ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
Product Description of ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
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 ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
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 ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
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 ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
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: Can steel round bars be bent or shaped?
- Yes, steel round bars can be bent or shaped using various methods such as heating, mechanical force, or specialized equipment like hydraulic presses.
- Q: What is the difference between a rough turned and a polished steel round bar?
- A rough turned steel round bar has undergone a preliminary machining process that removes surface imperfections and excess material, providing a slightly smoother finish. On the other hand, a polished steel round bar has undergone further polishing or grinding processes to achieve a much smoother and aesthetically appealing surface finish.
- Q: What are the different surface finishes available for steel round bars?
- There are several surface finishes available for steel round bars, each offering unique properties and applications. Some of the common surface finishes include: 1. Hot Rolled: This is the most basic surface finish, achieved by heating the steel above its recrystallization temperature and then allowing it to cool. It provides a rough and scaled surface, ideal for applications that do not require a high level of aesthetics. 2. Cold Drawn: In this process, the steel round bar is pulled through a die at room temperature, resulting in a smooth and polished surface. Cold drawn surface finish offers improved dimensional accuracy and tighter tolerances, making it suitable for applications that require precision and a visually appealing appearance. 3. Turned and Polished: Steel round bars can be turned on a lathe machine to achieve a smooth and shiny surface finish. This process removes any imperfections and irregularities, providing a close tolerance and highly finished surface. Turned and polished bars are often used in applications where a high level of surface finish and dimensional accuracy is required, such as in the manufacturing of shafts and precision components. 4. Ground: Steel round bars can be ground to remove any surface defects or irregularities. Grinding produces a highly accurate and smooth surface finish, making it suitable for applications that require close tolerances and a superior surface finish. Ground bars are commonly used in the manufacturing of bearings, gears, and other high-precision components. 5. Coated: Steel round bars can also be coated with various materials to enhance their performance and protect them from corrosion. Common coating options include zinc, chrome, and nickel. Coated bars offer improved durability, resistance to corrosion, and enhanced aesthetic appeal. The choice of surface finish for steel round bars depends on the specific requirements of the application, such as dimensional accuracy, surface quality, corrosion resistance, and aesthetic appeal.
- Q: What is the maximum aluminum content allowed for steel round bars?
- The maximum aluminum content allowed for steel round bars varies depending on the specific steel grade and industry standards. In general, the aluminum content in steel round bars is typically limited to a maximum of 0.03-0.06% for most commercial and structural steel grades. However, there are certain specialized steel grades, such as those used in the aerospace industry, where higher levels of aluminum content may be allowed. It is important to consult the specific steel grade's technical specifications or industry standards to determine the maximum allowable aluminum content for steel round bars.
- Q: How do you calculate the length of a steel round bar?
- In order to determine the length of a steel round bar, it is necessary to measure its diameter and employ a basic formula that involves the diameter and the mathematical constant pi (π). To begin, utilize a caliper or measuring tape to measure the diameter of the steel round bar at its widest point. It is important to ensure an accurate outcome by measuring across the center of the bar. Once the diameter has been obtained, the circumference of the round bar can be calculated by multiplying the diameter by pi (π). The formula for calculating the circumference is: Circumference = π × Diameter Lastly, to ascertain the length of the round bar, one must either be aware of the number of complete rotations it makes or measure the distance it covers. If the number of rotations is known, multiply the circumference by the number of rotations. If measuring the distance covered, simply utilize the measured distance as the length of the round bar.
- Q: What are the different types of steel round bar surface treatments used in the automotive industry?
- In the automotive industry, the most common types of steel round bar surface treatments used are galvanization, electroplating, and powder coating. Galvanization involves coating the steel with a layer of zinc to protect it from corrosion. Electroplating is a process where a thin layer of another metal, such as chrome or nickel, is applied to the steel surface for enhanced aesthetics and protection. Powder coating, on the other hand, involves applying a dry powder to the steel surface and then curing it under high heat to create a durable and attractive finish. These surface treatments help improve the durability, appearance, and overall performance of steel round bars used in automotive applications.
- Q: Are steel round bars suitable for use in the manufacturing of valves?
