What is the weight of a rail?

Jan 13, 2026 Leave a message

Steel Rails are the key parts of the rail track laid in two parallel lines to provide a continuous, steady and level surface for the runnings of trains. Heavier train and fast speed requires higher requirements to withstand stresses, so they are produced from high carbon steel (carbon -0.6 % to 0.8 %, manganese 0.8%-1.3 %, silicon 0.1 % -0.5 %, sulphur and phosphorus0.03 % maximum each, and aluminum 0.015 % maximum).

 

What is the weight of a rail?

 

The weight of steel rails is measured in pounds per yard (lbs/yd) or kilograms per meter (kg/m), while the length is typically measured in feet or meters. The standard weight and length specifications for steel rails vary depending on the type of rail and the application.

 

  • Light Rail:


Light rail is used in light-duty applications, such as light-rail transit (LRT) systems or industrial tracks. The standard weight for light rail ranges from 30 lbs/yd (14.88 kg/m) to 50 lbs/yd (24.79 kg/m), while the standard length is typically 30 feet (9.14 meters) or 36 feet (10.97 meters).

 

light rail

 

  • Standard Rail:


Standard rail is the most commonly used type of rail for heavy-duty applications, such as mainline tracks and heavy-haul lines. The standard weight for standard rail ranges from 90 lbs/yd (44.61 kg/m) to 141 lbs/yd (69.96 kg/m), while the standard length is typically 39 feet (11.89 meters) or 80 feet (24.38 meters).

 

  • Heavy Rail:


Heavy rail is used in the heaviest-duty applications, such as heavy-haul lines and high-speed rail systems. The standard weight for heavy rail ranges from 136 lbs/yd (67.33 kg/m) to 175 lbs/yd (86.58 kg/m), while the standard length is typically 80 feet (24.38 meters) or 120 feet (36.58 meters).

 

heavy rail

 

Factors affecting steel rail weight

 

Factors affecting steel rail weight include train speed, axle load, traffic volume, track geometry, and environmental conditions, with heavier, stronger rails needed for high-speed lines and heavy-haul freight to ensure stability, reduce wear, and minimize vibration, while lighter rails suffice for urban trams or slower lines, balancing performance with cost.

 

crane rail

 

  • Axle Load: Heavier locomotives and freight mean greater pressure, requiring thicker, heavier rails to prevent crushing and excessive wear.

 

  • Train Speed: Higher speeds increase impact and vibration, necessitating heavier rails for stability, especially on high-speed passenger lines (e.g., 60-75 kg/m).

 

  • Traffic Volume (Annual Tonnage): High-density routes need heavier rails to resist fatigue and deformation over time, increasing service life.

 

  • Track Type: Mainlines use heavier rails than industrial sidings or urban light rail (LRT) systems, which have lighter loads and speeds.

 

Steel Rails-Hot Standards from GNEE RAILWAY RAILWAY

 

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

 

Standard Sepc. Material Typical Grade
UIC860 UIC54 700,900A,900B
UIC60
EN13674.1 5.00E+02 R200,R350HT,R260Mn,R35LHT,R320Cr,R370CrHT
5.40E+02
6.00E+02
6.00E+03
BS-11-1985 BS80A 700,900A,900B
BS90A
BS100A
AREMA 115RE SS,HH,LA,IH
136RE
ASCE60 U71Mn
ASCE85 U71Mn
GB 2585-2007 50kg/m U71Mn
60kg/m U75V
75kg/m  
TB/T2344-2012 50kg/m U71Mn,U75V,U77MnCr
60kg/m U78CrV
75kg/m  
GB 11264-1989 8kg/m Q235
12kg/m Q235
15kg/m 55Q, Q235
18kg/m 55Q, Q235
22kg/m 55Q, Q235
24kg/m 55Q, Q235
30kg/m 55Q, Q235
38kg/m 50Mn, U71Mn
43kg/m 50Mn, U71Mn
GB Crane rails QU70 U71Mn
QU80 U71Mn
QU100 U71Mn
QU120 U71Mn

 

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