Products Description
43kg heavy steel rails are mainly used for lines that require larger transport loads, such as freight railways, some high-speed railways and long-distance passenger railways. Compared with lighter rails, 43kg rails have higher strength in design and performance, and can meet the needs of high-strength and high-load transportation.
The weight of 43kg rails is 43 kilograms per meter, which means that it is heavier and can better disperse the pressure applied by the train. The greater weight and strength make it suitable for high-load railway systems.
The 43kg rail adopts a "U-shaped" or "trapezoidal" cross-section design similar to other heavy rails. This design can effectively disperse the pressure applied by the train when passing, reducing the deformation and wear of the track.43kg rails usually use high-strength steel, such as alloy steel or high-quality carbon steel, and undergo a heat treatment process to improve their strength, wear resistance and corrosion resistance. This ensures that the rails maintain a longer service life in harsh environments.
Heavy duty 43KG 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
Application scenarios
43kg heavy steel rails are suitable for a variety of railway systems, especially in heavy-load, high-strength and high-speed transportation environments:
Heavy-load railways:
43kg rails are often used for railways that carry heavy goods, such as the transportation of bulk commodities such as coal, steel, and ore. Such lines have high requirements for the bearing capacity of rails, and 43kg rails can meet this demand.
High-speed railways:
In some high-speed railway systems, 43kg rails can also provide sufficient support, especially in lines with high requirements for railway strength. The operation of high-speed trains requires rails to have extremely high stability and bearing capacity, and 43kg rails can provide ideal support.
Long-distance passenger railways:
43kg rails can be used for long-distance passenger railways, especially those that need to carry large transportation volumes and frequent train traffic. It can reduce track wear and maintain stable operation for a long time.
Industrial railways:
Some industrial enterprises, mines or dedicated railway systems, especially railway lines that need to carry heavy-load transportation, also use 43kg rails.
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. Do you provide a third-party quality inspection report?
Answer: We support inspections by SGS, BV or China CCS, and provide chemical composition analysis and mechanical properties test reports (the party responsible for the cost must be confirmed in advance).
2. What is the packaging method?
Answer: Rails are usually bundled and reinforced, with anti-rust paper + waterproof film, or wooden boxes/iron frames as required by customers (extra cost).
3. Transportation method and cost?
Answer: Mainly sea transportation (bulk or container), FOB quotation does not include freight. We can assist in arranging CIF transportation, and the cost is calculated in real time according to the port of destination.
4. Can you provide a certificate of origin?
Answer: We can provide customs clearance documents such as China Certificate of Origin (CO) and FORM A (GSP).



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