- Yes, steel round bars are suitable for use in the manufacturing of valves. Steel is a versatile and widely used material in various industries, including valve manufacturing. Steel round bars offer several advantages that make them suitable for this application. Firstly, steel round bars provide high strength and durability, which are essential qualities for valves that are often subjected to high pressure and temperature conditions. Steel has excellent mechanical properties, including high tensile strength and resistance to impact, making it capable of withstanding the demanding operational requirements of valves. Secondly, steel round bars are readily available in a wide range of sizes and grades, allowing manufacturers to select the most appropriate material for their specific valve designs. Different grades of steel offer varying characteristics, such as corrosion resistance, heat resistance, and machinability, enabling the production of valves suitable for various environments and applications. Furthermore, steel round bars can be easily machined and fabricated to meet specific valve requirements. The round shape of the bar provides ease of processing, including cutting, drilling, and threading, allowing manufacturers to efficiently produce valves with complex geometries and precise dimensions. In addition to their mechanical properties and versatility, steel round bars also offer cost-effectiveness. Steel is a cost-efficient material compared to other alternatives, such as titanium or stainless steel, without compromising on the performance and reliability of the valves. Overall, steel round bars are a suitable choice for use in the manufacturing of valves due to their high strength, durability, versatility, and cost-effectiveness. These qualities make steel round bars a preferred material for valve manufacturers seeking to produce reliable and high-quality valves for various industrial applications.
- Q: What are the different surface treatments available for stainless steel round bars?
- To enhance the appearance, improve corrosion resistance, and provide added protection for stainless steel round bars, there are various surface treatments available. Some commonly used surface treatments for stainless steel round bars are as follows: 1. Acid immersion: This process involves immersing the stainless steel bar in an acid solution to eliminate surface impurities and oxides. Acid immersion restores the natural corrosion resistance of stainless steel and results in a smooth and clean surface. 2. Chemical passivation: Passivation is a chemical treatment that forms a thin, protective layer on the surface of stainless steel. By eliminating free iron and other contaminants, passivation enhances the corrosion resistance of stainless steel. 3. Electrolytic polishing: This treatment involves immersing the stainless steel round bar in an electrolyte solution and applying an electric current. By removing a thin layer of material from the surface, electrolytic polishing creates a smooth, shiny, and corrosion-resistant finish. 4. Mechanical grinding and polishing: Grinding and polishing are mechanical processes used to improve the surface finish of stainless steel round bars. Grinding eliminates imperfections and roughness, while polishing creates a smooth and reflective surface. 5. Protective coating: Applying a protective layer to stainless steel round bars can provide additional corrosion resistance. Common coatings include electroplating with zinc or nickel, as well as organic coatings such as paints or powder coatings. 6. High-velocity shot blasting: This treatment involves bombarding the surface of the stainless steel round bar with small metallic or non-metallic particles at high speed. Shot blasting eliminates surface contaminants, scales, or oxides, resulting in a clean and textured surface. It is important to consider the desired end-use application and specific requirements for appearance and corrosion resistance when choosing a surface treatment for stainless steel round bars. Seeking advice from professionals or manufacturers can help determine the most suitable treatment.
- Q: What are the standard sizes of steel round bars?
- The standard sizes of steel round bars vary depending on the country and the specific industry standards. In general, steel round bars are available in a wide range of diameters, typically ranging from 6mm (0.24 inches) to 400mm (15.75 inches) or even larger. Commonly used sizes for commercial applications include 10mm (0.39 inches), 12mm (0.47 inches), 16mm (0.63 inches), 20mm (0.79 inches), 25mm (0.98 inches), and 32mm (1.26 inches). However, it is important to note that these sizes may differ in different regions and industries, and specialized applications may require unique dimensions. It is always recommended to consult the relevant industry standards or consult with suppliers to determine the specific standard sizes for steel round bars in a particular context.
- Q: Can steel round bars be used in the production of industrial machinery?
- Yes, steel round bars can be used in the production of industrial machinery. Steel round bars are commonly used in the manufacturing of machine components such as shafts, axles, gears, and fasteners due to their high strength, durability, and versatility. They provide excellent structural support and can withstand heavy loads and stress, making them ideal for use in various industrial machinery applications.
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ASTM1020 Carbon Structural Steel SAE1020 Steel Bar
- 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
OKorder Financial Service
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