Hot Rolled Steel Round Bar S20C
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
16mm-360mm
Length:
6m
Net Weight:
2mt
Hot Rolled Steel Round Bar S20C
Product Description of Hot Rolled Steel Round Bar S20C
1. Steel grade: SAE1020, 20#, C22, S20C
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of Hot Rolled Steel Round Bar S20C
Material | S20C | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of Hot Rolled Steel Round Bar S20C
C | Si | Mn | Cr | Ni | Cu |
0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.25 | ≤0.30 | ≤0.25 |
Photo Show of Hot Rolled Steel Round Bar S20C
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Hot Rolled Steel Round Bar S20C
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: What are the different testing methods for steel round bars?
- There are several testing methods employed to assess the quality and performance of steel round bars. These methods include: 1. Tensile Testing: Tensile testing is conducted to determine the strength and elasticity of steel round bars. It involves applying a force to the bar until it reaches its breaking point, measuring the maximum load it can withstand before fracture occurs. This test helps to determine the ultimate tensile strength, yield strength, and elongation of the steel. 2. Hardness Testing: Hardness testing is used to assess the resistance of steel round bars to indentation or scratching. Common methods include the Rockwell, Brinell, and Vickers hardness tests. These tests provide valuable information about the material's ability to resist wear, deformation, and surface damage. 3. Charpy Impact Testing: Charpy impact testing measures the toughness and resistance to brittle fracture of steel round bars. The test involves striking a notched sample with a pendulum, measuring the energy absorbed during fracture. This test is crucial in evaluating the material's behavior under sudden impact or dynamic loading conditions. 4. Ultrasonic Testing: Ultrasonic testing utilizes high-frequency sound waves to detect internal flaws or defects in steel round bars. This non-destructive testing method can identify cracks, inclusions, or voids that may compromise the structural integrity of the material. 5. Magnetic Particle Inspection: This testing method is used to identify surface cracks or defects in steel round bars. It involves magnetizing the material and applying iron particles or magnetic ink. Any surface cracks or flaws will cause a leakage of magnetic flux, making them visible under proper lighting. 6. Visual Inspection: Visual inspection is a basic yet essential method for evaluating the quality of steel round bars. It involves examining the bar's surface for any visible defects, such as pits, scratches, or irregularities in shape or dimensions. 7. Chemical Analysis: Chemical analysis helps determine the composition of steel round bars by measuring the percentage of various elements present in the material. This information is crucial in ensuring that the steel meets the required specifications and is suitable for its intended application. Overall, a combination of these testing methods is employed to ensure the quality, performance, and reliability of steel round bars in various industries such as construction, manufacturing, and engineering.
- Q: What are the advantages of using nickel-chromium-titanium alloy steel round bars?
- Some advantages of using nickel-chromium-titanium alloy steel round bars include their high strength and durability, excellent corrosion resistance, and good heat resistance. These alloy steel round bars also offer superior wear resistance and can withstand harsh environments. Additionally, they have good machinability, making them suitable for various applications in industries such as aerospace, automotive, and oil and gas.
- Q: What are the advantages of using high-strength steel round bars?
- Using high-strength steel round bars in various applications brings several advantages. Firstly, these bars have an exceptional strength-to-weight ratio. Despite being lighter than other materials, they possess significantly higher strength. This advantage allows for the construction of sturdy and lightweight structures, making them ideal for weight reduction in industries like aerospace and automotive. Secondly, high-strength steel round bars offer excellent resistance to wear, fatigue, and impact. This makes them highly durable and able to withstand heavy loads and repeated stress, enhancing the lifespan and performance of structures or components. This is particularly beneficial in construction, where materials must maintain structural integrity over time. Furthermore, high-strength steel round bars provide improved design flexibility due to their versatility. They can be easily shaped, machined, and welded, allowing for the creation of complex and customized structures or components. This enables engineers and designers to optimize their designs and achieve specific performance requirements. In addition, high-strength steel round bars offer enhanced resistance to corrosion, making them suitable for applications in harsh environmental conditions. By utilizing these bars, structures or components can maintain their integrity and functionality for extended periods, reducing the need for frequent maintenance and replacement. Finally, using high-strength steel round bars can lead to long-term cost savings. Despite their higher initial cost, their superior strength and durability significantly reduce maintenance, repair, and replacement costs over time. Additionally, their lightweight nature contributes to fuel efficiency, resulting in cost savings in transportation and other industries. Overall, the advantages of using high-strength steel round bars include a high strength-to-weight ratio, excellent resistance to wear and fatigue, improved design flexibility, enhanced corrosion resistance, and potential cost savings. These benefits make them a preferred choice for a wide range of applications.
- Q: How many meters is the minimum loading surface of galvanized steel wire for grounding grid?
- Round steel (grade 1 steel) belongs to ordinary low carbon steel with low strength. However, the plasticity of the round bar is stronger, that is, the round steel has a larger deformation before it is pulled off.It has been widely used in the fields of hardware, construction, automobile, shipbuilding, petrochemical, machinery, medicine, food, electricity, energy, space, etc.. The most extensive machining of general machine parts, general rod type steel parts, CD pole, bolt, nut.
- Q: Can steel round bars be used for making musical instruments?
- Yes, steel round bars can be used for making musical instruments. They can be used to create various percussion instruments such as steel drums or xylophones. The steel round bars can be tuned to produce specific musical notes and can be shaped and crafted to achieve the desired sound.
