Product Description

Spherical Graphite SG Rolls for Rolling Mills

Spherical Graphite Rolls also known as Nodular Cast Iron Rolls are engineered to provide exceptional wear resistance toughness and thermal shock resistance for demanding rolling mill operations Their unique microstructure with spheroidal graphite embedded in a pearlitic or bainitic matrix ensures superior mechanical properties compared to traditional chilled cast iron rolls

Key Features Advantages

High Wear Resistance Spheroidal graphite structure enhances surface durability and roll life

Excellent Toughness Strength Capable of withstanding high rolling forces and shock loads

Thermal Shock Resistance Reduces risk of cracking and spalling during rapid temperature changes

Extended Campaign Life Lower frequency of roll changes improves mill productivity and reduces operating costs

Consistent Performance Precision casting and heat treatment ensure uniform hardness and microstructure throughout the roll

Typical Chemical Composition

Carbon C 30 35

Silicon Si 15 25

Manganese Mn 06 10

Nickel Ni 05 10

Chromium Cr 08 15

Molybdenum Mo 02 06

Mechanical Properties

Hardness 50 80 HSC depending on application

Tensile Strength 500 700 MPa approx

Microstructure Pearlite or Bainite matrix with uniformly distributed spheroidal graphite and carbides

Applications

Intermediate and Finishing Stands in Bar Mills Wire Rod Mills and Section Mills

Suitable for high wear high impact rolling conditions

Ideal choice where both toughness and wear resistance are critical

Precision Engineering for Enhanced Manufacturing

Spherical Graphite Rolls are meticulously engineered to deliver consistent quality and shape during the manufacturing process. Their semi-automatic operation ensures user intervention is minimal yet maintains a high level of reliability. Built from stainless steel, these rolls guarantee longevity even under demanding production conditions.


User-Friendly Human Machine Interface

With a Human Machine Interface at the core of its control system, operating these Spherical Graphite Rolls is straightforward. This interface allows operators to manage settings efficiently, ensuring smooth production without the need for complex computerized systems.