Products Description
43kg steel rails usually adopt a trapezoidal section (or U-shaped section) similar to other heavy rails. Its design can effectively disperse the pressure applied by the train when it passes, reduce the deformation of the track, and improve the stability of the track.
The standard length of 43kg rails is usually 12 meters or longer, which is convenient for laying and reduces the number of joints, thereby improving the continuity and stability of the track.
43kg heavy steel rail is a kind of rail with high load capacity, strength and wear resistance, which is widely used in heavy-duty, long-distance and high-speed railway systems. Its advantage is that it can carry heavy goods and high-frequency trains, and can provide long-term stable use.
Chinese Standard 43kg Heavy Steel Rail
| Parameters | |||
| type | weight (kg/m) | material | length (m) |
| 43kg | 44.653 | 50Mn/U71Mn | 12m/12.5m |
| rail height (mm) | bottom width (mm) | head width (mm) | web thickness (mm) |
| 140 | 114 | 70 | 14.5 |


Other Features
43kg heavy steel rail is a rail with a weight of 43 kg per meter, which is usually used in railway systems that carry heavy loads, operate for a long time and run at high intensity. This type of rail is designed with a focus on load-bearing capacity, durability, and long-term stability, and is widely used in freight railways, some high-speed railways and urban rail transit.
The weight of 43kg rail is 43 kg per meter, which means that it has higher strength and better load-bearing capacity than other light rails, and can effectively share the pressure applied by the train.
43kg rails are generally made of high-quality carbon steel or alloy steel, and undergo strict manufacturing and heat treatment processes to make them have strong strength, wear resistance and corrosion resistance.
Heavy Steel Rail
| Heavy Steel Rail | Size | Rail Height | Bottom Width | Head Width | Web Thickness | Weightkg/m |
| 38kg | 134 | 114 | 68 | 13 | 38.733 | |
| 43kg | 140 | 114 | 70 | 14.5 | 44.653 | |
| 50kg | 152 | 132 | 70 | 15.5 | 51.514 | |
| 60kg | 176 | 150 | 73 | 16.5 | 60.8 | |
| 75kg | 192 | 150 | 75 | 20 | 74.64 |

FAQ
1. What are the materials and standards of the rails?
Answer: Our rails are made of high-strength steel (such as U71Mn, U75V, etc.), which meet international standards (such as EN 13674-1, ASTM A1, BS 11, etc.), and can also be customized according to customer needs.
2. What are the specifications of the rails?
Answer: We provide a variety of specifications, such as 43kg/m, 50kg/m, 60kg/m, 75kg/m, etc., and the length is usually 12.5m, 25m or customized length to meet the needs of different railways.
3. What is the hardness of the rails? How is the wear resistance?
Answer: The hardness of our rails is usually 260-320HB, and they are heat-treated to improve wear resistance, suitable for heavy-duty and high-speed railways.
4. How is the corrosion resistance of the rails?
A: Standard rails are not treated with anti-corrosion treatment, but galvanized or weathering rails (such as Corten steel) are available to enhance corrosion resistance and are suitable for humid or coastal areas.



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