What is P18 steel rail?
P18 steel rail is a type of I-beam steel widely used in the railway, construction, and mining industries. P18 steel has a compact size, lightweight, and is easy to transport and install. P18 has high load-bearing capacity and good wear resistance, ensuring the safety of vehicles moving on the rails.
P18 rails are classified as light steel rails, along with P11, P15, P22, P24, and P30 rails.
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Specifications of P18 steel rail
P18 rails are manufactured to the international standard GB11264-89 with a tensile strength of 586- 785 Mpa. According to this standard, the steel has the following specifications:
- Thickness: 10 mm
- Height: 90 mm
- Base width: 80 mm
- Face width: 40 mm
- Length: 6 m – 12 m
- Weight: 18 kg/m
Composition and properties of P18 steel
P18 steel is produced from steel grades such as Q235, Q235B, 40Mn, 50Mn, and 71Mn. Among them, Q235 steel is the most common type of steel, widely used in construction projects. The chemical composition and mechanical properties are as follows:
Chemical composition
| C (%) | Si (%) | Mn (%) | P (%) | S (%) | N(%) | |
| Content | 0.23 – 0.28 | 0.15 – 0.3 | 0.7 – 1.1 | ≤ 0.035 | ≤ 0.035 | ≤ 0.003 |
Mechanical properties
| Grade |
|
|
| |||
| Q235 | 235 Mpa | 370-500 Mpa | 26 | |||
| Test Sample: Steel Plate Q235, (Mpa=N/mm2) | ||||||
Advantages of P18 steel
P18 rails have the following outstanding advantages:
- Compact size, lightweight, and easy to transport and install.
- High load-bearing capacity and good wear resistance, ensuring the safety of vehicles moving on the rails.
- Reasonably priced, suitable for the needs of many customer groups.
Applications
P18 rails are used in the following fields:
- Railway: P18 is used to make main lines, curves, and tunnels of railways.
- Construction: P18 steel is used to make rails for tower cranes and overhead cranes.
- Mining: P18 rails are used to make vehicles for transportation vehicles.
Price of P18 steel rail
The price of P18 steel rails changes over time, depending on market demand, exchange rates, transportation costs, and other factors. The price of P18 steel rails is quoted in units of kg, ton, or meter.
Don’t hesitate to get in touch with the sales department of VINALIFT for the best price quotation in real time.
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