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
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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
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: What are the different types of surface defects that can occur in steel round bars?
- There are several types of surface defects that can occur in steel round bars. Some of the most common defects include: 1. Scratches: These are shallow grooves or marks on the surface of the round bar caused by friction or contact with sharp objects during handling or transport. 2. Pitting: Pits are small, localized cavities or depressions on the surface of the round bar caused by corrosion or exposure to harsh environments. Pitting can lead to further corrosion if not addressed. 3. Scale: Scale refers to the thin layer of oxide or other impurities that can form on the surface of steel round bars during the manufacturing process. It can affect the appearance and quality of the bar but is often removed during subsequent processing or cleaning. 4. Scabs: Scabs are irregularly shaped protrusions or raised areas on the surface of the round bar caused by solidification or cooling issues during the casting process. They can reduce the strength and integrity of the bar if not properly addressed. 5. Roll marks: These are elongated depressions or ridges on the surface of the round bar caused by uneven or improper rolling during the manufacturing process. Roll marks can affect the dimensional accuracy of the bar and may require additional processing or grinding to remove. 6. Laminations: Laminations are internal defects that can sometimes be visible on the surface of the round bar. They are caused by improper bonding or separation of layers during the steelmaking process. Laminations can weaken the bar and reduce its load-bearing capacity. 7. Inclusions: Inclusions are non-metallic particles or impurities that can become trapped in the steel during the manufacturing process. They can appear as dark spots or irregularities on the surface of the round bar and may affect its mechanical properties. It is important to note that these surface defects can vary in severity and impact on the performance of the steel round bar. Manufacturers and quality control personnel employ various inspection techniques to identify and mitigate these defects to ensure the quality and reliability of the final product.
- Q: How do you calculate the weight of a steel round bar based on its length and diameter?
- The weight of a steel round bar can be determined by utilizing the subsequent equation: Weight = (π/4) x (Diameter^2) x Length x Density. In this equation, π denotes the mathematical constant pi, with an approximate value of 3.14159. Diameter represents the measurement across the widest point of the steel round bar, while Length corresponds to the overall length of the bar. Additionally, Density signifies the typical density of steel, which is approximately 7850 kilograms per cubic meter. To calculate the weight, first square the diameter and then proceed to multiply it by the length and density. Finally, multiply the outcome by π/4 to obtain the weight of the steel round bar in the desired units, typically kilograms or pounds. It is crucial to acknowledge that this equation assumes the steel round bar is a solid cylinder with a uniform diameter. If there are any variations or irregularities present in the bar, the weight determined using this equation may not be entirely accurate.
- Q: Can steel round bars be used for making transmission components?
- Yes, steel round bars can be used for making transmission components. Steel is commonly used in the manufacturing of transmission components due to its high strength, durability, and resistance to wear and tear. The round bars can be machined and shaped into various transmission components such as gears, shafts, and couplings, providing reliable and efficient performance in transmission systems.
- Q: What are the advantages of using steel round bars in construction?
- There are several advantages of using steel round bars in construction: 1. Strength and Durability: Steel round bars are known for their exceptional strength and durability. They have a high tensile strength, which means they can withstand heavy loads and provide robust support. This makes them ideal for construction projects that require structural integrity and stability. 2. Versatility: Steel round bars come in various sizes and grades, offering versatility in construction. They can be easily shaped, bent, and welded to fit specific design requirements, making them suitable for a wide range of applications. Whether it's for building frameworks, reinforcement in concrete structures, or even decorative elements, steel round bars can be tailored to meet different project needs. 3. Cost-effectiveness: Steel round bars offer cost-effectiveness in construction due to their long lifespan and low maintenance requirements. They are resistant to corrosion, weathering, and pests, which reduces the need for frequent repairs or replacements. Additionally, their strength allows for the utilization of lighter construction materials, leading to potential cost savings in the overall project. 4. Fire Resistance: Steel round bars have excellent fire-resistant properties, making them a safe choice for construction. They do not burn, melt, or emit toxic fumes under high temperatures, which can be crucial in preventing the spread of fire and ensuring the safety of occupants. 5. Sustainability: Steel is a highly sustainable material as it is 100% recyclable. Using steel round bars in construction contributes to reducing environmental impact by minimizing waste and conserving natural resources. Additionally, the process of recycling steel requires less energy compared to manufacturing it from raw materials, making it an eco-friendly choice. 6. Availability and Quality Control: Steel round bars are readily available in the market, making them easily accessible for construction projects. Moreover, their production undergoes strict quality control measures, ensuring consistent and reliable material properties. This guarantees the structural integrity and safety of the constructed buildings or infrastructures. In conclusion, the advantages of using steel round bars in construction include their strength, versatility, cost-effectiveness, fire resistance, sustainability, availability, and quality control. These attributes make them a popular choice for builders and engineers seeking reliable and efficient materials for their construction projects.
- Q: What are the different types of steel round bars used in the defense industry?
