.2% (Steel)
• Silicon (Si): 0.5 1.5%
• Manganese (Mn): 0.5 1.2%
• Chromium (Cr): 0.5 5.0%
• Nickel (Ni): 0.5 4.0%
• Molybdenum (Mo): 0.2 1.5%

5. Mechanical Properties

• Hardness Range:
  • Roughing Rolls: 4560 HSD
  • Intermediate Rolls: 5570 HSD
  • Finishing Rolls: 6585 HSD
• High wear resistance
• Excellent thermal fatigue resistance
• Superior crack resistance
• High load-bearing capacity

6. Manufacturing Process

• Controlled casting / forging process
• Heat treatment (annealing, normalizing, quenching & tempering)
• CNC machining for precision finishing
• Dynamic balancing (if required)
• Ultrasonic and non-destructive testing (NDT)

7. Dimensional Specifications

• Roll Diameter: Up to 1200 mm (customizable)
• Barrel Length: As per mill design
• Neck Size & Keyway: As per customer drawings
• Tolerance: As per DIN / ASTM standards or client requirement

8. Surface Finish

• Precision ground surface
• Groove machining as per pass design
• Surface roughness: Ra 1.6 m (customizable)

9. Applications

• Steel Rolling Mills
• TMT Bar Production Plants
• Structural Steel Mills
• Wire Rod Mills
• Non-Ferrous Metal Rolling

10. Quality Assurance

• Strict adherence to international standards (DIN / ASTM / IS)
• In-house chemical and mechanical testing
• Third-party inspection available (e.g., SGS / BV)
• Complete material traceability

11. Advantages of Infinity Rolls

• Longer campaign life
• Reduced roll consumption
• Improved surface finish of rolled products
• Lower downtime and maintenance cost
• Consistent performance under high temperatures

12. Supply Condition

• Fully machined / semi-finished / rough machined
• With or without grooves
• Ready for installation

13. Packaging & Dispatch

• Rust preventive coating
• Wooden box / pallet packing
• Export-worthy packaging