• Carbon steel square bar
  • Carbon steel square bar
  • Carbon steel square bar
Carbon steel square bar

1. Competitive price and quality from our own factory

2. Approved by IS09001, CE, SGS every year

3. Best service with 24 hour's reply

4. Flexible payment with T/T,L/C

5. Quick delivery and standard exporting package

6.OEM/ODM

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Product specification and description

Carbon steel square bar is a kind of square bar made of carbon steel, with high strength, hardness and corrosion resistance, widely used in construction, manufacturing and processing fields.

The section of carbon steel square bar is square, the side length is different. Its production process mainly includes hot rolling and cold drawing two kinds, hot rolling is through high temperature heating after forming and cooling, cold drawing is through mechanical stretching and cooling treatment to produce different specifications of carbon steel square bars.

The main components of carbon steel square bars are carbon and iron, of which the higher the carbon content, the higher the hardness of the steel, but at the same time may also lead to the weldability and toughness of the steel. Therefore, when choosing carbon steel square bars, different components of steel need to be selected according to the actual application scenario.

Carbon steel square bars have high strength, hardness and corrosion resistance, and can withstand large loads and wear, so they are often used in construction, manufacturing and processing fields. For example, in the field of construction, carbon steel square rods can be used to make large components such as Bridges and building structures; In the manufacturing field, it can be used to make various mechanical parts and tools.

In short, carbon steel square rod is a kind of metal material with high strength, hardness and corrosion resistance, which is widely used in construction, manufacturing and processing and other fields, bringing convenience and development to people's life and production.
  Specifications  Standard:  Surface treatment  Certification:  Technique  Edge：
  Dimensions： 20*20-350*350mm，etc      Length:2000-12000mm，or as required  ASTM，AISI，JIS，GB， DIN，EN  Black/Peeling/Polishing/Machined  ISO, SGS，BV，Mill Certificate  Cold/Hot rolled, Cold-Drawn， or Hot Forged  Mill Edge /Slit Edge
  Material
  A53,A283,A106-A,A179,A214-C,A192,A226,A315,A106,A178
  Q195,Q235,Q275,10#,15#20#
  20GSTPG38,STS38,STB,30,STS42,STB42STB35，
  SS400ST33,ST37,ST35.8,ST42,ST45-8,ST52
  price terms  Delivery Detail
  FOB,CRF,CIF,EXW  all acceptable  inventory About 3-5；custom-made 15-20；According to order's quantity.
  standard export packing (inside:water proof paper,outside:steel covered with strips and pallets)
  20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
  40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
  40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)
Inspection Of Steel Bar

Carbon steel is an iron-carbon alloy with a carbon content of 0.0218% to 2.11%, also known as carbon steel.


Generally also contains a small amount of silicon, manganese, sulfur, phosphorus.


The American Iron and Steel Institute (AISI) defines carbon steel as having no specified or required minimum content of chromium, cobalt, molybdenum, nickel, niobium, titanium, tungsten, vanadium, zirconium, or any other element to be added to obtain the desired alloying effect; The prescribed minimum content of copper shall not exceed 0.40%; Or the specified xxx content does not exceed the indicated percentage for any of the following elements: Manganese 1.65%; Silicon 0.60%; Copper 0.60%.


Carbon steel is a popular knife-making metal choice because it contains a lot of carbon, giving blades better edge retention. In order to make full use of this steel, it is very important to give it a proper heat treatment.

Material introduction

Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties.


Alloy steels are broken down into two groups: low alloy steels and high alloy steels. The difference between the two is disputed. Smith and Hashemi define the difference at 4.0%, while Degarmo, et al., define it at 8.0%. Most commonly, the phrase "alloy steel" refers to low-alloy steels.


