|
|
| Squeezed, forged and rolled rings | 
|
| Material
Steel grades with the chemical composition and the mechanical characteristics according to STAS 500/2-80, STAS 791-88 and STAS 880-88. |
|
Dimensions, weight and limit tolerances of the rough tyre
According to STR 3-85
|
Dimensions and limit tolerances [mm] |
Weight [Kg/pcs] |
|||
|
D ± 10 |
d ± 10 |
h ± 10 |
(d<790 mm) + 5 % |
(d>790 mm) ± 7,5 % |
|
780 - 1850 |
500 - 1600 |
110 - 230 |
200 - 550 |
|
Shape deviations
| Out-of-roudness | Max. 50 % of total permitted tolerance from the diameter |
Delivery state, delivery
| Delivery state | Delivery |
| Rough rolled, without heat treatment | Without packing and unprotected to corrosion |
| Rough rolled, normalised or annealed |
