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Rails Р65 (up to 120 m)

(ST RK 2432-2013,  GOST R 51685-2013, GOST 34222-2017)

DIFFERENTIALLY HEAT-STRENGTHENED RAILS:

DT370IK (ДТ370ИК) high wear resistance and contact endurance
DT350VS (ДТ350ВС) for high-speed traffic
DT350SS  (ДТ350СС) for high-speed combined traffic
DT350NN (ДТ350НН) low-temperature resistance
DT350 (ДТ350) for general purposes

NON-HEAT-STRENGTHENED RAILS:

N320VS (Н320ВС) for high-speed passenger traffic
N320 (Н320) high strength for general purpose
N300 (Н300) increased strength for general purpose
N260 (Н260) conventional strength for general purpose