Straightening rolls

Straightening rolls

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Our forged rolls are also used as straightening rolls for hot rolling mills.
High quality of steel, used for this rolls, guaranteed optimal results of milling also in the hardest work conditions. 
 
These rolls are produced in following dimensional range:

  • from 200 up to 600 mm diameter
  • up to 5500mm length
  • up to 8000 kg weight
  • up to 60-62 HRC hardness

 

MOST FREQUENTLY USED STEEL GRADES

RAVNE W. Nr. DIN SAE-AISI CHEMICAL COMPOSITION (%) HARDNESS HRC
  C Cr Mo V Ni
OHV4 1.2327 86CrMoV7   0,85 1,70 0,30 0,10   ≤ 67,5
OTV1       0,80 3,00 0,50 0,10   ≤ 66
OTV1B       0,80 5,00 0,25 0,10   ≤ 66
OTVN       0,70 3,10 0,32 0,10 0,70 ≤ 66

 

Rešitve

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Renewal of used cylinders
Renewal of used cylinders
We offer a complete hydraulic and mechanical service of cylinders,...
Rapid cooling of rolls
Rapid cooling of rolls
Optimal mechanical properties are achieved by using a combined heat...

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Upgrade of portual crane – Genoa
Production hall - Belluno
Stairways on crane - Marseille
Publishing house - Liverpool
Stairways on crane - New Jersey
Parts of portual crane - Le Havre