Carbon Structural Steel Round Bars SS400CR
- 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 Round Bars SS400CR
PRODUCT SPECIFICATION
1, p ≤0.050%; S ≤0.050%; Cr ≥0.30%
2, Strength of Extension σb ≥400 Mpa
Yield Strength σs ≥245(25) Mpa
APPLICATION
1, Widely be used in construction and engineering structure.
2, Widely be used in making reinforcing steel bar or building plant room rack, high voltage transmission tower, bridge, vehicle, boiler, vessel, ship, etc.
3, Widely be used in manufacturing mechanical parts which do not require high performance.
4, SS400CR with grade C or D can be used as steel with special use.
PRODUCT MAIN POINTS
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, bright, polished, galvanized
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: Can steel round bars be used for making pipelines?
- Yes, steel round bars can be used for making pipelines. Steel is a widely used material for pipelines due to its strength, durability, and resistance to corrosion. Round bars, which are cylindrical in shape, can be easily fabricated and welded together to form pipelines of various sizes and lengths. The steel round bars used for pipelines are typically made from carbon steel or alloy steel, which have high tensile strength and can withstand high pressure and temperature conditions. Additionally, steel round bars can be coated with protective layers such as epoxy or polyethylene to further enhance their resistance to corrosion. Overall, steel round bars provide a reliable and efficient option for constructing pipelines in various industries such as oil and gas, water supply, and construction.
- Q: Are the bolts for the round bar or round steel?
- The utility model relates to a pair of bolts which are used for drawing between the inner and the outer formwork of the wall when the beam and the column template are set. The bolt under concrete lateral pressure and other loads, ensure the spacing inside and outside the template can meet the design requirements, but also the template and its support structure fulcrum, so the impact on the overall arrangement of bolt, the template structure stiffness and strength greatly.
- Q: What are the quality control measures for steel round bars?
- Steel round bars are subject to a series of inspections and tests to ensure that they meet the necessary standards and specifications. These measures play a vital role in guaranteeing the bars' structural integrity and reliability. Common quality control measures for steel round bars include: 1. Visual Inspection: Bars are visually examined to identify any surface defects like cracks, pits, or rust. This ensures that the bars have a smooth surface finish and are free from visible imperfections. 2. Dimensional Inspection: The diameter, length, and straightness of the bars are measured to ensure they adhere to the required tolerances. Any deviations from the specified dimensions can impact the bars' performance and compatibility in different applications. 3. Chemical Composition Analysis: Chemical composition analysis is carried out to confirm the percentage of various elements present in the steel. This analysis ensures that the bars possess the correct alloying elements in the proper proportions, which directly influence their mechanical properties and performance. 4. Mechanical Testing: Various mechanical tests are conducted to assess the bars' strength, hardness, and other mechanical properties. These tests may include tensile, impact, and hardness testing. They help determine if the bars meet the necessary durability and strength standards. 5. Ultrasonic Testing: Ultrasonic testing is often employed to detect internal defects such as voids, inclusions, or cracks within the steel round bars. This non-destructive testing technique utilizes high-frequency sound waves to identify flaws that may compromise the bars' structural integrity. 6. Surface Treatment Inspection: If the steel round bars undergo any surface treatments like heat treatment or coating, an inspection is conducted to ensure that these treatments are correctly applied and meet the required specifications. 7. Certification and Documentation: Quality control measures also encompass proper documentation and certification of the steel round bars. This ensures traceability and provides evidence that the bars have undergone the necessary inspections and tests, instilling confidence in customers regarding the product's quality. In summary, these quality control measures for steel round bars guarantee their high quality, compliance with necessary specifications, and suitability for their intended applications.
- Q: How do you calculate the torsional strength of a steel round bar?
