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Cold rolled ribbed bars |
Author: Source: Views:1751次 Updated:2014-11-15 14:59:32 |
Cold rolled ribbed steel bar is made of hot rolled wire rod by multichannel cold-rolled, reducing a rib rolling and after stress relief form of a steel bar with two or three surface crescent. Cold rolled ribbed steel bar is the upgrading production of cold drawn low carbon steel wire in prestressed concrete members. In cast-in-situ concrete structure, steel can be instead ofⅠgrade steel bar, in order to save steel, is better one in the same kind of cold rolled steel。 Cold-rolled ribbed steel grades by the CRB and reinforced the tensile strength of the minimum. C、R 、B, respectively (cold - rolled), cold-rolled ribbed (ribbed), steel bar (bars) three words of the first letter in English.CRB550, CRB650, cold rolled ribbed bar CRB800, CRB970 and CRB1170 five grades.CRB550 for ordinary reinforced concrete with steel.
Cold rolled ribbed bar has the following advantages. 3.1 Steel Bar Grade and Chemical Composition Wire Rod Size and Chemical Composition for Cold Rolled Ribbed Steel Bar
2. Dynam Capability and Technic Capability for cold rolled ribbed steel bar
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