Carbon Structural Steel Round Bars ST37-2CR

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Shanghai
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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 ST37-2CR

 

Product Specification

1, Chemical Composition %

GradeCSiMnSPCr
ST37-2CR0.21-0.25≤0.35≤1.4≤0.045≤0.045≥0.30

2, Mechanical Properties 

Strength of Extension σbYield Strength  σsImpact AKv
340-470 Mpa≥235 Mpa≥27J

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.

 

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:

     EXW, 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.

 

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Carbon Structural Steel Round Bars ST37-2CR

 

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Carbon Structural Steel Round Bars ST37-2CR

 

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Carbon Structural Steel Round Bars ST37-2CR

Carbon Structural Steel Round Bars ST37-2CR

 

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Q:Embedded bolts M24 why use M25 round steel?
Because M25 round steel machine processing, the direct use of M24 round steel accuracy is not guaranteed
Q:Is round bar steel?
Round steel is the term of steel structure, and the requirement of material is different from that of concrete structure.
Q:What is the difference between 40Cr round steel and 40Cr steel forgings?
Generally speaking the 40Cr steel is a kind of hot rolled steel (rarely cold). The need for heating the material before hot rolling process is or rolled, usually heated to above the recrystallization temperature, then condensation formed after the bar, of course I say is very simple, there are many steps.
Q:Why can't the grounding device be replaced by steel bar instead of round steel?
1, it is the surface problem. The bigger the surface, the easier it is to discharge the point.2, the thread steel belongs to high carbon steel, conductivity is inferior to round steel.
Q:Is yuan steel round steel?
The difference between steel and other steel: 1 is not the same, round shape light round, no pattern without ribs, other steel surface appearance is engraved or ribbed, cohesive force that cause steel and concrete, and the bond strength of steel and concrete in the other. 2 ingredients are different, round steel (grade a steel) belongs to ordinary low carbon steel, and other steel bars are mostly alloy steel.
Q:What's the difference between Q345 round steel and No. 45 round steel material?
Q345 round steel is different from round steel No. 45:Q345 round steel containing Mn, but containing C below 45# round bar45# round steel containing C is higher than Q345 round steel, but without Mn
Q:Is round steel round steel?
Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of which: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. Round bars larger than 25 millimeters are used mainly for making mechanical parts or for seamless steel tubes.
Q:Are the bolts for the round bar or round steel?
The utility model relates to a pair of bolts which are used for drawing between the inner and the outer formwork of the wall when the beam and the column template are set. The bolt under concrete lateral pressure and other loads, ensure the spacing inside and outside the template can meet the design requirements, but also the template and its support structure fulcrum, so the impact on the overall arrangement of bolt, the template structure stiffness and strength greatly.
Q:Weight algorithm of round steel
1, the appearance is different, round steel appearance of round, no grain without ribs, other steel surface appearance has carved or ribbed, this causes the round bar and concrete bonding force is small, and other steel and concrete bonding force.2 ingredients are different, round steel (grade a steel) belongs to ordinary low carbon steel, and other steel bars are mostly alloy steel. 3 strength, steel and other steel with high strength low strength, namely, diameter of the same size as compared with other steel, round steel can bear the pulling force than other reinforced small, but the plastic steel reinforced bar is stronger than the other, there is a large deformation in the break before, and it reinforced the deformation the break before the much smaller.
Q:Difference between cold drawn round steel and round steel
Cold formed steel allows partial buckling of the cross section, thus taking full advantage of the post buckling capacity of the member, while the hot-rolled section does not allow partial buckling of the cross section.

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