Round Bars Carbon Steel SAE1020 AISI1020 S20C C22 S20CB
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 500000 m.t./month
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Item specifice
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
Round Bars Carbon Steel SAE1020 AISI1020 S20C C22 S20CB
Product Description of Round Bars Carbon Steel SAE1020 AISI1020 S20C C22
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 Round Bars Carbon Steel SAE1020 AISI1020 S20C C22 S20
Material | SAE 1020 | 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 Round Bars Carbon Steel SAE1020 AISI1020 S20C C22
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 Round Bars Carbon Steel SAE1020 AISI1020 S20C C22
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Round Bars Carbon Steel SAE1020 AISI1020 S20C C22
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:How are steel round bars used in the construction of high-rise buildings?
- Steel round bars are commonly used in the construction of high-rise buildings due to their strength, durability, and versatility. These bars are typically made of carbon steel, which has excellent mechanical properties and can withstand high loads and pressures. In the construction of high-rise buildings, steel round bars are primarily used in reinforced concrete structures. They are commonly used as reinforcement in concrete beams, columns, and slabs. The bars are embedded in the concrete to provide additional strength and stiffness to the overall structure. One of the main advantages of using steel round bars is their ability to resist tension forces. Concrete is strong in compression but weak in tension, so the steel bars act as tension reinforcement, preventing the concrete from cracking or failing under tension loads. This helps to enhance the structural integrity and overall safety of the building. Additionally, steel round bars can be easily bent, shaped, and welded, allowing for flexible design and construction possibilities. They can be customized to specific lengths and diameters to suit the requirements of the building project. This versatility makes them ideal for constructing various structural elements, such as beams and columns, which need to be precisely engineered to support the weight and stresses of a high-rise building. Moreover, steel round bars have excellent resistance to corrosion, which is crucial in the construction of high-rise buildings that are exposed to various environmental elements. The corrosion-resistant properties of steel ensure the long-term durability and lifespan of the structure. Overall, steel round bars play a vital role in the construction of high-rise buildings by providing strength, durability, and flexibility to the reinforced concrete structures. They enhance the overall structural integrity, safety, and longevity of the building, making them an essential component in modern construction practices.
- Q:How can steel round bars be protected from corrosion?
- There are various methods available for protecting steel round bars from corrosion. One common approach involves the application of a protective coating, such as paint or enamel. This coating acts as a barrier between the steel and the corrosive elements present in the environment, thereby minimizing the risk of corrosion. Another effective technique is the use of galvanization, which entails coating the steel round bars with a layer of zinc. Zinc, being a sacrificial metal, tends to corrode more readily than steel. Consequently, when the round bars come into contact with moisture or other corrosive substances, the zinc coating corrodes instead of the steel, providing an extra layer of protection. The utilization of stainless steel round bars is also highly effective in preventing corrosion. Stainless steel contains a significant amount of chromium, which forms a passive layer on the steel's surface. This passive layer acts as a shield, safeguarding the steel against corrosion caused by moisture or other corrosive agents. Regular maintenance and cleaning of the steel round bars are essential for preventing corrosion. Removing dirt, dust, and other contaminants from the surface helps to preserve the protective coating or passive layer if it exists. Additionally, keeping the round bars dry and storing them in a well-ventilated area can also aid in corrosion prevention. Proper handling and storage of steel round bars are equally important. Storing them in a dry and covered location prevents exposure to moisture and corrosive elements. It is also crucial to avoid contact with other metals or materials that can induce galvanic corrosion. By implementing these protective measures, steel round bars can be effectively shielded from corrosion, ensuring their longevity and structural integrity.
- Q:How do steel round bars compare to stainless steel round bars?
