Carbon Structural Steel Square Bars SAE1020CR

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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 Square Bars SAE1020CR

 

Product Specification

1, Chemical Composition %

GradeCSiMnSPCrNiCu
SAE1020CR0.17-0.240.17-0.370.35-0.65≤0.035≤0.035≤0.25≤0.25≤0.25

2, Mechanical Properties 

Strength of Extension σbYield Strength  σsElogation δ5

Reduction of Area ψ

Hardness (no heat treatment)
≥410(42) Mpa≥245(25) Mpa≥25 %≥55 %≤156HB

 

Application

1, can be used to produce various types of rivet, bolts and welding structural parts.

2, can be used to produce seamless pipes, mold, steel plate, U-steel and joist steel

 

Product Main Points

1, high quality with competitive price

2, certifictes are available

3, heat treatment specification: tempering, 910 ℃, air cooling

4, heat treat ment: normalizing, annealing, tempering, quenching

5, surface treatment: black, polished, galvanized

6, 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 Square Bars SAE1020CR 

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Carbon Structural Steel Square Bars SAE1020CR

Carbon Structural Steel Square Bars SAE1020CR

 

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Q:What kind of material is the first round steel?
[round bar] refers to the cross section of round solid steel. Round bar is divided into three parts: hot rolling, forging and cold drawing.
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:Are steel and round steel the same thing?
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:Which is hard, round steel or screw 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 them: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets
Q:How to distinguish between cold plating and hot rolled round steel?
The difference between galvanized products: hot galvanized surface is not cold galvanized, delicate and bright, but the thickness of zinc coating, hot galvanizing is cold galvanized dozens of times. Corrosion resistance is also tens of times zinc plating.
Q:What's the difference between round steel and other steel bars?
Strength is not the same. The low strength steel, and other steel with high strength, the 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, while the other bars in tensile deformation is the former is much smaller.
Q:Is steel bar round wire? What's the difference? What are the main applications of wire rod?
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 them: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets.
Q:Is round steel bar round steel?
Yes.From the shape of points for the light round steel, crescent steel, rebar.From the strength of reinforcement is divided into one level (235), two (335), three (435), four (435)Cold drawn from the production process (first tensioning and long pull method), cold and so on
Q:Excuse me and steel disc round what is the difference?
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. 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. Where: 5.5-25 mm small round steel mostly straight bundles of supply, used for steel, bolts and various mechanical parts; greater than 25 mm round steel, seamless steel pipe is mainly used for the manufacture of mechanical parts of the tube, etc..
Q:Lightning protection earthing zinc plating flat iron and round steel welding method, need to flat iron wrapped in round steel outside welding?
Don't need, but the welding seam area not less than round or flat between the relatively small cross section, the weld to coated with anticorrosive paint. Generally speaking, the grounding part does not use steel, galvanized L type flat iron good effect (copper strip and galvanized L type flat iron is not much, just life is long, but the cost is much higher), round only used as grid wiring.

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