12# 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: 12#

Heigh: 120±2.0

Leg width: 95?2.0

Web thickness: 11±0.6

Material: Q275B, Q275

Annotation:

1, The outer edge of the i-steel shall not be more than 2.4% of the width of the legs.

2, The bending of the steel shall not be greater than 1.0mm.

3, The eccentricity of the steel shall not exceed 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, total curvature must not exceed 0.3 percent.

As an international trade subsidiary of Zhongxiang Steel Group Inc., was founded in 1997. We have more than two decades experience on this field, covering an area of 33,000 square meters, with about 300 employees, 4 production lines, 2 R & D department, and 5 quality control staff. With advanced technology, powerful processing capacity and excellent service, our products have been well recognized by our customers from domestic & overseas market. 
Our products mainly used by railroads, mining companies, heavy industries, overhead crane, railroad and tunneling industry, transit authorities, and operators of port facilities. 

Tel: +86 199 3712 3680

Email: zxminesupport@zxsteelgroup.com