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Rebar Series Products
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Cold-rolled ribbed steel bars,Ribbed steel coil,Straight bars weight
CRB550 steel bar is used with ordinary reinforced concrete, other grades is the prestressed concret reinforcement.Hot-rolled steel can become cold-rolled steel by cold processing, for example, to be cold-drawn, drawing at room temperature. Hot-rolled steel is low yield strength, good ductility properties. The cold-rolled steel bar have High yield strength, poor ductility properties. But they both have the ultimate tensile strength.reinforced formed on the surface of cold rolling. And because of the high strength of the reinforcement, good with the concrete, construction convenient, saving timber and other characteristics, so has become the focus of the country's residential construction on the promotion of new building materials. 1.Higher intensity reducing produce hardening of the material strength is improved by cold-rolled. As from hpb235 steel substrate to crb550 grade cold-rolled ribbed steel, tensile strength has been greatly improved, the potential performance of the material has been fully utilized.while maintaining the same strength member, can be reduced appropriately
Hot-Rolled Steel Bar
Hot-rolled steel logo identity: The initial of the hot-Hot-rolled steel logo identity: The initial of the hot rolled steel is H, hot rolled ribbed steel HRB335, HRB400 and so on. Hot-rolled steel is processed directly in the steel plants in the steel furnace steel, is out of the oven is hot (so called "hot rolling") of the finished product, after cooling can be used. From low carbon steel and ordinary steel pressed at high temperature is mainly used for reinforcement of reinforced and prestressed concrete structures, it is one of the varieties of steel used in Civil Engineering largest.
Reinforcing steel bar, Concrete reinforcement, Prestressed steel anchor
Steel bar(Rebar) refers to the use of reinforced concrete and prestressed concrete steel, its cross-sectional area is circular, sometimes rectangular with rounded corners. Including round bar, ribbed steel bars, torsion bars. Reinforced concrete with steel refers to straight or reinforced concrete reinforced with steel plate strip, its shape into round bar and deformed bar two, the delivery status of two straight and circular disc.
Level 1 Steel bar, level 2 steel bar, level 3 steel bar introduction.
Level 1 Steel bar, level 2 steel bar, level 3 steel bar are distinguished by the mechanical property. Therefore, accordance to the needs of social production development, China nation create the mechanical properties of standard materials. A reinforcement yield strength 235MPa tensile strength: 370Mpa Elongation 25% Two steel yield strength 335MPa tensile strength: 445Mpa Elongation 17% Three steel yield strength 400MPa tensile strength: 540Mpa Elongation 16% Four steel yield strength 540MPa tensile strength: 630Mpa Elongation 15%
Cold-drawn steel bar, 2 side cold-drawn steel bar, cold-rolled ribbed steel bars
Cold-rolled ribbed steel bars are made of hot rolled rod by cold rolling, wire diameter-reducing, a steel bar having one of two or three crescent-shaped face by pressuring ribs and elimination of internal stress. Cold-rolled ribbed steel bar as the prestressed concrete members, it is the new choose instead of cold drawn low carbon steel wire, in-situ concrete structure, you can use Ⅰ grade steel, in order to save steel, it is better one from the common steel material.
CRB550 cold-rolled ribbed steel Size and scope of application
Mechanical properties of CRB550 steel: CRB550 which grades were specified in the ordinary cold-rolled ribbed steel national standards, specifications d range of 4-12mm CRB550 tensile yield strength of 500 to 550 maximum total elongation Agt> 2%.Reinforced steel bar can be made into reinforcing mesh by large CNC welding machine. Steel mesh application is very extensive, its name because of geographical and used to call it a lot, there are mainly two kinds of cold rolled steel, hot rolled steel fabric. One of the ribbed and not ribbed. Ribbed steel fabric, rib steel, light steel fabric, shape steel mesh, D6, D8, D10... A5 and A6... C6, C10... B6, B12... E8... Steel fabric such as different name.

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