Cranes
9 January, 2021
SHD
10 January, 2021
Show all

HSS

$ 7.00

High-Speed Steel Rolls can be used on all stands of bar and wire rod mills, in particular on the finishing mill, including dog-bone and slitting stands on slitting process.

Category:
Description

Last Updated on 15 January, 2021

 An increase in roll lifetime compared with standard cast iron rolls (3-5 times bigger) thanks to longer groove life time (2-3 times) and reduced redressing thickness (-10 to -50%).
Reduction of heat cracks and mechanical impact cracks compared with tungsten carbide rings.
Increased rolling campaign time.
Better surface finishing.

Mechanical Composition
 Material  HSS
 Hardness Shore C  75 – 85
 Tensile Strength (kg/mm)  85 – 90
 Si  220 – 250
 Mn  0.25-0.28
Chemical Composition
Material  HSS
 C  1.5-3.5
 Si  0.3-3.0
Mn  0.3-1.5
 Cr  0.2-7.0
 Ni  < 5
 Mo  < 9
 W  < 20
  V  3.0-15.0
 Co  < 10
 Hardness  75-85
 Price  USD 7.00 /KG CFR Basis