Quality Hot Rolled Carbon 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
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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Item specifice
Standard:
EN,API,DIN,BS,GB,JIS,ASTM,AISI
Technique:
Cold Rolled,Cold Drawn,Spring,EFW,Extruded,Saw,Forged,ERW,Hot Rolled
Shape:
LTZ,Oval,Rectangular,Round,Hexagonal,C Channel,Square,U Channel
Surface Treatment:
Galvanized,PVDF Coated,Black,Bright,Polished,Dry,Oiled,Color Coated,Copper Coated,Coated,Chromed Passivation
Steel Grade:
A53(A,B),20#,10#,SS400-SS490,600 Series,400 Series,300 Series,200 Series,HRB400,RHB335,Q235B,Q215B,Q235,Q215,Q195
Certification:
SGS,BV,IBR,RoHS,CE,API,BSI,UL,ISO
Thickness:
16mm-360mm
Length:
6m
Net Weight:
2mt
Quality Hot Rolled Carbon Steel Round Bar S20C
Product Description of Quality Hot Rolled Carbon 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 Quality Hot Rolled Carbon 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 Quality Hot Rolled Carbon 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 Quality Hot Rolled Carbon 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 Quality Hot Rolled Carbon 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 advantages of using steel round bars?
- There are several advantages of using steel round bars in various applications. Firstly, steel round bars are known for their exceptional strength and durability. This makes them ideal for use in construction projects, as they can withstand heavy loads and provide structural integrity. Additionally, steel round bars have excellent resistance to corrosion, making them suitable for outdoor and marine applications. They can withstand exposure to harsh weather conditions and remain unaffected by moisture and chemicals. This ensures a longer lifespan and reduced maintenance costs. Steel round bars also offer versatility in terms of their shape and size. They can be easily customized and fabricated to meet specific requirements, making them suitable for a wide range of applications. Whether it's for construction, manufacturing, or engineering projects, steel round bars can be tailored to fit the desired dimensions and specifications. Furthermore, steel round bars have excellent machinability, allowing for easy cutting, drilling, and shaping. This makes them highly adaptable and easy to work with, saving time and effort during the fabrication process. Moreover, steel round bars have a high tensile strength, which means they can resist deformation under pressure. This makes them ideal for applications where a high level of strength is required, such as in the manufacturing of machinery, tools, and automotive components. Lastly, steel round bars are cost-effective compared to other materials. Their durability and long lifespan result in reduced maintenance and replacement costs over time. Additionally, their availability and widespread use make them a cost-efficient option for various industries. Overall, the advantages of using steel round bars include their exceptional strength, resistance to corrosion, versatility, machinability, high tensile strength, and cost-effectiveness. These qualities make them a popular choice in numerous applications, contributing to their widespread usage in industries worldwide.
- Q:What is the difference between a hot-rolled and a ground steel round bar?
- A hot-rolled steel round bar is produced through a process called hot rolling, where the steel is heated above its recrystallization temperature and then passed through rollers to achieve the desired shape and size. This method results in a rough surface finish with a scaled or uneven texture. Hot-rolled steel round bars are commonly used in construction, manufacturing, and general fabrication applications where a smooth finish is not a primary concern. On the other hand, a ground steel round bar undergoes a process called grinding after the initial hot rolling. Grinding involves removing the outer layer of the hot-rolled bar to create a smooth and consistent surface finish. This process eliminates any imperfections, such as scale or unevenness, to provide a more precise and refined product. Ground steel round bars are often utilized in applications where a smooth surface finish is crucial, such as in machining, toolmaking, and precision engineering. In summary, the main difference between a hot-rolled and a ground steel round bar lies in the surface finish. Hot-rolled bars have a rough and uneven texture, while ground bars have a smooth and consistent surface. The choice between the two depends on the specific application and the desired level of surface finish required.
- Q:What is the difference between a cold finished and a hot rolled steel round bar?
- A cold finished steel round bar and a hot rolled steel round bar differ in their manufacturing processes and resulting properties. Cold finished steel round bars are manufactured through a cold drawing process, where the steel is pulled through a die at room temperature. This process results in a smooth, polished surface with tight dimensional tolerances. The cold drawing process also enhances the strength, hardness, and overall mechanical properties of the steel. Cold finished steel round bars are often preferred for applications where precision and a smooth surface are crucial, such as in machinery, automotive parts, and tools. On the other hand, hot rolled steel round bars are manufactured by heating the steel to a high temperature and then rolling it through a series of rollers. This process allows for the shaping and forming of the steel while it is in a pliable state. Hot rolled steel round bars have a rough, scaled surface and looser dimensional tolerances compared to cold finished bars. They also tend to have a slightly lower strength and hardness than their cold finished counterparts. Due to their more affordable cost and ease of production, hot rolled steel round bars are commonly used in construction, structural components, and general fabrication. In summary, the main differences between cold finished and hot rolled steel round bars lie in their manufacturing processes and resulting properties. Cold finished bars offer enhanced strength, precision, and a smooth surface, making them suitable for applications requiring high precision and mechanical performance. Hot rolled bars, on the other hand, have a rougher surface and looser tolerances, but their affordability and ease of production make them a popular choice for general applications.
- Q:What is the resistance to wear of a steel round bar?