Strictly speaking, every steel is an alloy, but not all steels are called "alloy steels". The simplest steels are iron (Fe) alloyed with carbon (C) (about 0.1% to 1%, depending on type) and nothing else (excepting negligible traces via slight impurities); these are called carbon steels. However, the term "alloy steel" is the standard term referring to steels with other alloying elements added deliberately in addition to the carbon. Common alloyants include manganese (Mn) (the most common one), nickel (Ni), chromium (Cr), molybdenum (Mo), vanadium (V), silicon (Si), and boron (B). Less common alloyants include aluminium (Al), cobalt (Co), copper (Cu), cerium (Ce), niobium (Nb), titanium (Ti), tungsten (W), tin (Sn), zinc (Zn), lead (Pb), and zirconium (Zr).


The following is a range of improved properties in alloy steels (as compared to carbon steels): strength, hardness, toughness, wear resistance, corrosion resistance, hardenability, and hot hardness. To achieve some of these improved properties the metal may require heat treating.


Although alloy steels have been made for centuries, their metallurgy was not well understood until the advancing chemical science of the nineteenth century revealed their compositions. Alloy steels from earlier times were expensive luxuries made on the model of "secret recipes" and forged into such tools as knives and swords. Modern alloy steels of the machine age were developed as improved tool steels and as newly available stainless steels. Today alloy steels find uses in a wide array of applications, from everyday hand tools and flatware to highly demanding applications such as in the turbine blades of jet engines and in nuclear reactors.

Warehouse display

We have a large steel product warehouse with a large inventory covering a wide range of specifications and types of products. Whatever specifications you need, we can provide them quickly, ensuring that your project is not affected by material shortages. Our product inventory is updated in real time, with new products coming into stock every day. This means that even in the case of high demand, we can guarantee a stable supply and avoid the risk of running out of stock. Our warehouse facilities are complete, with a sound storage and logistics system. This allows us to quickly complete the product entry, storage and exit work, ensuring that your ordered products can be delivered in a timely manner.

Stainless steel warehouse
Carbon steel warehouse
Alloy warehouse
Aluminum warehouse
Other product warehouse

Product application

Each batch of our products will be subjected to strict quality testing before leaving the warehouse, we can also accept your designated third party testing agency for quality inspection and quality certificate, to ensure that all products do not have quality problems and can be perfectly applied to various fields.

Sewer pipe
Pipeline transportation
High pressure pipeline
Agricultural irrigation
Condenser copper tube
Water supply pipeline

Customer visit

Customer's visit is an important part of our long-term cooperative relationship, every customer's visit is our driving force forward, we value every communication with you. We are very welcome and look forward to your frequent visit, with us to explore more cooperation opportunities, we are committed to provide you with one-stop service, whether it is product consultation, technical support or business negotiations, we will go all out, in order to ensure that your visit is smooth, we have prepared all the necessary support and service, ready to meet your arrival.

Recommended product

In order to ensure the supply of sufficient goods for customers at all times, in addition to independent production of goods, we also maintain close cooperation with major manufacturers at home and abroad, if we do need to order their goods, then we will carry out strict quality testing of this batch of goods to ensure that there is no problem before delivery to customers.

FAQ

Are you trading company or manufacturer ?

We are specialized in the production and processing of various steel products suppliers, have their own independent plant and production equipment

Do you provide samples ? Is it free or extra ?

We can provide samples to you for free, but the cost of express delivery will be borne by you.

Do you support customization ?

Yes, we have a full stock of products with a full range of models and a working production line. If you don't have what you want, we can customize it.

How long is your delivery time?

It takes around 3-5 days for the regular models, and 7 to 10 working days for the special sizes and processing. It is based on the order quantity and requirement.

Do you accept third party testing ?

Yes, we fully accept the quality inspection of the third party inspection institutions. We attach great importance to the reliability of product quality

What are the advantages of your company?

First of all, we have an absolute advantage in price. Secondly, the quality of products is also strictly controlled.

Contact us

If you have any questions, please contact us immediately and we will respond to you as quickly as possible

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