- Steel round bars and stainless steel round bars differ in their composition, making them suitable for various applications. The composition of steel mainly consists of iron with small amounts of carbon and other elements, whereas stainless steel is an alloy composed of iron, chromium, and often other elements like nickel or molybdenum. This unique composition gives stainless steel its distinctive properties, such as corrosion resistance. Both steel and stainless steel round bars can be manufactured to have high tensile strength. However, stainless steel generally has higher tensile strength compared to regular steel, making it more suitable for applications requiring additional strength and durability. Another significant difference lies in their resistance to corrosion. Stainless steel round bars have excellent corrosion resistance due to the presence of chromium in their composition, making them ideal for applications exposed to moisture, chemicals, or other corrosive environments. On the other hand, steel round bars are more prone to rust and corrosion and may need additional protective coatings in such environments. In terms of cost, steel round bars are generally more affordable compared to stainless steel round bars. The higher cost of stainless steel is attributed to its unique properties and the additional alloying elements required in its production. Both steel and stainless steel round bars have advantages and specific applications. Steel round bars are commonly used in construction, manufacturing, and general-purpose applications where corrosion resistance is not a primary concern. In contrast, stainless steel round bars find extensive use in industries such as food processing, chemical processing, medical equipment, and marine applications where corrosion resistance is crucial. In conclusion, the choice between steel round bars and stainless steel round bars depends on the specific requirements of the application. Steel round bars are more cost-effective but may require additional corrosion protection, while stainless steel round bars offer superior corrosion resistance and strength.
- Q:What are the different types of steel round bar alloys for improved machinability?
- There are several types of steel round bar alloys that are specifically designed to improve machinability. These alloys are chosen for their ability to be easily shaped, cut, and drilled, which is crucial in various machining applications. Some of the commonly used steel round bar alloys for improved machinability include: 1. 12L14 Steel: This alloy contains added lead, which enhances its machinability. The presence of lead lubricates the cutting tool, reduces friction, and improves chip formation during the machining process. 2. 1215 Steel: Similar to 12L14, 1215 steel also contains added lead, which provides excellent machinability. This alloy is known for its high cutting speeds, smooth surface finish, and improved chip control. 3. 4140 Steel: Although not specifically designed for machinability, 4140 steel is known for its excellent overall machining properties. With proper heat treatment, this alloy offers good strength, toughness, and wear resistance while still maintaining a reasonable level of machinability. 4. 1018 Steel: This low carbon steel alloy is widely used for its excellent machinability. It is easy to cut, drill, and shape, making it suitable for a variety of machining operations. However, it may have lower strength compared to some other alloys. 5. 8620 Steel: This alloy is specifically designed for case hardening, but it also offers good machinability. 8620 steel can be easily machined, providing high surface finish and dimensional accuracy. 6. 416 Stainless Steel: This stainless steel alloy provides good machinability due to its sulfur content. It is used in applications where corrosion resistance is required along with improved machinability. These are just a few examples of steel round bar alloys that are chosen for their enhanced machinability. The selection of the appropriate alloy depends on the specific machining requirements and the desired properties in the final product.
- Q:What is the difference between hot rolled and cold rolled steel round bars?
- The production methods and resulting qualities of hot rolled and cold rolled steel round bars differ. Hot rolled steel round bars are created by heating billets or ingots to a high temperature and shaping them into the desired form using rolling mills. This process yields a scaled surface and a relatively rough texture. The dimensions of hot rolled steel round bars have a wider tolerance and are less precise. They are commonly used in applications where precision is not crucial, such as construction and general manufacturing. In contrast, cold rolled steel round bars are produced by cooling down hot rolled steel to room temperature and subjecting it to further processing through cold rolling mills. This process leads to a smoother surface and more accurate dimensions. Cold rolled steel round bars have a tighter tolerance and are frequently employed in applications that require precision, like automotive components, machinery parts, and tools. Regarding mechanical properties, hot rolled steel round bars generally possess lower tensile strength and yield strength compared to cold rolled steel round bars. Cold rolled steel also tends to have higher hardness and a more uniform grain structure, which can enhance its strength and durability. In summary, the primary distinction between hot rolled and cold rolled steel round bars lies in their production process, surface finish, dimensional accuracy, and mechanical properties. The selection between the two depends on the specific requirements of the application and the desired qualities of the final product.
- Q:What is round steel?
