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Common sizes: φ5.0mm-φ12mm.

Cold rolled ribbed steel bar is a new model practical construction steel materials. It is widely used as the fitting bar for various steel bar concrete structure engineering and making of various construction components. With its high strength and the fixing strength with concrete, its sufficient plastic property, it can enhance the technical and the quality of the engineering, reduce the cost of raw materials and the cost of engineering at the same time. The finished products can be round coil or straight sizes.

 

 

 

 

 


Dynam Capability and Technic Capability

Grade
MPa≥
(Tensility)≥
(Bend Test)180
Bend Time
δ10
δ100
CRB550
550
8.0
-
D=3d
-
CRB650
650
-
4.0
-
3



Wire Rod Size and Chemical Composition for Cold Rolled Ribbed Steel Bar

Steel Bar Grade
Wire Rod Grade
Chemical Composition
C
Si
Mn
v/Ti
S
P
CRB550
Q215
0.09~0.15
≤0.03
0.25~.055
-
≤0.050
≤0.045
CRB650
Q215
0.14~0.22
≤0.03
0.30~0.65
-
≤0.050
≤0.045

 

 

 
 

Notice
The 120 Canton
FairDate: Oct 15 - Oct19, 2016 Booth No.: 14.4 D33

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