• Carbon Structural Steel Round Bars Q235CR System 1
  • Carbon Structural Steel Round Bars Q235CR System 2
  • Carbon Structural Steel Round Bars Q235CR System 3
  • Carbon Structural Steel Round Bars Q235CR System 4
  • Carbon Structural Steel Round Bars Q235CR System 5
  • Carbon Structural Steel Round Bars Q235CR System 6
Carbon Structural Steel Round Bars Q235CR

Carbon Structural Steel Round Bars Q235CR

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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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 Carbon Structural Steel Round Bars Q235CR

PRODUCT SPECIFICATION

1, Chemical Composition %

GradeCSiMnSPCr
Q235CR≤0.22≤0.35≤1.4≤0.050≤0.045≥0.30

2, Mechanical Properties 

Strength of Extension σbYield Strength  σsElogation δ5
375-500 Mpa≥235 Mpa≥25 %

3, Diameter: 9mm - 80mm

   

APPLICATION

 1, Widely used in construction and engineering structure.

 2, Widely used in making reinforcing steel bar or building plant room rack, high voltage transmission tower, bridge, vehicle, boiler, vessel, ship, etc.

 3, Widely used in manufacturing mechanical parts which are not required to be with high performance.

 4, Q235CR with grade C or D can be used as steel with special use.

 5,  Can be used in making all kinds of mould hand and other unimportant mould parts.

 6, Can be used as punch material.

 

PRODUCT MAIN POINTS

1, Heat Treatment: normalizing, annealing, tempering, quenching

2, Surface Treatment: black, grinding, bright, polish

3, Product Process: 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:

     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.

 

PRODUCT SHOW

Carbon Structural Steel Round Bars Q235CR

ABOUT US

Carbon Structural Steel Round Bars Q235CR

Carbon Structural Steel Round Bars Q235CR

 