- Round steel is a solid strip of steel whose cross section is round. Its specifications are expressed as millimeters in diameter. For example, "50" means a round steel with a diameter of 50 millimetersRound bar is divided into three kinds of hot rolling, forging and cold drawing. The specification of hot rolled round bar is 5.5-250 millimeters. Among them, 5.5-25 rounds of small round bars are mostly supplied by straight strips. They are commonly used as reinforcing bars, bolts and various mechanical parts;
- Q:Are steel round bars suitable for machining?
- Yes, steel round bars are suitable for machining. Steel round bars are commonly used in various machining processes due to their excellent machinability. They can be easily shaped, cut, drilled, and turned using different machining techniques such as milling, turning, drilling, and grinding. Steel round bars offer good dimensional stability, high strength, and excellent wear resistance, making them ideal for machining operations. Additionally, steel round bars are available in different grades and alloys, allowing for a wide range of machining applications in industries such as automotive, aerospace, construction, and manufacturing.
- Q:How many grades of steel are round steel?
- Secondly, the round steel only shows the shape of steel, all kinds of steel have round steel, it can not explain the nature and composition of steel.
- Q:What are the different types of steel round bar machining processes?
- There are several different types of steel round bar machining processes, each with its own unique characteristics and applications. Some of the most common types include: 1. Turning: This process involves rotating the steel round bar against a cutting tool, which removes material to create the desired shape. Turning is often used to create cylindrical shapes or to remove excess material from the surface. 2. Drilling: Drilling is a machining process that involves creating holes in the steel round bar using a rotating cutting tool. This process is commonly used to create holes for bolts or other fasteners. 3. Milling: Milling is a versatile machining process that involves removing material from the surface of the steel round bar using a rotating cutting tool. This process can be used to create complex shapes, slots, or grooves. 4. Grinding: Grinding is a machining process that uses an abrasive wheel to remove material from the surface of the steel round bar. This process is often used to achieve a smooth finish or to remove any imperfections on the surface. 5. Boring: Boring is a process that involves enlarging an existing hole in the steel round bar using a cutting tool. This process is commonly used to create larger diameter holes or to achieve greater precision. 6. Knurling: Knurling is a machining process that involves creating a pattern of ridges or grooves on the surface of the steel round bar. This process is often used to improve grip or to create a decorative effect. 7. Thread cutting: Thread cutting is a process that involves creating external or internal threads on the surface of the steel round bar. This process is commonly used to create threaded holes or to create threaded fasteners. These are just a few examples of the different types of steel round bar machining processes. Each process has its own advantages and limitations, and the choice of which process to use will depend on the specific requirements of the application.
- Q:What are the typical yield strengths of different grades of steel round bars?
- The yield strength of steel round bars can vary depending on the specific grade of steel. Here are some typical yield strengths for different grades of steel round bars: - Mild steel round bars typically have a yield strength of around 250 MPa (megapascals) or 36,000 psi (pounds per square inch). - Carbon steel round bars can have a yield strength ranging from 350 to 550 MPa or 50,000 to 80,000 psi. - Alloy steel round bars, such as 4140 or 4340, generally have higher yield strengths compared to mild or carbon steel. The yield strength of these alloys can range from 550 to 850 MPa or 80,000 to 120,000 psi. - Stainless steel round bars come in various grades, and their yield strengths can vary accordingly. For example, austenitic stainless steels like 304 or 316 typically have yield strengths ranging from 200 to 300 MPa or 29,000 to 43,000 psi. On the other hand, duplex stainless steels like 2205 or 2507 can have higher yield strengths ranging from 450 to 650 MPa or 65,000 to 95,000 psi. It is important to note that these values are just typical ranges, and the actual yield strength of a specific grade of steel round bar may differ based on factors such as heat treatment, manufacturing process, and other variables. Therefore, it is always recommended to consult the manufacturer's specifications or industry standards for accurate and precise yield strength values of steel round bars.
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Round Bars Carbon Steel SAE1020 AISI1020 S20C C22 S20CB
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 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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