- To calculate the torsional strength of a steel round bar, you need to consider its material properties and dimensions. The torsional strength, also known as torsional yield strength or shear strength, refers to the maximum amount of torque or twisting force that a round bar can withstand without undergoing permanent deformation or failure. The formula to calculate torsional strength is: Torsional Strength = (Torsional Constant * Yield Strength) / (Polar Moment of Inertia * Length) 1. Torsional Constant: This constant depends on the shape of the cross-section of the round bar. For a solid round bar, the torsional constant is equal to (π * D^4) / 32, where D is the diameter of the bar. 2. Yield Strength: This is the stress at which the steel material starts to deform plastically. It is usually provided by the manufacturer or can be determined through material testing. 3. Polar Moment of Inertia: This property represents the resistance of the round bar to torsional deformation. For a solid round bar, the polar moment of inertia is equal to (π * D^4) / 32. 4. Length: This refers to the length of the round bar along which the torsional force is applied. By plugging these values into the formula, you can calculate the torsional strength of the steel round bar. It is important to note that this calculation assumes the round bar is perfectly homogeneous, free from any defects, and subjected to pure torsion. Keep in mind that torsional strength is just one aspect to consider when evaluating the suitability of a steel round bar for a specific application. Other factors such as fatigue strength, corrosion resistance, and load-bearing capacity should also be taken into account. It is recommended to consult with a professional engineer or refer to relevant industry standards to ensure accurate calculations and appropriate selection of materials.
- Q: What are the different surface defects that can be found in steel round bars?
- Some common surface defects that can be found in steel round bars include scratches, pits, cracks, scale, and decarburization.
- Q: How are steel round bars used in the construction of stadiums and sports facilities?
- Steel round bars are commonly used in the construction of stadiums and sports facilities for their strength, durability, and versatility. These bars are often used as structural elements, providing support and stability to the overall structure. They can be used in the construction of columns, beams, and frames, ensuring the integrity and safety of the facility. Additionally, steel round bars are also used in the fabrication of seating structures, railings, and fencing, enhancing the aesthetic appeal and functionality of the sports venue.
- Q: What are the advantages of using nickel-tungsten alloy steel round bars?
- There are several advantages to using nickel-tungsten alloy steel round bars. Firstly, the inclusion of nickel enhances the corrosion resistance of the bars, making them suitable for use in harsh environments. Additionally, the addition of tungsten improves the strength and hardness of the bars, making them highly durable and able to withstand heavy loads and high temperatures. Furthermore, the alloy steel composition provides excellent wear resistance, making these bars ideal for applications that require prolonged use or frequent contact with abrasive materials. Overall, nickel-tungsten alloy steel round bars offer a combination of corrosion resistance, strength, and durability, making them a reliable choice for various industrial applications.
- Q: Are steel round bars magnetic?
- Indeed, steel round bars have the potential to possess magnetic characteristics. The magnetism of steel is contingent on its composition and processing methods. The predominant steel alloys utilized, such as carbon steel or stainless steel, prominently feature iron as their primary constituent. Iron is recognized as a ferromagnetic substance, signifying its susceptibility to magnetization. Thus, steel round bars constructed from these alloys will inevitably display magnetic attributes. However, it is crucial to acknowledge that the strength of the magnetism can fluctuate depending on the precise composition of the steel. Certain stainless steel alloys, for instance, possess a lower magnetic permeability and may consequently manifest diminished magnetic traits in comparison to carbon steel.
- Q: What is the maximum phosphorus content allowed for steel round bars?
- The maximum phosphorus content allowed for steel round bars typically ranges from 0.04% to 0.10%.
- Q: What are the different types of steel round bars used in the power generation industry?
- In the power generation industry, there are various types of steel round bars utilized depending on specific requirements. Some common types include carbon steel round bars, stainless steel round bars, and alloy steel round bars. Carbon steel round bars are often used for their high strength and durability, while stainless steel round bars are favored for their corrosion resistance. Alloy steel round bars, on the other hand, offer a combination of strength, toughness, and heat resistance, making them suitable for demanding power generation applications.
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Carbon Structural Steel Round Bars SS400CR
- 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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