Item

Specification

Notes

Designation

R65 / P65

65 kg/m heavy rail

Executive Standard

GOST R 51685, EN 13674-1

International railway rail standards

Theoretical Linear Mass

64.88 kg/m

Mass tolerance: 64.72-64.88 kg/m

Cross-section Dimensions

Height: 180 mm; Head Width: 73-75 mm; Base Width: 150 mm; Web Thickness: 18 mm

With standard tolerances

Cross-sectional Area

82.64-82.79 cm²

Matched with theoretical linear mass

Steel Grades

R200, R260, R260Mn, R350HT

R350HT for heavy haul & high-strength working conditions

Chemical Composition (wt%)

C: 0.71-0.80; Si: 0.50-0.80; Mn: 0.75-1.05; P ≤0.03; S ≤0.025; V: 0.04-0.12

Comply with GOST & EN standards

Mechanical Properties (R350HT)

Tensile Strength ≥1180 MPa; Yield Strength ≥800 MPa; Elongation ≥10%; Hardness: 350-390 HBW

High wear and fatigue resistance

Standard Lengths

12.5 m, 25 m

Customizable length: 6-50 m

Main Applications

Mainline railway, heavy haul railway, mining railway, port railway, high-speed railway

Suitable for heavy load and high-frequency operation