High pressure, long support time, easy to install and not easy to deform.
Main uses of Q460 U-shaped steel: mainly used for mine roadway, secondary support of mine roadway, and support of mountain tunnel, etc Main features: high pressure, long support time, easy to install and not easy to deform, etc. As the main section steel of roadway retractable metal support, U-shaped steel is widely used at home and abroad.
Main uses of Q345 U-shaped steel: mainly used for mine roadway, secondary support of mine roadway, and support of mountain tunnel, etc Main features: high pressure, long support time, easy to install and not easy to deform, etc. As the main section steel of roadway retractable metal support, U-shaped steel is widely used at home and abroad.
Main uses of Q420 U-shaped steel: mainly used for mine roadway, secondary support of mine roadway, and support of mountain tunnel, etc Main features: high pressure, long support time, easy to install and not easy to deform, etc. As the main section steel of roadway retractable metal support, U-shaped steel is widely used at home and abroad.
Main uses of Q235/S235JR U-shaped steel: mainly used for mine roadway, secondary support of mine roadway, and support of mountain tunnel, etc Main features: high pressure, long support time, easy to install and not easy to deform, etc. As the main section steel of roadway retractable metal support, U-shaped steel is widely used at home and abroad.
Main uses of Q355 High strength U-shaped steel: mainly used for mine roadway, secondary support of mine roadway, and support of mountain tunnel, etc Main features: high pressure, long support time, easy to install and not easy to deform, etc. As the main section steel of roadway retractable metal support, U-shaped steel is widely used at home and abroad.
Q690 High strength U-shaped steel
Main uses of Q690 High strength U-shaped steel: mainly used for mine roadway, secondary support of mine roadway, and support of mountain tunnel, etc Main features: high pressure, long support time, easy to install and not easy to deform, etc. As the main section steel of roadway retractable metal support, U-shaped steel is widely used at home and abroad.