Rough steel tyres for railway-wheels
(for narrow-gauge track)

Material

Electric steel, grade B2, B3, B4, and B5 with the chemical composition and the mecanichal characteristics according to UIC 810-1

Dimensions, weight and limit tolerances of the rough tyre Download Drawing
Dimensions and limit tolerances [mm] Weght [Kg/pcs.] Dimensions of the machined tyre [mm]
D +8/0 d 0/-10 B +4/-1
519 361 109 112 500 x 380 x 106
519 361 123 124 500 x 380 x 120
519 361 133 133 500 x 380 x 130
572 408 109 130 550 x 430 x 106
572 408 123 144 550 x 430 x 120
572 408 133 154 550 x 430 x 130
622 458 109 144 600 x 480 x 106
622 458 123 160 600 x 480 x 120
622 458 133 171 600 x 480 x 130
655 515 109 125 650 x 530 x 106
655 515 123 138 650 x 530 x 120
655 515 133 147 650 x 530 x 130
705 565 109 135 700 x 580 x 106
705 565 123 150 700 x 580 x 120
705 565 133 160 700 x 580 x 130
755 615 109 146 750 x 630 x 106
755 615 123 162 750 x 630 x 120
755 615 133 172 750 x 630 x 130
805 665 109 157 800 x 680 x 106
805 665 123 173 800 x 680 x 120
805 665 133 185 800 x 680 x 130
855 715 109 167 850 x 730 x 106
855 715 123 185 850 x 730 x 120
855 715 133 197 850 x 730 x 130
905 765 109 178 900 x 780 x 106
905 765 123 197 900 x 780 x 120
905 765 133 210 900 x 780 x 130
Note: Depending on the customer`s request, on the basis of their documentation, there can be also manufactured other tyre sizes.

Shape deviations
According to UIC 810 - 2
Out-of-roudness of the rim diameter max. 2,5 mm
Eccentricity of the external revolution surface against the internal one, measured in the plane of rim max. 2 mm
Taper of the internal surface of the tyre max. 2 mm
Deviation from the flatness of the generatrix of the internal tyre lateral surface max. 2 mm

Delivery state, delivery
Delivery state Delivery
Rough rolled, normalized (N) Without packing and unprotected to corrosion
Rough rolled, hardened and tempered (T)