AISI 1045 Carbon Steel Round Bar

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Loading Port:
China main port
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Min Order Qty:
5 m.t.
Supply Capability:
100000 m.t./month

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Item specifice:

Standard: AISI,JIS,GB,BS,DIN,API,EN,ASTM Technique: Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring Shape: U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment: Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated Steel Grade: Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B) Certification: ISO,SGS,CE
Thickness: as required Length: as required Net Weight: as required

Product Description:

 AISI 1045 Carbon Steel Round Bar     


 ASTM A29/A29M-04




1 Metric Ton




6m,12m or as required.

Diameter Tolerance

As required

Condition of delivery

Hot rolled,Cold Rolled or as required.

Chemical Composition(%)

















Mechanical Properties(In Quenching and Tempering)

Tensile strength

Yield strength


Reduction in Area









≥ 600Mpa

≥ 355Mpa






Packaging & Shipping

Packaging:  According to customer's requirements or export standard.

Shipment:   By express,mainly suitable for samples.

                   By air ,mainly suitable for urgent orders.

                   By ship ,suitable for large quantities,cheaper but a bit slower.


Our Products

Steel wire, Steel Round bar

Diameter: 0.14mm-2000mm

Steel Square bar
Size : 50mm * 50mm-600mm *600mm

Steel Plate(sheet), flat steel bar
Thickness: 0.1mm-800mm  Width: 10mm to 1900mm

Cold-rolled Plate(sheet)

Thickness: 0.1-8mm   Width: 1000mm

Hot-rolled Plate(sheet)

Thickness: 6-200mm  Width : 210-1900mm

Surface: 2B, BA, 6K, 8K, 12K, etc.

Welded/seamless Steel Pipe(tube) 
outer diameter: 6-219mm  wall thickness: 1-35 mm.

Length: according to the customer's requirements.

Condition of delivery

Hot-rolling+annealing,normalizing+tempering,quenching+tempering,cold-drawn or according to the customer's requirements.

Surface: rough machining,fine machining,polishing,bright,pickling,black or according to the customers’ requirements.

Furnaces for metallurgical processing: electrode arc + LF,VD,VOD,ESR,Vacuum consumable electrode.

Ultrasonic inspection: 100% ultrasonic inspection for any in perfections or according to the customers’ requirements.

All of our steels can be customized(standard GB, ASTM, JIS, DIN, etc.)

AISI 1045 Carbon Steel Round BarAISI 1045 Carbon Steel Round Bar

AISI 1045 Carbon Steel Round BarAISI 1045 Carbon Steel Round Bar

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Q:How can a round steel weld on a flat steel plate be flat and qualified?
On both sides of the steel and welded steel plate, each side of the weld length of 5 times the diameter of reinforcement, welding seam should be welded into a convex arc that is.
Q:What is the difference between 40Cr round steel and 40Cr forging parts?
The utility model has the advantages of high strength and good plasticity, and is suitable for making important parts with large force and high requirement.The properties of forgings are superior to those of ordinary ones.
Q:Why is it better to use round steel than flat steel in lightning protection?
From the cross section, thermal stability as long as meet the discharge current can be, but from the lightning protection downlead selection, selection of round steel in order to prevent the tip discharge, so we generally do not choose flat edges as grounding, buried in the earth round and not flat how much difference, but in the case of the same section
Q:The two project is to use rebar or rebar?
It is recommended to use thread steel as far as possible, because the bonding force and holding force of the thread steel is better than that of the round steel, and it is generally known that the tensile pulling force of the round steel is relatively poor.
Q:Difference between round bar and other steel bars
It is divided into three kinds: hot rolling, forging and cold drawing. Round steel (grade 1 steel) belongs to ordinary low carbon steel, and most other steel bars are alloy steel. Round steel is of low strength and high strength of other steel.
Q:How to determine the welding seam height of steel plate and steel bar?
How to determine the welding seam height of steel plate and steel bar?:If the steel plate surface and steel end vertical welding, welding angle height depends on the diameter of the steel, general welding angle height is 0.7 times the diameter of reinforcement;
Q:What's the difference between bar and round bar?
Bars can be either round or square or six sides.Another argument is that bars usually refer to short ones. The rounds are not cut, usually 6 meters long supply.
Q:The difference between round steel and 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 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, and more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets
Q:What's the difference between round steel and other steel bars?
Different appearance, round steel appearance garden, no grain without rib, other steel surface has carved or ribbed. This causes the round bar and concrete bonding force is small, and other steel and concrete bonding force
Q:20 round bars are of several grades
At different levels of chemical composition, because of the reinforcing of different chemical composition of the steel, the mechanical indicator will be different. One, two, according to the social needs of Sansteel production power and the development of the material standard, the yield strength, ultimate strength, elongation, low temperature, and weldability are very different, different levels of steel position also have great cooperation. First grade steel yield strength 235MPa, ultimate strength 310MPa, grade two steel yield strength 335MPa, ultimate strength 510MPa, grade three steel yield strength 400MPa, ultimate strength 600MPa.

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