According to GB standards, heavy rails can be divided into 38 43 45 50 60 75KG, which are often used in high-speed railways, urban transportation tracks and other scenarios. GB heavy rails have good wear resistance and impact resistance, and can ensure the smooth operation of the train when the train brakes or brakes. The most commonly used material is U71Mn,Railway U71Mn GB heavy rail is a common type of heavy rail with a high carbon content. Carbon is an important element for improving the strength and hardness of steel, and can increase the wear resistance and compression resistance of the rail.


| U75V U78CrV U71MN | 50kg/m | ||||||||
| 43kg/m | |||||||||
| 38kg/m | |||||||||
| 33kg/m | |||||||||
| 60kg/m | |||||||||
| 75kg/m |

Populære tags: railroad u71mn gb heavy rail, China railroad u71mn gb heavy rail manufacturers, suppliers, factory





