Specifications of Railway Track Material

Jan 22, 2026

Railway track material refers to the integrated system of steel rails, sleepers, fastening systems, and track bed structures that together provide load support, guidance, and long-term stability for rail vehicles. In modern rail engineering, the core component is the bold: Railway Track Material, especially the steel rail, which directly bears wheel loads and determines wear life, safety, and maintenance cycles.

 

steel rail


Within the first stage of system design, engineers must match rail section, steel grade, and fastening elasticity to traffic load and speed.


At GNEE RAIL, we supply complete railway track material solutions including steel rails, rail fasteners, baseplates, and customized processing services for international projects.

 

Specifications of Railway Track Material

 

Steel rails are specified by profile, mass per meter, steel grade, mechanical properties, and dimensional tolerance.Profile determines wheel contact geometry, while mass controls bending resistance and fatigue life.Heavier rails are required for high axle loads and heavy-haul corridors.

 

Rail Steel Grades and International Standards:

 

steel rail

 

Standard System Typical Grades Typical Applications
GB (China) U71Mn, U75V Freight, passenger, crane rail
EN / UIC (Europe) R260, R350HT Mainline railway, heavy haul
AREMA (USA) AAR Grade 1, Premium Freight and passenger
DIN 536 A65, A75, A100, A120 Industrial crane rails
QU Series QU70, QU80, QU100, QU120 Port and workshop cranes

 

Grade Standard / Region Typical Composition (wt%)
R260 EN 13674-1 (Europe) C: 0.67–0.80, Mn: 0.90–1.20, Si: ≤0.50
R350HT EN 13674-1 (Europe) C: 0.75–0.85, Mn: 0.80–1.20, Cr: 0.20–0.50
Grade 260 AREMA (North America) C: ~0.77, Mn: ~1.0–1.2, Si: ~0.2
Grade 350 AREMA + Mill Specs (USA/Canada) C: 0.78–0.83, Mn: 0.90–1.20, Cr: 0.2–0.6, + V/Nb (microalloyed)
BH Rail (Bainitic) JIS E 1101 (Japan), adopted in EU/India C: 0.65–0.80, Mn: 1.0–1.4, Cr/Mo/Ni (optional, mill-specific)
U71Mn GB/T 2585 (China) C: 0.65–0.77, Mn: 1.10–1.40, Si: 0.15–0.35
U75V GB/T 2585 (China) C: 0.67–0.77, Mn: 0.70–1.00, V: 0.04–0.12

 

Types of Steel Track Rail

 

As a professional rail fastener supplier, GNEE RAIL can provide different standard steel rail such as GB,American, BS, UIC, DIN, JIS, Australian and South Africa which used in railway lines, cranes and coal mining.

 

GB Standard Light Rail

 

track rail

 

Classification Height(mm) Head (mm) Bottom (mm) Thick(mm) Weight (kg/m)
Light Rail 8 KG/M 65 25 54 7 8.42
9 KG/M 63.5 32.1 63.5 5.9 8.94
12 KG/M 69.85 38.1 69.85 7.54 12.2
15 KG/M 79.37 42.86 79.37 8.33 15.2
18 KG/M 80 40 80 10 18.06
22 KG/M 93.66 50.8 93.66 10.72 22.3
24 KG/M 107 51 90 10.9 24.46
30 KG/M 107.95 60.33 107.95 12.3 30.1
Heavy Rail 38 KG/M 134 68 114 13 38.733
43 KG/M 140 70 114 14.5 44.653
45 KG/M 145 67 126 14.5 45.546
50 KG/M 152 70 132 15.5 51.514
60 KG/M 176 73 150 16.5 60.64
Crane Rail QU 70 120 70 120 28 52.8
QU 80 130 80 130 32 63.69
QU 100 150 100 150 38 88.96
QU 120 170 120 170 44 118.1

 

JIS E 1103/1101 Standard Steel Rail

 

Standard: JIS E 1103/1101
Size Dimension(mm) Weight
(kg/m)
Length(m)
Head Height Bottom Thickness
JIS 15KG 42.86 79.37 79.37 8.33 15.2 9-10
JIS 22KG 50.8 93.66 93.66 10.72 22.3 9-10
JIS 30A 60.33 107.95 107.95 12.3 30.1 9-10
JIS 37A 62.71 122.24 122.24 13.49 37.2 10-25
JIS 50N 65 153 127 15 50.4 10-25
CR 73 100 135 140 32 73.3 10-12
CR 100 120 150 155 39 100.2 10-12

 

Australian 1085 Standard Steel Rail

 

Standard: AS 1085
Size Dimension(mm) Weight
(kg/m)
Length(m)
Head Height Bottom Thickness
31KG 63.5 117.5 108 11.5 31.5 8-25
47KG 70 141.3 127 14.3 46.5
50KG 70 154 127 15 50.8
60KG 70 170 146 16.5 61
68KG 73.4 186 152 17.5 67.6
73KG 70 157 146 32 73.63
86KG 102 102 165 84.11 85.5
89KG 102 114 178 51 89.81

 

Why use steel to manufacture Track Rail?

 

Steel is used for track rails because of its exceptional strength, durability, wear resistance, and high load-bearing capacity, allowing it to withstand massive train weights, constant friction, impacts, and extreme temperatures without deforming, ensuring safe, efficient, and long-lasting transport. Its excellent fatigue strength, dimensional stability, and cost-effectiveness over time solidify its position as the ideal material, with specialized steel alloys even enhancing performance for high-speed or heavy-haul applications.


Key Properties of Steel for Rails:

 

 

  • Strength & Load-Bearing: Steel's high tensile and compressive strength supports the immense weight of modern trains, preventing crushing or bending.

 

  • Wear Resistance: It resists friction and abrasion from wheels, ensuring rails maintain their shape and smoothness over long periods.

 

  • Durability & Longevity: Steel endures constant stress, vibration, and weather, offering a long service life and reducing replacement costs.

 

heavy rail

 

  • Fatigue Resistance: It handles repeated stress cycles from passing trains without developing cracks, crucial for safety.

 

  • Corrosion Resistance: While steel can rust, specialized treatments and galvanization protect rails, and some steels (like chromium-molybdenum) offer enhanced resistance.

 

  • Performance Under Extremes: Steel maintains integrity in extreme heat and cold, essential for global railway operations.

 

Since 2008, GNEE RAIL has been supplying steel rails of different grades for more than 18 years, steel rails from GNEE is highly recommened in China and abroad.Wtih cutting edge equipment, GNEE produces high quality steel rails that meet with requirements of most countries. Standard rail, head hardened rail, heavy rail,light rail,crane rail and other types are all available here, as one of the China main rail supplier, GNEE RAIL has been working on supplying economical green railway products all over the world.

 

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