• Carbon Steel Round Bar System 1
  • Carbon Steel Round Bar System 2
  • Carbon Steel Round Bar System 3
Carbon Steel Round Bar

Carbon Steel Round Bar

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 Tons m.t.
Supply Capability:
500 tons per month m.t./month

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Specifications of Carbon Steel Round Bar

1. Grade: Q235, SS400, S235JR, A36

2. Sizes: Diameter: 6mm-150mm; Length: 6m, 9m, 12m or as customer’s request

3. Type: Mild steel; Low carbon steel

4. Shape: Round bar, solid bar of steel with circular section

5. Technique: Hot rolled or cold drawn

6. Mass: Mass(kg/m) = Diameter(mm)×Diameter(mm)×0.00617

Steel Type

Maximum forging temperature (°F / °C)

Burning temperature (°F / °C)

1.5% carbon

1920 / 1049

2080 / 1138

1.1% carbon

1980 / 1082

2140 / 1171

0.9% carbon

2050 / 1121

2230 / 1221

0.5% carbon

2280 / 1249

2460 / 1349

0.2% carbon

2410 / 1321

2680 / 1471

3.0% nickel steel

2280 / 1249

2500 / 1371

3.0% nickel–chromium steel

2280 / 1249

2500 / 1371

5.0% nickel (case-hardening) steel

2320 / 1271

2640 / 1449

 

 Usage and Applications of Carbon Steel Round Bar

Carbon steel round bar is the most common form of steel because its price is relatively low while it provides material properties that are acceptable for many applications, more so than iron. It is often used when large quantities of steel are needed, for example as structural steel. The density of this product is approximately 7.85g/cm³ and the young's modulus, like all steels.

 

Packaging & Delivery of Carbon Steel Round Bar

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.

Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.

 

Production Flow of Carbon Steel Round Bar

1. The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process. The main measures process is high temperature solution and refinement cycle. High temperature solution can improve the carbide morphology and particle size. The aim is to make the loop refinement ultrafine austenite grains.

2. EAF+LF+VD+ Forged+ Heat Treatment

 

 

 

Q:How to distinguish cold formed section steel and hot rolled section steel?
The difference between cold-formed steel and welded steel tubes is that welded steel pipes are mainly used for conveying fluids, such as gas and tap water. Petroleum, liquefied petroleum gas, steam, etc. The steel tube is subjected to a certain amount of pressure, while the cold-formed steel is used to make the structure. Under the action of external force, the cold-formed steel is required for the section, shape, size and mechanical properties of the section steel.
Q:What is special steel?
Plough steelUsed in the manufacture of general purpose plow, plows, shallow tillage implements main plough and ordinary before plow ploughshare, general wear and has sufficient strength and toughness of the steel. China's general use of 65Mn and 65SiMnXt steel. In addition, often make tools steel and special steel shape. Such as T steel, Z steel, arc type steel, double reinforcing steel, strengthen the font, grass blade steel, flat steel and steel rod concave lines. The cold-formed steel: cold-formed steel is the main material for the production of light steel structure, made of steel or steel roll forming. It not only the wall thickness can be made very thin, but also greatly simplifies the production process, improve production efficiency, can be produced using the general method to produce uniform wall thickness and complex cross sections of various shapes and different materials of cold-formed steel cold-formed steel. Except for the building structure, but also widely used In vehicle manufacturing, agricultural machinery and so on. A lot of cold-formed steel varieties, according to the opening section, semi closed, closed. According to the shape of a cold roll, angle steel, Z steel, square tube, rectangular tube, special pipe, shutter door according to the provisions of GB6725-92, cold-formed steel with ordinary carbon negative structure and quality carbon steel, low alloy steel plate or strip made of cold-formed structure
Q:What does "BH" mean?
Section steel is a strip steel with definite section shape and size. It is one of the four big kinds of steel (plate, tube, mould, wire). According to the section shape, the section steel is divided into simple section steel and complex section steel (deformed steel). The former refers to the steel, round steel, flat steel, angle steel, six angle steel; the latter refers to the I-beam, channel steel, steel, steel, steel frame bending etc..
Q:What does "M" mean?
The former refers to the steel, round steel, flat steel, angle steel, six angle steel; the latter refers to the I-beam, channel steel, steel, steel, steel frame bending etc..
Q:Does the profile include H?
Profiles include section H steelThe online quote H steel and profiles in the angle of groove separate quotation, mainly because H steel has great use compared with the other, and the demand is relatively more, but in some cases, and H type steel I-beam can also substitute for each other.
Q:Elastic modulus of section steel
The elastic modulus of steel is 2.1 * 10^7N/cm L.
Q:Can the section steel butt joint in the end?
Docking is usually available.If welding, it is mainly worried that the welding is not strong and the welding stress is too large. The wall thickness of the section steel is thin, and the butt welding itself is the most unreliable. So, in the joint lining board, fillet welded. Attention is paid to reducing stress in the process.Bolt connection also requires lining plate, pay attention to bolt size, quantity and spacing. To calculate whether thin-walled steel itself will be crushing, the solution is solder paste board, and bolt holes.In short, the principle is that the strength of the butt joint is not weaker than that of other parts, and there is no greater stress.
Q:What are the common types of profiled steel?
Section steel is divided into two types: simple section steel and complex section steel.Simple section steel: steel, wire rod, square steel, flat steel, six angle steel, triangular, elliptical steel, steel arch steel, etc..
Q:What kind of steel is used in steel columns?
At present, there are 3 kinds of steel pile commonly used in engineering construction, they are steel pipe column, steel column and steel sheet pile.
STEXIN, an enterprise specializing in the production and sales of square bar, round bar and flat bar. The annual production capacity of square billet is 60,000 mtons, and sturtual steel 80,000 mtons.

1. Manufacturer Overview

Location Renqiu, China
Year Established 1996
Annual Output Value Above US$ 30 Million
Main Markets Mid East; Southeast Aisa
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin;
Export Percentage 20% - 30%
No.of Employees in Trade Department 11-20 People
Language Spoken: English; Chinese
b)Factory Information  
Factory Size: Above 70,000 square meters
No. of Production Lines 1
Contract Manufacturing OEM Service Offered
Product Price Range Average

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