Carbon Structural Steel Round Bars Q235CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Carbon Structural Steel Round Bars Q235CR
PRODUCT SPECIFICATION
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr |
| Q235CR | ≤0.22 | ≤0.35 | ≤1.4 | ≤0.050 | ≤0.045 | ≥0.30 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Elogation 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
ABOUT US
- Q: What are the advantages of using low-alloy steel round bars?
- Low-alloy steel round bars have become popular in various industries due to several advantages they offer. Firstly, they provide greater strength and durability compared to regular carbon steel, making them suitable for applications requiring high strength and resistance to wear and tear. The addition of alloying elements like manganese, chromium, and nickel enhances the hardness and toughness of the steel, ensuring its reliability and long-lasting nature. Secondly, low-alloy steel round bars exhibit excellent weldability and machinability. The presence of alloying elements allows for better control over the grain structure, resulting in improved weldability. This means that these bars can be easily welded and fabricated into complex shapes without compromising their structural integrity. Additionally, their machinability enables efficient processing and customization according to specific requirements. Furthermore, low-alloy steel round bars offer enhanced resistance to corrosion and atmospheric conditions. The alloying elements create a protective oxide layer on the surface, preventing rusting and deterioration over time. This makes them ideal for outdoor applications in harsh environments, such as construction, marine, and oil and gas industries. Moreover, low-alloy steel round bars are a cost-effective alternative to higher-alloy or stainless steel options. While providing similar strength and performance, low-alloy steel is generally more affordable, making it a viable option for projects with budget constraints. This cost-effectiveness, combined with their durability and versatility, makes low-alloy steel round bars a preferred choice for a wide range of applications. In conclusion, the advantages of low-alloy steel round bars include increased strength and durability, excellent weldability and machinability, resistance to corrosion, and cost-effectiveness. These properties make them a reliable and versatile material for various industries, contributing to their widespread use in numerous applications.
- Q: Can steel round bars be used for construction purposes?
- Indeed, construction purposes can make use of steel round bars. Several applications in construction commonly utilize steel round bars, including reinforcement in concrete structures, support for beams and columns, and as structural components in bridges, buildings, and infrastructure projects. The exceptional tensile strength and durability of steel render it a perfect option for construction purposes, capable of withstanding heavy loads, providing stability, and ensuring the longevity and safety of structures. Furthermore, steel round bars offer versatility, as they can be easily fabricated and customized to meet specific project requirements. Hence, due to their excellent mechanical properties, reliability, and cost-effectiveness, steel round bars find extensive use in the construction industry.
- Q: Can steel round bars be used for making conveyor belts or rollers?
- Certainly, conveyor belts or rollers can be made using steel round bars. Steel possesses remarkable tensile strength and durability, rendering it appropriate for tasks involving heavy loads or incessant motion. The round bars can be utilized to establish the conveyor belt or roller's structural framework or support system, ensuring stability and rigidity. Furthermore, steel exhibits resistance to wear and tear, as well as the capability to endure high temperatures, thereby making it perfect for industrial environments. Nevertheless, it is crucial to take into account other aspects such as the conveyor system's specific requirements, the type of material being transported, and any potential corrosion concerns that might arise.
- Q: Are steel round bars magnetic?
- Yes, steel round bars are generally magnetic due to their high iron content.
- Q: How do you calculate the length of a steel round bar?
- To calculate the length of a steel round bar, measure the distance from one end to the other using a ruler, tape measure, or any other measuring tool.
- Q: What are the different surface finishes for stainless steel round bars?
- There are several different surface finishes available for stainless steel round bars, including bright annealed, mill finish, brushed, polished, and satin. Each finish offers a distinct appearance and level of smoothness, allowing for various aesthetic and functional preferences.
- Q: Is there a standard for the grounding of pumping units and the length of the length of the angle steel or round steel?
- Usually, the grounding depth is 2 and 5M, and the key is that the grounding resistance value should be below 4 Euro
- Q: Can steel round bars be coated for improved aesthetics?
- Yes, steel round bars can be coated for improved aesthetics. Coating options such as powder coating or electroplating can provide a visually appealing finish to steel round bars, enhancing their appearance and making them more suitable for various applications.
- Q: What are the different types of heat treatment for steel round bars?
- There are several different types of heat treatment methods commonly used for steel round bars. These methods are employed to improve the mechanical properties and overall performance of the steel. The most commonly used heat treatment processes for steel round bars include annealing, normalizing, quenching, tempering, and case hardening. 1. Annealing: This heat treatment process involves heating the steel round bars to a specific temperature and then slowly cooling them to room temperature. Annealing helps in reducing internal stresses, improving machinability, and increasing ductility. 2. Normalizing: In normalizing, the steel round bars are heated to a temperature above the critical range and then allowed to cool in still air. This process helps in refining the grain structure and enhancing the mechanical properties of the steel, such as strength and toughness. 3. Quenching: Quenching involves heating the steel round bars to a high temperature and then rapidly cooling them by immersing them in a quenching medium, such as water, oil, or polymer. This process results in the formation of a hardened microstructure, increasing the hardness and wear resistance of the steel. 4. Tempering: After the quenching process, the steel round bars are subjected to tempering. Tempering involves reheating the quenched steel to a specific temperature and then cooling it in still air. This process reduces the brittleness caused by quenching, increases the toughness of the steel, and helps in relieving residual stresses. 5. Case hardening: This heat treatment process is used to increase the hardness and wear resistance of the outer surface of the steel round bars while maintaining a tough and ductile core. Case hardening involves heating the steel in the presence of a carbon-rich atmosphere or by applying a carbon-rich substance, followed by quenching and tempering. Each of these heat treatment methods has its own advantages and is used based on the desired properties and applications of the steel round bars. It is important to carefully select the appropriate heat treatment process to achieve the desired mechanical properties and performance of the steel.
- Q: How are steel round bars used in the automotive industry?
- Due to their strength, durability, and versatility, steel round bars are commonly employed in the automotive industry for a range of purposes. The production of crankshafts is one of the primary uses of steel round bars in this industry. Crankshafts are essential in converting the reciprocating motion of pistons into rotational motion, which powers the vehicle. Steel round bars are highly suitable for this function due to their high tensile strength, exceptional fatigue resistance, and ability to endure high torque loads. Steel round bars are also utilized in the manufacture of axles. Axles play a critical role in transferring power from the engine to the wheels while supporting the vehicle's weight and ensuring stability. Steel round bars provide the necessary strength and rigidity to handle the substantial loads and forces experienced by axles. Furthermore, steel round bars are employed in the production of suspension components like tie rods and sway bars. Tie rods are crucial for steering and maintaining proper alignment, while sway bars help control body roll and enhance handling. Steel round bars are preferred for these applications due to their exceptional torsional strength, enabling them to withstand the forces and stresses encountered during steering and suspension movements. Moreover, steel round bars are used in the creation of transmission shafts. Transmission shafts are responsible for transmitting power from the engine to the wheels through the gearbox. Steel round bars are well-suited for this task due to their high strength, resistance to bending, and ability to handle the rotational forces and torque generated by the engine. In conclusion, steel round bars are extensively employed in the automotive industry for various applications including crankshafts, axles, suspension components, and transmission shafts. Their superior strength, durability, and versatility make them an ideal choice for these critical components, ensuring the safety, performance, and reliability of vehicles.
Send your message to us
Carbon Structural Steel Round Bars Q235CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
