Product Overview

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On the surface of reinforcing bar, there are axial asperity and lateral rib, which increase attachment to concrete and complement the concrete’s vulnerability to tensile stress. As a result, it improves compression and tension.
Depending on the usage, it is categorized as general use, for welding, and for special seismic to withstand earthquakes. It is commonly used for civil engineering and construction.

Steel type and specification

Product Applicable standards and usage Signs by type Designation
Reinforcing Bar For general use SD300, SD400, SD500, SD600, SD700 D10 ~ D57
For welding SD400W, SD500W
For special seismic SD400 S, SD500 S, SD600 S, SD700 S

Unlike reinforcing bars, this screw-shaped product without longitudinal rib is different from normal reinforcing bars. Processing is not needed. With coupler connection, it is mainly used to support facade of tunnel or subway construction.

Steel type and specification

Product Applicable standards and usage Signs by type Designation
Rock Bolt Steel bars for concrete reinforcement SD400 RB22 ~ RB29