u steel support

U steel support is a kind of steel that the cross section is like English letters“U”,sometimes the shape of cross section islikeJapanese letters "ひ".

The latest standards were released in 2008, the national recommendation standard GB/T 4697-2008 to be implemented on 1 April 2009.

U steel support

Mainly characteristic: bear big pressure, support time is long, easy installation and not easy to deform etc.

Mainly application: mainly used in mine tunnel,second support of mine tunnel, and the support of mountain tunnel.

It is used as the main profile steel ofthe compressible metal support of tunnel, U-shaped steel is widely used at domestic and overseas.

The single weight of each model U steel is as follow:

18UY：18.96 kg/m

25UY：24.76 kg/m

25U：24.95 kg/m

29U：29 kg/m

36U：35.87 kg/m

40U：40.05 kg/m