Carbon Structural Steel Round Bars Q235CR

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
120000 m.t./month

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Product Description:

 Carbon Structural Steel Round Bars Q235CR

PRODUCT SPECIFICATION

1, Chemical Composition %

GradeCSiMnSPCr
Q235CR≤0.22≤0.35≤1.4≤0.050≤0.045≥0.30

2, Mechanical Properties 

Strength of Extension σbYield Strength  σsElogation δ5
375-500 Mpa≥235 Mpa≥25 %

3, Diameter: 9mm - 80mm

   

APPLICATION

 1, Widely used in construction and engineering structure.

 2, Widely used in making reinforcing steel bar or building plant room rack, high voltage transmission tower, bridge, vehicle, boiler, vessel, ship, etc.

 3, Widely used in manufacturing mechanical parts which are not required to be with high performance.

 4, Q235CR with grade C or D can be used as steel with special use.

 5,  Can be used in making all kinds of mould hand and other unimportant mould parts.

 6, Can be used as punch material.

 

PRODUCT MAIN POINTS

1, Heat Treatment: normalizing, annealing, tempering, quenching

2, Surface Treatment: black, grinding, bright, polish

3, Product Process: hot rolled, cold drawn, forged

 

FAQ

1,  Payment Terms:

      30% T/T deposit & 70% T/T before delivery.

      Irrevocable L/C at sight

2, Trade Terms:

     FOB, CIF, CNF

3, Delivery Time:

     Normally 30-40 days. According to quantity.

4, Manufacture or Trading Company:

    CNBM is a state-owned fortune global 500 trading company. We have intergrated supply system.

     There are about 20 overseas locations in different countries.

 

PRODUCT SHOW

Carbon Structural Steel Round Bars Q235CR

ABOUT US

Carbon Structural Steel Round Bars Q235CR

Carbon Structural Steel Round Bars Q235CR

 

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Q:Why is it better to use round steel than flat steel in lightning protection?
In the construction of lightning protection, both round bar and flat steel have different uses. Flat steel is generally suitable for horizontal connection between vertical grounding poles for lightning protection. Round steel is suitable for lightning protectionThe guiding line and connected with lightning. The roof, all of the junctions are connected by welding requirements do not exist, what striking issues... The technical norms of the state said so, does not have what good and bad problem
Q:Will the theoretical weight of thread steel and round steel be the same?
The rebar is a kind of small section steel, mainly used for the skeleton of reinforced concrete construction members. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
Q:Is yuan steel round steel?
Yes.Round steel is a solid strip of steel whose cross section is round. Its specifications are expressed in diameter, in units of millimeters (mm), such as "50mm", which means a diameter of 50 millimeters of round steel.
Q:What is the difference between cast iron and round steel?
Cast iron is composed of iron ore by crushing and grinding into powder, into the furnace after high temperature calcination into liquid (commonly known as iron) and then poured into the special mould after cooling into ingot is also called billet or iron, iron is the main component of alloy is composed of iron, carbon and silicon.
Q:Are the bolts for the round bar or round steel?
The template is generally used round bar, two ends of the wire, wear the backing plate after the nut.
Q:What is the mechanical properties of No. 40 round bar?
There are 20 kinds of steel classification: carbon steel, alloy steel, carbon structural steel, special purpose and so on. Look at the questions this afternoon and find out about the books. Which type of steel do you ask? This is not clear, I gave up the answer, and then I see your this question.
Q:The problem of dowel bars on concrete pavements?
Light bar shall be adopted for dowel barWith transverse expansion joint as an example: in the face of layer thickness is 220mm, dowel diameter is 28mm (28), the minimum length of the dowel bar is 400mm, the maximum dowel bar spacing is 300mm.
Q:Do you need paint for roof lightning proof steel bars?
The roof of the round steel as long as the welded joints painted anti rust paint is good, should not be painted a large area. When the flash device is made of steel material, hot-dip galvanized steel shall be used and corrosion resistant by zinc plating.
Q:How to distinguish a round bar from forging? Cold drawing? Hot rolling?
The main differences are in mechanical properties. Forged round steel is used in the processing of some special performance requirements. Round steel three processing methods are more common, should be very wide surface.
Q:Why do I use the M25 round bar for the embedded bolt M24?
The problem is that the reinforcement of this 36 is not ordinary steel. This steel bar is called general round bar, and its diameter is 36.2MM. Its concentricity is very high, it is a kind of reinforcing steel that is specially designed for bolt

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