Rings & tyres

Rolled rings
Railway tyres
Applications

Rings are manufactured according to international standards or customer specifications, in a large range of readily available steel grades (weldable carbon steel, low-alloy steels, alloyed steels for carburizing or nitriding, and stainless steel).

RolledRings-Rolled

External Diameter
Ø D, mm
Internal Diameter
Ø d, mm
Height
H, mm
Thickness
t, mm
Weight
Kg
500 – 4500
(19.68 – 177.17 in)
Min 300
(Min 11.81 in)
50 – 500
(1.97 – 19.68 in)
50 – 500
(1.97 – 19.68 in)
100 – 4000
(220 – 8818 lbs)

All types of railway tyre profiles, meeting the standards defined by the UIC code or custom specifications. Our tyres can be supplied rough or fully-machined and ready for assembly.

RolledRings-Tailor

External Diameter
Ø D, mm
Internal Diameter
Ø d, mm
Height
H, mm
Thickness
t, mm
Weight
Kg
600 – 1400
(232.2 – 551.2 in))
Min 400
(15.75 in)
80 – 155
(31.5 – 61 in)
15 – 50
(5.9 – 19.7 in)
100 – 600
(220 – 1320 lbs)
Rings-Tyres-Industry

Industry

  • gearbox components
  • flanges
  • rolling mill cylinders
  • electrical generators
Rings-Tyres-Pellets

Pellets

  • Flat and ring pellet dies
  • Wear- and reinforcing rings
  • Gearbox components
Rings-Tyres-Offshore

Offshore / Marine

  • Gearbox components in :
    – Jacking Systems in Jack-Up rigs and ships, Mooring turrets
    – winches
    – propulsion units (gears …)
  • Slewing rigs in cranes, azimuth thrusters, mooring buoys…
Rings-Tyres-Civil-Engineering

Civil Engineering

  • slewing bearings
  • welded to the subframe
Wind Power

Wind Power

  • blades or nacelles slewing rings
  • gearbox components
  • coupling systems between shaft and gearbox
  • different types of bearings
Urban Transport

Urban Transport

Ring rolled tyre based on a rough or pre-machined profile for traditional or elastic wheels according to the UIC code

Applications Steel Grades ASTM SAE Key to Steel Available from Stock
Off-Shore X2CrNiMoN25-7-4 A182 F53 1.4410 300 – 2.000 kg
14CrMoV6-9 1.7735 100 – 450 kg
X2CrNi19-11 AISI 304 1.4301 300 – 2.000 kg
X5CrNiMo17-12-2 AISI 316 1.4401 300 – 2.000 kg
Slewing rings 42CrMo4 A829 4140 / 4142 4140 / 4142 1.7225 Full Range
C50 A108 1050 1.5040 300-1200 kg
Gearboxes 34CrNiMo6 A322 4340 1.6582 Full Range
18CrNiMo7-6 A322 4820 1.6587 Full Range
31CrMoV9 1.8519 700 – 3.000 kg
40NCD7 A320L43 1.6565 300 – 2.000 kg
Rolls & Dies 51CrV4 AISI 6150 1.8159 300 – 1.200 Kg
X50CrMoV15 1.4116 300 – 1.200 Kg
X46Cr13 A276 1.4034 300 – 1.200 kg
Flanges S355J2 A656 1.0577 Full Range
S355K2 A656 1.0596 Full Range
S690QL A514 1.8928 500 – 2.000 Kg
35S20 1140/1146 1.0726 300 – 1.200 Kg
Knitting Machines 38MnSi4 1.5120 300 – 1.200 Kg