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Classification Of Cold Rolled Ribbed Bars
Sep 28, 2018

Classification of cold rolled ribbed bars


What types of cold rolled ribbed steel can be divided into? How to classify cold rolled ribbed bars? In view of cold rolled ribbed bar customers concern, Gongyi Jindi Metallurgical Equipment Co., Ltd will explain the classification of cold rolled ribbed steel bars.

A, The ribbed bars can be divided into two categories according to the number of ribbed bars

1. Two ribbed cold rolled steel bar: ribbed steel bar with two crescent-shaped ribs on the surface of the steel bar;

2. Three ribbed cold rolled steel bar: ribbed steel bars with three crescent-shaped ribs on the surface of the steel bar.

       

B, According to the different tensile strength can be divided into seven categories

1. CRB550 type ribbed steel bar with a strength standard value of 500 MPa;

2. CRB600H type ribbed steel with a standard strength of 520 MPa;

3. CRB650 ribbed steel with strength standard value of 650 MPa;

4. CRB650H ribbed steel with strength standard value of 650 MPa;

5. CRB800 ribbed steel with a standard strength of 800 MPa;

6. CRB800H ribbed steel with strength standard value of 800 MPa;

7. CRB970 type ribbed steel with strength standard value of 970 MPa.

       

C, Steel bar can be divided according to the different diameter

The diameter of the ribbed steel bars is 5, 6, 7, 8, 9, 10, 11, 12,14,16mm. Gongyi Jindi Metallurgical Equipment Co., Ltd reminder: Different grades of ribbed steel have different diameters.


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