12# Mine steel arch

• Description
• Parameters

• 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: 12#
  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.

  Tel: +86 199 3712 3680
  WhatsApp: +86 199 3712 3680
  Email: zxminesupport@zxsteelgroup.com

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