Q:How are steel round bars used in the manufacturing of lifting equipment?
Steel round bars are commonly used in the manufacturing of lifting equipment due to their high strength and durability. These bars are often used to construct the main structural components, such as the frames or arms, of lifting equipment like cranes or hoists. The round shape of the bars provides stability and prevents bending or distortion when heavy loads are lifted. Additionally, the steel material ensures the equipment can handle the stress and weight, making it reliable and safe for lifting operations.
Q:What are the different grades of heat-treated steel round bars?
The different grades of heat-treated steel round bars include, but are not limited to, AISI 4140, AISI 4340, AISI 8620, and ASTM A105.
Q:Can steel round bars be used in the production of agricultural machinery?
Yes, steel round bars can be used in the production of agricultural machinery. Steel round bars are commonly used in the manufacturing of various components and parts for agricultural machinery due to their strength, durability, and versatility. These bars can be used to construct essential parts such as axles, shafts, gears, and brackets that are required for the operation of agricultural machinery. Additionally, steel round bars can be easily machined and welded to meet specific design requirements, making them a suitable choice for agricultural machinery manufacturers.
Q:Can steel round bars be welded to other materials?
Yes, steel round bars can be welded to other materials. Welding is a common method used to join different materials together, including steel round bars and various other materials such as aluminum, stainless steel, and even non-metallic materials like plastics. However, it is important to note that the compatibility of the materials being welded is crucial for a successful weld. The welding process requires the use of appropriate welding techniques, filler metals, and sometimes pre-heating or post-weld heat treatment to ensure a strong and durable bond between the steel round bar and the other material. It is also important to consider the specific application and the properties required for the joint to determine the most suitable welding method and materials.
Q:How do you store and handle steel round bars?
When it comes to storing and handling steel round bars, there are several important factors to consider. Firstly, it is crucial to ensure that the storage area is clean, dry, and free from any moisture or corrosive materials. This will help prevent rust and other forms of damage to the steel bars. The steel round bars should be stored horizontally, either on racks or on a flat surface, to prevent deformation or sagging. It is recommended to stack them in a way that avoids excessive pressure on any individual bar, as this could lead to bending or warping. To handle steel round bars safely, it is best to use appropriate lifting equipment such as cranes, forklifts, or hoists. Manual handling should be avoided whenever possible, as steel bars can be heavy and cumbersome. When using lifting equipment, it is important to ensure that the bars are properly secured and balanced to prevent accidents or injuries. In addition, it is essential to use protective measures such as gloves and safety shoes when handling steel round bars, as they may have sharp edges or rough surfaces. Proper personal protective equipment (PPE) should be worn to minimize the risk of cuts, abrasions, or other injuries. Regular inspections should be conducted to check for any signs of damage, such as dents, cracks, or corrosion. Any damaged bars should be separated from the rest and either repaired or discarded, depending on the severity of the damage. By following these guidelines for storage and handling, you can ensure the longevity and quality of steel round bars, while also maintaining a safe working environment for yourself and others.
Q:What are the different types of steel round bars used in the automotive suspension systems?
Automotive suspension systems utilize various types of steel round bars, each with its own distinct properties and benefits. 1. Carbon steel round bars, which are the most commonly employed in automotive suspension systems, offer excellent strength and durability. Their ability to withstand the weight and stress of vehicles make them an ideal choice. Additionally, carbon steel round bars boast exceptional machinability, allowing for easy customization and fabrication. 2. Alloy steel round bars are created by incorporating different alloying elements, such as chromium, nickel, or molybdenum, into carbon steel. This enhances their mechanical properties, resulting in increased strength, hardness, and wear resistance. These alloy steel round bars are frequently utilized in crucial suspension components like control arms or sway bars. 3. Stainless steel round bars are renowned for their resistance to corrosion and aesthetic appeal. Although not as prevalent in automotive suspension systems, they find application in specific scenarios where protection against rust or chemical exposure is necessary. Furthermore, stainless steel round bars offer considerable strength and high temperature resistance, making them suitable for specific suspension components. 4. High-strength steel round bars are explicitly designed to provide exceptional strength and toughness. These bars are commonly employed in demanding suspension applications, including heavy-duty trucks or performance vehicles, which require increased load-bearing capacity and enhanced resistance to fatigue. 5. Forged steel round bars are distinguished by their exceptional strength and structural integrity. They are formed by subjecting the steel to high temperatures and shaping it under immense pressure. This manufacturing process results in a dense and uniform structure, rendering forged steel round bars highly reliable and suitable for rigorous suspension systems. In conclusion, automotive suspension systems utilize several types of steel round bars, including carbon steel, alloy steel, stainless steel, high-strength steel, and forged steel. Each type possesses unique properties and advantages tailored to the specific requirements of various suspension components.
Q:Can steel round bars be plated?
Yes, steel round bars can be plated. Plating is a common process used to enhance the appearance, corrosion resistance, and durability of steel round bars.
Q:Can steel round bars be used in the agriculture industry?
Yes, steel round bars can be used in the agriculture industry. They are commonly used in various applications such as constructing farm equipment, fencing, and building structures. Steel round bars are known for their strength and durability, making them suitable for heavy-duty tasks in the agriculture sector. Additionally, steel round bars can withstand harsh weather conditions and resist corrosion, ensuring their longevity and reliability in agricultural settings. Overall, steel round bars are a versatile and practical choice for the agriculture industry due to their strength, durability, and resistance to environmental factors.
Q:What are the different types of steel round bar profiles?
There are several different types of steel round bar profiles available in the market. Some of the most common profiles include: 1. Plain Round Bar: This is the most basic and commonly used profile. It is a solid cylindrical bar with a smooth surface and uniform diameter throughout its length. 2. Deformed Round Bar: This type of round bar has deformations or ribs along its surface. These deformations provide better bonding with concrete when used in reinforced concrete structures, making it ideal for construction applications. 3. Hollow Round Bar: As the name suggests, this profile has a hollow center. It is often used in industries where weight reduction is important or where the round bar needs to be used as a conduit for fluids or gases. 4. Threaded Round Bar: This profile has threads along its length, allowing it to be easily screwed into other components. It is commonly used in applications where secure fastening or adjustability is required. 5. Half-Round Bar: This profile has a flat side and a rounded side, giving it a semi-circular shape. It is often used in decorative applications, such as handrails, where a sleek and aesthetically pleasing appearance is desired. 6. Square Bar: Although not strictly a round profile, square bars are often included in this category. These bars have four equal sides and are commonly used in applications where higher torsional strength is required. 7. Hexagonal Bar: Similar to square bars, hexagonal bars have six equal sides. They are often used in applications where high torque resistance is needed or when a distinctive appearance is desired. These are just some of the different types of steel round bar profiles available. The choice of profile depends on the specific application requirements, such as structural strength, bonding capabilities, or aesthetic considerations.
Q:Can steel round bars be heat treated to improve their mechanical properties?
Yes, steel round bars can be heat treated to improve their mechanical properties. Heat treatment involves heating the steel to a specific temperature and then cooling it at a controlled rate. This process can alter the microstructure of the steel, resulting in improved hardness, strength, and toughness. Different heat treatment methods, such as quenching and tempering, can be applied depending on the desired mechanical properties.

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