25Mng Carbon Steel Tube
Oct 10, 2023
Good toughness: Similar to other low-alloy steels used for boiler tubes, 25MnG has excellent toughness, which reduces the risk of brittle fracture during operation.
Corrosion resistance: The composition of 25MnG includes elements like manganese, which provide good resistance to corrosion and oxidation at high temperatures.
Low thermal expansion coefficient: 25MnG has a low thermal expansion coefficient, which reduces the risk of thermal stress during operation.
Good dimensional accuracy: 25MnG high-pressure seamless boiler tubes have precise dimensions and tolerances, which ensures that they fit perfectly and function correctly in their intended applications.
High-temperature performance: 25MnG can withstand high temperatures of up to 650℃, making it suitable for use in high-temperature environments.
Durability: When manufactured according to strict standards, 25MnG high-pressure seamless boiler tubes offer reliable and safe performance in high-pressure, high-temperature applications.

Chemical composition of GB 5310 25MnG high pressure seamless boiler tubes
| Steel Grade | C | Si | Mn | S | P |
| 25MnG | 0.22-0.27 | 0.17-0.37 | 0.70-1.00 | 0.015 | 0.025 |
Mechanical properties of GB 5310 25MnG high pressure seamless boiler tubes
| Grade | Tensile strength | Yield point(Mpa) | Elongation(%) | Impact(J) |
| (Mpa) | not less than | not less than | not less than | |
| 25MnG | 485-640 | 275 | 20/18 | 40/27 |
The company is located in Anyang City, Henan Province, and mainly deals with square pipes, seamless steel pipes, welded pipes and other products. The company has a customer-centered sales and service system. The quality control system is perfect, and the varieties and specifications are complete. Variety specifications are complete. Committed to customizing products according to user needs, we provide customers with a full range of services such as material selection, trade, processing, distribution and other processes. Highlight the cost reduction and efficiency, and provide customers with quality services.







