Mining i beam is also called mine beam, it is a typical profile in the current mining industry and the coal support field, this type of steel is named for its section. Mainly used for the support
of mine tunnel.
Application: It is mainly used in mine roadway, secondary support of mine roadway and supporting support for the tunnel.
Specification: T chanel support, arch support
Size: 11#
Material: Q345B
Characteristic: High pressure, long support time, easy to install, etc.
1. The outer edge of the i-steel shall not be more than 2.4% of the width of the legs.
2. The bending deflection of the i-steel shall not be greater than 1.0mm.
3. The degree of eccentricity of i-steel shall not be more than 2% of the width of the legs. Degree of eccentricity = b2-b1/2.
4. The bending degree of the steel shall not be greater than 3mm.
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12# mine i beam: mine i beam is commonly referred to mine steel, it is a type of mine steel, mainly used for the support of mine tunnel, flange width, height and thickness. 1, standard: YB/T24-1986/2 2, size specification: Type: 12# Heigh: 120±2.0 Leg width: 95?2.0 Web ...
11# mine i beam: mining i beam is commonly referred to mine steel, it is a type of mine steel, mainly used for the support of mine tunnel, flange width, height and thickness. 1, standard: YB/T24-1986/2 2, size specification: Type: 11# Heigh: 110±2.0 Leg width: 90±2.0 Web ...