Carbon Structural Steel Square Bars Q235CR
- Ref Price:
-
- 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 Square 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, 9.8mm, 10mm, 12mm, 12.5mm, 13mm, 15mm, 15.87mm, 16mm, 19mm,
20mm, 22mm, 25mm, 25.4mm, 28mm, 38mm, 50mm, 51.5mm, 53mm, 65mm, 75mm, 100mm
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
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About Us
- Q:Grade 1 steel is round steel, grade two steel is ribbed thread steel. Are the weight of the two units the same?
- Grade two steel is ribbed steel, but the average diameter is calculated. The chemical composition of grade steel and grade two steel is different, but the density of them is the same. Therefore, the unit weight of grade 1 steel and grade two steel is the same.
- Q:Can steel round bars be used for making universal joints?
- Yes, steel round bars can be used for making universal joints. Steel round bars are commonly used in the manufacturing of universal joints due to their strength, durability, and ability to handle high torque and rotational forces.
- Q:What is the maximum weight capacity of a steel round bar?
- The maximum weight a steel round bar can hold depends on several factors, including its diameter, length, grade, and type of steel. Steel round bars are available in various sizes and grades, each with its own load-bearing capacity. To determine the maximum weight a steel round bar can handle, you need to calculate its cross-sectional area using the formula: Area = π * (diameter/2)^2. Here, π represents a mathematical constant that is approximately equal to 3.14159. Once you have the cross-sectional area, you can estimate the weight of the bar by multiplying it with the density of the specific steel grade. The density of steel varies based on the grade, but as a general approximation, it is around 7850 kilograms per cubic meter (or 0.00785 grams per millimeter cubed). However, it's important to remember that weight capacity alone may not be the only factor to consider for the safe use of a steel round bar. Other factors like load distribution, applied forces, and the structural integrity of the bar are equally important to ensure safe operation. For accurate weight capacity information for a specific steel round bar, it is recommended to refer to the manufacturer's specifications or consult a qualified engineer or professional who can provide precise calculations based on the specific requirements and characteristics of the steel round bar in question.
- Q:What are the advantages of using nickel-chromium-aluminum alloy steel round bars?
- Nickel-chromium-aluminum alloy steel round bars offer numerous benefits. Firstly, they possess exceptional corrosion resistance, making them ideal for use in harsh environments or industries where corrosion is a concern. This resistance to corrosion prolongs the lifespan of the round bars, reducing maintenance and replacement expenses. Secondly, these round bars are known for their high strength and durability, making them suitable for applications that involve heavy loads or high temperatures. Their strength also enhances structural stability, making them a dependable option for construction projects and industrial applications. Additionally, this alloy steel demonstrates excellent thermal stability, allowing it to maintain its shape and mechanical properties even under elevated temperatures. This attribute is particularly advantageous in industries such as aerospace, automotive, and power generation, where high temperatures are prevalent. Furthermore, nickel-chromium-aluminum alloy steel round bars offer good formability and machinability, facilitating easy fabrication and customization. This versatility allows for the production of intricate shapes and designs, making them adaptable for various manufacturing processes. Lastly, this alloy steel is recognized for its resistance to oxidation and scaling at high temperatures. This makes it suitable for applications involving exposure to extreme heat or rapid temperature changes, such as in furnaces or heat exchangers. In conclusion, the benefits of utilizing nickel-chromium-aluminum alloy steel round bars include exceptional corrosion resistance, high strength and durability, thermal stability, formability, and resistance to oxidation. These qualities make it a preferred choice for a wide range of industries, ensuring reliable performance and longevity in various applications.
- Q:How do steel round bars compare to plastic round bars?
- Steel round bars are generally stronger and more durable compared to plastic round bars. Steel has a higher tensile strength and can withstand heavier loads, making it suitable for applications that require high-strength materials. On the other hand, plastic round bars are lighter and more flexible, making them more suitable for certain applications where weight and flexibility are important factors.
- Q:How are steel round bars used in the construction of pipelines?
- Steel round bars are commonly used in the construction of pipelines due to their high strength and durability. These bars are typically made from carbon or alloy steel and are available in various sizes and grades to suit the specific requirements of the pipeline. One of the key uses of steel round bars in pipeline construction is for reinforcement. They are often used as reinforcement in concrete foundations and supports along the pipeline route. The bars provide added strength and stability to the structure, ensuring that the pipeline remains secure and can withstand external forces such as soil movement or seismic activity. Additionally, steel round bars are also used as the main material for the fabrication of pipeline joints. These bars are typically bent or welded to form various shapes and sizes to connect different sections of the pipeline. The high tensile strength of steel ensures that the joints can withstand the pressure and stress exerted by the fluids being transported through the pipeline. Moreover, steel round bars are utilized in the construction of pipeline hangers and supports. These bars are often shaped and welded to form brackets or clamps that hold the pipeline in place. The bars provide a sturdy and reliable support system, preventing sagging or movement of the pipeline, and ensuring smooth and uninterrupted flow. In summary, steel round bars play a crucial role in the construction of pipelines. They are used for reinforcement, fabrication of pipeline joints, and the construction of hangers and supports. Their high strength, durability, and versatility make them an ideal choice for ensuring the structural integrity and reliability of pipelines.
- Q:What are the tolerances for steel round bars?
- The tolerances for steel round bars typically depend on the specific industry standards and customer requirements. However, common tolerances for steel round bars include variations in diameter, straightness, length, and surface finish. These tolerances ensure that the steel round bars meet the desired specifications and can be effectively used in various applications.
- Q:Can steel round bars be used in high-temperature environments?
- Indeed, steel round bars are capable of being utilized in environments with high temperatures. Steel is renowned for its exceptional strength and durability, rendering it suitable for a diverse range of applications that involve exposure to elevated temperatures. However, it is crucial to consider the specific grade of steel employed since various grades possess distinct temperature limits. Certain steel alloys, such as stainless steel, exhibit exceptional resistance against corrosion and oxidation under high temperatures, making them particularly ideal for deployment in environments characterized by elevated heat. Moreover, heat treatments can also be administered to steel to augment its performance in conditions with high temperatures. In summary, the selection of the appropriate grade and application of treatments to steel round bars can ensure their aptness and efficacy in high-temperature environments.
- Q:How are steel round bars used in the construction of airports and runways?
- Steel round bars are commonly used in the construction of airports and runways for various purposes. They are primarily used to reinforce the concrete structures, such as the foundation, columns, beams, and slabs. The round bars provide strength and durability to the concrete, ensuring that it can withstand heavy loads and resist cracking or collapsing. Additionally, steel round bars are also used in the construction of drainage systems, fencing, and other infrastructure components within airports and runways.
- Q:Are steel round bars suitable for outdoor applications?
- Indeed, outdoor applications find steel round bars to be highly suitable. The remarkable durability and strength of steel have established it as a preferred option for numerous outdoor structures and applications. Construction, fencing, gates, outdoor furniture, and other outdoor structures frequently rely on steel round bars owing to their ability to withstand corrosion and weathering. Moreover, the resistance of steel round bars against outdoor elements can be further fortified through painting or coating.
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Carbon Structural Steel Square 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
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