Main Material
Characteristics: 20Mnk material has high strength and toughness, can withstand greater pressure, and at the same time has good corrosion resistance.
Application: This material is widely used in the strata with more water in the roadway and humid environment, because it can effectively resist the erosion of the stent in the humid environment.
Other materials
Although 20Mnk is the most commonly used material for Steel Mine Supports, other types of steel may be used to manufacture Steel Mine Supports according to specific application scenarios and needs. These steels usually have similar mechanical properties and corrosion resistance, but may differ in some specific aspects (such as strength, toughness, weight, etc.).
Third, material selection considerations
The following factors need to be considered when choosing the material of Tunnel Roof Support:
Roadway conditions: including the width, height, shape and geological conditions of the roadway, etc. These factors will directly affect the bearing capacity and stability of the bracket.
Service life: different materials have different service life and need to be selected according to the actual demand.
Cost: the cost of different materials may differ, which needs to be weighed according to the budget.
Environmental requirements: in some areas with high environmental requirements, it may be necessary to choose materials with less impact on the environment.