- Q: Can steel round bars be used for making gates?
- Indeed, gates can be made using steel round bars. The strength, durability, and versatility of steel round bars make them a favored option for gate production. Welding them together to achieve the desired gate design is a simple task, and they possess the capacity to endure substantial loads and impacts. Furthermore, steel round bars can undergo galvanization or coating processes in order to safeguard them against rust and corrosion, enhancing the gate's longevity. As a result, steel round bars are an appropriate material for constructing gates and are frequently employed in residential, commercial, and industrial settings.
- Q: How do you straighten steel round bars?
- To straighten steel round bars, you can use a variety of methods depending on the level of precision required and the size of the bars. Here are a few common techniques: 1. Manual Straightening: This method is suitable for smaller diameter round bars. Place the bar on a flat surface and apply pressure to the bent section using a hydraulic or manual press. Gradually increase the force until the bar is straightened. This technique is relatively simple but may not yield perfect results. 2. Heat Straightening: Heat straightening is effective for larger diameter round bars or bars with severe bends. Heat the bent section using an oxy-acetylene torch until it becomes red hot. Once heated, apply pressure in the opposite direction of the bend using hydraulic or manual tools. The heat softens the steel, allowing it to be manipulated easier. Be cautious not to overheat the steel, as it may weaken its structural integrity. 3. Roller Straightening: This method is commonly used in industrial settings and is suitable for larger diameter round bars. The bar is passed through a series of rollers that apply pressure to the bent section, gradually straightening it. This technique provides precise and uniform results but requires specialized equipment. 4. Hydraulic Press Straightening: For precision straightening, a hydraulic press can be used. Place the bar between two parallel plates and apply pressure using the hydraulic press. Gradually increase the force until the bar is straightened. This method is suitable for bars with minor bends and allows for precise control over the straightening process. It is essential to note that while these methods can straighten steel round bars, the effectiveness may vary depending on the severity of the bend, the quality of the steel, and the equipment used. It is advisable to consult with a professional or follow industry-specific guidelines to ensure safe and accurate straightening of steel round bars.
- Q: What are the different types of steel round bar coatings used in the marine industry?
- In the marine industry, various coatings are commonly used to protect steel round bars from corrosion and other environmental factors. These coatings have been specifically designed to withstand the harsh conditions found in marine environments. The most frequently utilized types of coatings in this industry include the following: 1. Galvanized Coating: A layer of zinc is applied to galvanized steel round bars, offering excellent corrosion protection and durability. This coating is ideal for marine applications where the steel is exposed to corrosive elements such as saltwater. 2. Epoxy Coating: Due to their exceptional resistance to corrosion and strong adhesion properties, epoxy coatings are widely employed in the marine industry. Multiple layers of epoxy are typically applied to ensure optimal protection against saltwater, chemicals, and abrasion. 3. Polyurethane Coating: Polyurethane coatings are highly regarded for their exceptional resistance to UV rays, chemicals, and abrasion. These coatings provide a high level of corrosion protection in marine environments, making them ideal for offshore structures and marine equipment that require long-term durability. 4. Organic Coatings: Acrylics and vinyls are commonly used in the marine industry as organic coatings, offering a protective barrier against corrosion and environmental factors. These coatings are known for their flexibility, ease of application, and resistance to UV radiation. They are often utilized in marine applications where aesthetics and color retention are important. 5. Ceramic Coating: Ceramic coatings are particularly resistant to high temperatures, chemicals, and abrasion. They form a hard, protective layer on steel round bars, making them suitable for marine applications that involve extreme heat and harsh environments. When selecting the appropriate steel round bar coating for a marine project, it is essential to consider the specific requirements of the application. Factors such as the type of exposure, expected service life, and budget should be taken into account to determine the most suitable coating.
- Q: What is the difference between a rough turned and a precision ground steel round bar?
- A rough turned steel round bar refers to a steel bar that has undergone a rough machining process to remove excess material and bring the bar to a closer approximation of its final dimensions. This process typically involves removing the outer layer of the bar through turning or other machining methods. However, the bar is not yet finished to precise tolerances and may still have slight variations in diameter or surface roughness. On the other hand, a precision ground steel round bar has undergone a secondary machining process known as grinding. Grinding is a more precise and controlled method of removing material from the surface of the bar. It involves using a grinding wheel or abrasive tool to carefully remove small amounts of material, resulting in a bar with highly precise dimensions and a smoother surface finish. Precision ground bars are typically made to meet specific tolerances and have a more consistent diameter, surface finish, and straightness compared to rough turned bars. The main difference between a rough turned and a precision ground steel round bar is the level of precision and surface finish achieved. Rough turned bars are suitable for applications where tight tolerances and surface finish are not critical, such as in certain structural or machinery components. Precision ground bars, on the other hand, are preferred when precise dimensions, tight tolerances, and a smooth surface finish are required, such as in precision machining applications or where the bar will be used as a shaft or component in critical machinery or equipment.
- Q: Can steel round bars be used in the marine industry?
- Yes, steel round bars can be used in the marine industry. Steel is a strong and durable material that can withstand the harsh conditions of the marine environment, including corrosion from saltwater. Steel round bars are commonly used for various applications in the marine industry, such as shipbuilding, offshore structures, and marine equipment, due to their excellent mechanical properties and resistance to corrosion.
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Hot Rolled Steel Round Bar S20C
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 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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