Cast steel
Metal-rolling mills and rolls therefor. > Other rolling mills: > Rolls for rolling mills > Cast steel
Duty Rate (from China)
Products classified under Tariff item 8455.30.00.20
Backup Rolls for Cold Rolling Mills
Backup rolls for cold rolling mills are large-diameter rolls that provide structural support to the smaller work rolls during the cold reduction of metal strips. They are essential components of the rolling mill assembly, ensuring precise thickness control and surface quality. These rolls fall under tariff item 8455.30.00 as they are specifically designed rolls used in metal-rolling mills.
8455.30.00Cast Iron Guide Rolls for Rolling Mills
Cast iron guide rolls are used in rolling mills to align and edge-control metal strips as they enter work roll stands. These rolls provide precise lateral guidance, preventing misalignment and ensuring consistent product quality. They are classified under tariff item 8455.30.00 as rolls specifically designed for rolling mill operations.
8455.30.00Centrifugally Cast Ring Rolls for Section Mills
Centrifugally cast ring rolls are composite rolls with a high-speed steel working layer over a ductile iron core, used in section mills for rolling beams and shapes. The centrifugal casting process ensures a dense, wear-resistant surface, making them ideal for demanding rolling applications. These rolls fall under tariff item 8455.30.00 as specialized rolls for metal-rolling mills.
8455.30.00Composite ICDP Rolls for Roughing Stands
Composite ICDP rolls feature an alloy iron shell centrifugally cast over a steel shaft, designed for roughing stands in rolling mills. The indefinite chill double poured construction provides excellent thermal cracking resistance, making them suitable for high-temperature applications. These rolls are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00CPC Rolls for Hot Strip Finishing
CPC rolls, or Centripetal Pattern Controlled rolls, have a textured surface pattern that controls strip crown in hot strip finishing mills. The pattern optimizes flatness control, ensuring high-quality steel sheets. These rolls are classified under tariff item 8455.30.00 as specialized rolls for metal-rolling mills.
8455.30.00Forged Alloy Steel Work Rolls for Aluminum Rolling
Forged alloy steel work rolls are precision-forged for use in aluminum hot and cold rolling mills to produce foil and sheet products. These rolls feature chrome plating for corrosion resistance and are essential for achieving high-quality surface finishes. They are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Forged Backup Rolls for Tandem Cold Mills
Forged backup rolls for tandem cold mills are heavy-duty steel rolls that support work rolls in multi-stand rolling mills processing carbon steel strip. These large-diameter rolls have precision-machined neck journals for bearing fit, ensuring stable operation. They are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Gray Iron Backup Roll for Hot Strip Mill
Gray iron backup rolls for hot strip mills provide structural support to work rolls during steel production. These heavy-duty rolls are made from gray iron and are essential for maintaining roll gap and product quality. They are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Gray Iron Bar Mill Roll
Gray iron bar mill rolls are used in merchant bar rolling mills to produce rebar and structural shapes. These rolls are made from gray iron and are designed for the specific requirements of bar rolling. They are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Gray Iron Blooming Mill Roll
Gray iron blooming mill rolls are large-diameter rolls used for the initial breakdown of steel ingots in blooming mills. These rolls are made from gray iron and are designed to withstand heavy impact loads. They are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Hi-Chrome Work Rolls for Finishing Stands
Hi-chrome work rolls are high-chromium steel rolls used in the final finishing stands of hot strip mills to provide a mirror surface finish on steel sheets. The enhanced wear resistance from 3-5% chromium content extends roll life and improves product quality. These rolls are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Indefinite Chill Cast Iron Rolls for Plate Mills
Indefinite chill cast iron rolls are used in roughing and finishing stands of heavy plate rolling mills producing steel plates up to 400mm thick. The variable hardness from barrel to neck provides a balance of wear resistance and toughness. These rolls are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Powder Metallurgy Work Rolls for Foil Rolling
Powder metallurgy work rolls feature a uniform carbide distribution for ultra-precision foil rolling of aluminum and copper. These advanced rolls achieve sub-micron surface finishes, making them ideal for high-end applications. They are classified under tariff item 8455.30.00 as specialized rolls for metal-rolling mills.
8455.30.00Spherical Graphite Iron Backup Rolls
Spherical graphite iron backup rolls are made from nodular (ductile) cast iron, offering excellent toughness for high-tonnage rolling mills. These rolls provide superior fatigue resistance compared to grey iron, making them suitable for demanding applications. They are classified under tariff item 8455.30.00 as rolls for metal-rolling mills.
8455.30.00Work Rolls for Hot Steel Rolling Mills
Work rolls for hot steel rolling mills are hardened steel rolls used in the work stand to shape and reduce the thickness of steel slabs into sheets. These rolls are specifically designed for the high-temperature, high-pressure conditions of hot rolling. They fall under tariff item 8455.30.00 as rolls for metal-rolling mills.