Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of hot rolled u75v 60kg/m gb heavy rail in China, also supports customized service with low price. Please feel free to buy cheap hot rolled u75v 60kg/m gb heavy rail made in China here from our factory.
Product introduction
Application Of Hot Rolling Technology in Rails：https://www.chinarailfastener.com/news/application-of-hot-rolling-technology-in-rails-84971920.html
60kg/m U75V material is the mandatory standard for GB high-speed rail. U75V is a high-carbon steel. Compared with the general-purpose ordinary carbon steel U71MN material, the ratio of alloy elements makes the heavy rail have better performance in terms of strength, hardness and load-bearing. At the same time, the U75V material also makes the welding performance of the heavy rail better and ensures the welding quality. The use of hot rolling technology has greatly improved the toughness, wear resistance and other mechanical properties of the rail.
| Chemical Components % | |||||||||||||
| Mark | C | S1 | Mn | P | S | V | |||||||
| U75v | 0.71-0.80 | 0.50-0.70 | 0.75-1.05 | ≤0.025 | ≤0.025 | 0.04-0.12 | |||||||
| Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Hardness (HBW) | Impact toughness (Akv, J) | |||||||||
| ≥980 | ≥510 | ≥10 | 260-300 | ≥20(normal temperature) | |||||||||
U75V/U71MN material comparison：https://www.chinarailfastener.com/news/u71mn-u75v-material-comparison-84971977.html
| Grade | Tensile strength (MPa) | Hardness (HBW) | Features | |||||||
| U75V | ≥980 | 260-300 | Vanadium microalloying, good wear resistance | |||||||
| U71Mn | ≥880 | 260-280 | General rail, high cost performance | |||||||
Product application
Product specifications
FAQ
Q: What is the shipping port?
A: You can choose the port according to your needs.
Q: About the product price?
A: Due to the cyclical changes in raw material prices, prices vary in different periods.
Q: What certifications do your products have?
A: We have ISO 9001, EWC and other certifications.
Q: Can I visit your factory?
A: Of course, we welcome customers from all over the world to visit our factory.
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