- The wear resistance of a steel round bar can vary depending on several factors, including the type of steel used, hardness, surface finish, and any coatings or treatments applied. Steel is widely recognized for its exceptional wear resistance and ability to withstand abrasion and friction. Steel possesses inherent durability and strength, making it resistant to wear from repeated or prolonged contact with other surfaces. Its hardness and strength allow it to resist deformation, chipping, or cracking, even in high-stress situations. This quality makes steel round bars suitable for applications involving heavy loads, constant movement, or abrasive environments. However, it is important to acknowledge that external factors can still influence the wear resistance of a steel round bar. For instance, exposure to corrosive environments or improper handling and maintenance can compromise its wear resistance. In such cases, corrosion or surface damage may occur, resulting in a decrease in overall wear resistance. To enhance the wear resistance of a steel round bar, additional measures can be taken. Heat treatments like quenching and tempering can be employed to improve the hardness and strength of the steel, thereby increasing wear resistance. Furthermore, coatings such as chrome plating or nitriding can be utilized to provide an extra layer of protection against wear, reducing friction and extending the lifespan of the steel round bar. In conclusion, steel round bars generally exhibit high wear resistance due to their inherent durability and strength. However, factors such as steel type, surface finish, coatings, and environmental conditions can impact wear resistance. Proper selection, handling, and maintenance of the steel round bar are crucial to ensuring optimal wear resistance and prolonging its lifespan.
- Q:What is the cost of steel round bars compared to other materials?
- The cost of steel round bars can vary depending on the specific type of steel and current market conditions. Generally, steel round bars tend to be more cost-effective compared to other materials such as aluminum or titanium, especially when considering their strength and durability. However, it is always recommended to compare prices and quality from different suppliers to get a more accurate understanding of the cost differences.
- Q:What are the different types of carbon steel round bars?
- There are several different types of carbon steel round bars available on the market. Some of the commonly used types include: 1. Mild Steel Round Bars: These are the most common type of carbon steel round bars. They have a low carbon content and are easy to weld, cut, and form. Mild steel round bars are suitable for general engineering purposes and have excellent machinability. 2. Medium Carbon Steel Round Bars: These round bars have a higher carbon content than mild steel round bars. They offer better strength and hardness, making them suitable for applications that require higher load-bearing capacity. Medium carbon steel round bars are commonly used in automotive, construction, and machinery industries. 3. High Carbon Steel Round Bars: These round bars have a higher carbon content, typically above 0.60%. They offer superior strength, hardness, and wear resistance. High carbon steel round bars are commonly used in applications that require high strength, such as springs, cutting tools, and axles. 4. Free Cutting Steel Round Bars: These round bars have added elements, such as sulfur or lead, to improve machinability. They are commonly used in applications where easy machining is required, such as in the production of bolts, screws, and fittings. 5. Alloy Steel Round Bars: These round bars contain additional alloying elements, such as chromium, nickel, or molybdenum, to enhance specific properties. Alloy steel round bars offer improved strength, hardness, corrosion resistance, and heat resistance. They are commonly used in applications that require high performance, such as in the aerospace, oil and gas, and automotive industries. It is important to consider the specific requirements of your project or application when selecting the type of carbon steel round bar to ensure optimal performance and durability.
- Q:What are the different types of steel round bar surface treatments used in the automotive industry?
- In the automotive industry, there are several types of steel round bar surface treatments used to enhance the performance, durability, and aesthetics of the components. Some of the common surface treatments include: 1. Phosphating: Phosphating is a widely used surface treatment that involves applying a phosphate coating on the steel round bar. This treatment enhances corrosion resistance and provides a good base for further coatings or paints. 2. Galvanizing: Galvanizing involves applying a layer of zinc to the steel round bar's surface. This treatment provides excellent corrosion resistance and enhances the lifespan of the component. 3. Electroplating: Electroplating is a process where a thin layer of metal, such as chrome or nickel, is deposited onto the steel round bar's surface using an electric current. This treatment improves the appearance, provides corrosion resistance, and enhances wear resistance. 4. Powder coating: Powder coating is a popular surface treatment method where a dry powder is applied to the steel round bar's surface and then heated to form a protective coating. This treatment provides excellent durability, corrosion resistance, and can be customized with various colors and finishes. 5. Anodizing: Anodizing is typically used for aluminum components in the automotive industry. However, it can also be applied to steel round bars in certain cases. This treatment involves creating an oxide layer on the surface, providing improved corrosion resistance and enhancing the appearance. 6. Black oxide coating: Black oxide coating is a chemical treatment that creates a blackened surface on the steel round bar. This treatment provides corrosion resistance, improved aesthetics, and can also act as a lubricant in certain applications. It is important to note that the choice of surface treatment depends on the specific requirements of the automotive component, including environmental conditions, desired appearance, and functional properties. Manufacturers carefully select the appropriate treatment to ensure optimal performance and longevity of the steel round bar in the automotive industry.
- Q:What are the different types of heat treatment for steel round bars?
- There are several types of heat treatment for steel round bars, including annealing, normalizing, quenching, tempering, and case hardening.
- Q:What are the different types of steel round bars used in the defense industry?
- There are various types of steel round bars used in the defense industry, including but not limited to carbon steel, alloy steel, stainless steel, and tool steel. Each type has specific properties that make them suitable for different applications within the defense sector.
- Q:Are steel round bars suitable for the production of fasteners?
- Fasteners can be produced using steel round bars, which are a suitable choice. Steel is known for its strength and durability, enabling it to withstand high levels of tension and pressure. This makes it an ideal option for fasteners. Round bars, specifically, offer a smooth and even surface that can be easily machined and shaped into various types of fasteners like bolts, screws, and studs. The versatility of steel round bars allows for customization in terms of size, length, and surface finish. As a result, they are suitable for a wide range of fastening applications in industries such as construction, automotive, and manufacturing. Moreover, steel round bars exhibit excellent corrosion resistance properties when coated with protective finishes. This ensures that the fasteners have a long lifespan and can be relied upon.
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Quality Hot Rolled Carbon 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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