Zhongxiang 25U mining bracket mining steel bracket

Sectional steel is a type of steel with a cross-section shaped like an English letter, and sometimes the cross-section is in the shape of the Japanese letter ひ.
Purpose
As the main steel section for manufacturing tunnel retractable metal supports, section steel is widely used at home and abroad.
However, due to inconsistent understanding of the performance and requirements of section steel itself, the cross-sectional shape, geometric parameters and materials of section steel vary from country to country.
There are four main types of section steel produced in my country: Among them, the first two are products of the era and are positioned at the waist. The latter two are products of the era and are positioned at the ears. Due to its low carrying capacity, it is rarely produced.
In addition to the above four models of section steel, this model is added in /.
The unit weight of each model of section steel is as follows






The rear belt of the model is expressed as waist positioning.
Names of steel types include cold-formed steel, large-size steel, automobile-specific steel, hot-dip galvanized steel, and other open cold-formed steel.
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