Hot Rolled AISI 4140 4130 Low Carbon Alloy Steel Solid Round Rod Steel Bars

Nov 19, 2025

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Product Specification

SpecificationsRound barDiameter:6~500mm
Hexagonal barSize: 2mm~100mm
Flat barThickness0.3~200mm
Width1~2500mm
MaterialSquare barASTM(1005,1006,1008,1010,1015,1020,1025,1030,1035,1040,1045,
1050,1055,1060,1065,1070,1080,1084,1016,1022)
DIN(Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4)
BS(040A04,095M15,045M10,080A40,045M10,080M50)
GB(Q195, Q235,Q345)
Length2m, 5.8m, 6m, or as required.
SurfaceBlack, peeled, polishing, bright, sand blast, hair line, etc.
Price TermEXW, FOB, CFR, CIF, etc.
Delivery TimeStandard size is in stock,prompt delivery or as order's quantity.
PackageExport standard package, bundled or be required.
The inner size of container is below:
20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high)about 24-26CBM
40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM
40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM

 

 STEEL ROD

It can be divided into Hot rolling, Forging and Cold drawing according to process. It can be divided into low carbon steel, medium carbon steel and high carbon steel according to chemical composition. It can be divided into carbon structural steel and carbon tool steel according to application.

Hot Rolled AISI 4140 4130 Low Carbon Alloy Steel Solid Round Rod Steel Bars

Packaging & Shipping

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

Hot Rolled AISI 4140 4130 Low Carbon Alloy Steel Solid Round Rod Steel BarsContainer sizes:
20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High)
For 20feet container load 20tons-25tons.

For 40feet container load 25tons-28tons.

 

1.What is a carbon steel bar?

 Carbon steel bars are elongated products made primarily of carbon and iron, featuring varying amounts of carbon content. They are distinguished from other steel bars by their increased tensile strength, durability, and malleability.

 

2.Is carbon steel real steel?

Absolutely. Carbon steel is as real as it gets. It's a substantial category within the steel family, defined primarily by its carbon content. This classification includes everything from the softest, most ductile grades to the hardest, most wear-resistant forms.

 

3.Is carbon steel stronger than steel?

Mild steel is better used for low-stress applications due to its ease of fabrication and low cost, while carbon steel (from medium carbon steel to ultra high carbon steel) is better used for high-strength applications due to its high carbon content and strength.

 

4.Which is better, SS or MS?

Fabrication. As chrome is a hard alloy, stainless steels are much more impact resistant compared to mild steel and (although relatively easy to fabricate) are not as easy to fabricate as mild steel. Mild steel is much more malleable compared to stainless and so is used a lot in general fabrication.

 

5.What are the disadvantages of carbon steel?

Carbon Steel Disadvantages
Because it's so strong, carbon steel is difficult to work with. It can't be easily bent and molded into different shapes, thus limiting its utility in certain applications. Carbon steel is also more susceptible to rust and corrosion than other types to steel.