Heavy rails type 40 Kg

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Heavy rails type 40 Kg/m, and 49 Kg/m
Material	language

Electric steel, grade700 according to UIC 860.

Chemical composition [%]
C	Mn	Si		P	S
0,40 - 0,60	0,8 - 1,25	0,05 - 0,35		max. 0,05	max. 0,05
Mechanical characteristics
Tensile strength [N/mm²]			Elongation after fracture [%]
680 - 830			min. 14

Dimensions and limit tolerances

Dimensions and tolerances *) Acc. to fig. 1
Acc. to fig. 2

Asymmetry of section +/- 1,2 mm

Inclination of fishing surfaces (measured on a basis length of 14 mm, +/- 0,5 mm

Weight deviation +1/-2 %

Shape deviations

Roughness of the ends max. 1 mm

Maximum permissible deviation from straightness in horizontal and vertical plane 2,0 mm / m

Delivery lengths

Length types Delivery length [m] Permissible deviations [mm]

Manufacture lengths max. 15
-

Fixed lengths max. 15 + 100 for hot sawn rails (after rolling)
+/-3 for milled and drilled rails

+/-6 for milled rails, without fish bolt holes

Delivery state, delivery

Delivery state Delivery

Rough rolled, straightened, without heat treatment, milled or unmilled, drilled or undrilled Without packing and unprotected to corrosion, free or in bundles of 3 or 5 pcs./each

Dimensions and tolerances *)	Acc. to fig. 1 Acc. to fig. 2
Asymmetry of section	+/- 1,2 mm
Inclination of fishing surfaces (measured on a basis length of 14 mm,	+/- 0,5 mm
Weight deviation	+1/-2 %

Roughness of the ends	max. 1 mm
Maximum permissible deviation from straightness in horizontal and vertical plane	2,0 mm / m

Delivery state	Delivery
Rough rolled, straightened, without heat treatment, milled or unmilled, drilled or undrilled	Without packing and unprotected to corrosion, free or in bundles of 3 or 5 pcs./each