- In the defense industry, various steel round bars are commonly employed due to their strength, durability, and ability to withstand harsh conditions. Some of the frequently utilized types are as follows: 1. High-strength low-alloy (HSLA) steel round bars: These bars possess a high strength-to-weight ratio, making them ideal for applications where weight reduction is crucial. They find extensive use in the construction of armored vehicles, tanks, and other military equipment. 2. Stainless steel round bars: Stainless steel exhibits remarkable resistance to corrosion and rust, making it an excellent choice for defense applications exposed to moisture or harsh environments. Its wide usage includes the manufacturing of military aircraft, naval vessels, and firearms. 3. Carbon steel round bars: Carbon steel is a versatile and cost-effective material extensively used in the defense industry. It offers excellent strength and hardness, making it suitable for various applications, such as missile components, gun barrels, and armor plates. 4. Alloy steel round bars: Alloy steel is a blend of different metals, typically including chromium, molybdenum, and nickel, which enhances its mechanical properties. It finds common application in the production of military-grade vehicles, artillery systems, and munitions. 5. Tool steel round bars: Tool steel is specifically designed to possess exceptional hardness, wear resistance, and toughness. It is often employed in the manufacturing of cutting tools, drills, and other equipment utilized in the defense industry. Each type of steel round bar possesses unique properties and advantages, enabling it to meet specific requirements within the defense sector. The selection of the appropriate steel round bar depends on the specific application and the desired performance characteristics needed to meet the demands of the defense industry.
- Q: What are the advantages of using copper-alloy steel round bars?
- There are several advantages to using copper-alloy steel round bars. Firstly, the copper content in the alloy enhances the material's corrosion resistance, making it suitable for applications in harsh environments or exposed to moisture. Secondly, the combination of copper and steel results in improved strength and durability, allowing the round bars to withstand heavy loads and high-stress conditions. Additionally, copper-alloy steel round bars offer excellent thermal conductivity, making them ideal for applications where heat transfer is necessary. Lastly, copper-alloy steel round bars are relatively easy to machine and fabricate, providing versatility in various industries such as construction, manufacturing, and engineering.
- Q: What are the different types of steel round bar finishes for decorative purposes?
- For decorative purposes, steel round bars can be finished in various ways, each offering a unique appeal. These finishes not only enhance the overall appearance of the steel round bar but also make it suitable for a range of decorative applications. Here are some of the most popular finishes: 1. Achieving a polished finish involves using abrasives to polish the steel round bar, resulting in a smooth and shiny surface. This reflective, mirror-like finish adds an elegant and sophisticated touch to any decorative project. 2. A brushed finish, also referred to as a satin finish, is obtained by brushing the steel round bar with a fine abrasive material, creating a textured pattern. It offers a slightly matte appearance, making it perfect for contemporary or industrial-style decorative applications. 3. The hammered finish involves striking the steel round bar with a hammer, resulting in a textured and hammered surface. This finish creates a rustic and aged look, making it ideal for decorative items with a vintage or antique-inspired theme. 4. The blackened finish is achieved by subjecting the steel round bar to a chemical or heat treatment, resulting in a darkened or blackened appearance. It adds a sleek and modern touch to decorative projects, making it a popular choice for contemporary designs. 5. Powder coating is a durable and long-lasting finish where a powdered paint is electrostatically applied to the steel round bar and then cured under heat. This finish offers a wide range of color options and excellent protection against corrosion, making it suitable for both indoor and outdoor decorative applications. These examples illustrate the variety of steel round bar finishes available for decorative purposes. The choice of the finish depends on the desired aesthetic, style, and overall theme of the decorative project.
- Q: What is the difference between a hot rolled and a precision ground steel round bar?
- The main difference between a hot rolled and a precision ground steel round bar is the manufacturing process and the resulting surface finish. Hot rolled steel round bars are made by heating a steel billet until it is soft enough to be formed into a round shape, then rolling it through a series of rollers to achieve the desired diameter. This process creates a rougher surface finish and can result in slight variations in diameter along the length of the bar. On the other hand, precision ground steel round bars are made by starting with a hot rolled bar and then subjecting it to additional grinding or machining processes to achieve a precise diameter and a smooth, consistent surface finish. This extra processing ensures that the bar has a more uniform size and a finer surface texture, making it suitable for applications that require tight tolerances and a polished appearance. Overall, the choice between a hot rolled and a precision ground steel round bar depends on the specific requirements of the application. Hot rolled bars are generally more cost-effective and suitable for less demanding applications, while precision ground bars are preferred for precision machining and high-performance applications.
- Q: How do steel round bars perform in high-temperature environments?
- Steel round bars generally perform well in high-temperature environments. The performance of steel round bars in high-temperature conditions can be attributed to their high melting point and excellent heat resistance properties. Steel has a relatively high melting point compared to other materials, allowing it to withstand elevated temperatures without losing its structural integrity. Furthermore, steel round bars possess excellent thermal conductivity, which allows them to dissipate heat efficiently, minimizing the risk of deformation or structural failure. This property makes steel round bars suitable for applications where heat is generated, such as in industrial processes or high-temperature equipment. In addition to its high melting point and thermal conductivity, steel also demonstrates good mechanical strength at high temperatures. It retains its load-bearing capacity and dimensional stability, ensuring that it can withstand the stresses and strains imposed on it in high-temperature environments. However, it is important to note that the performance of steel round bars in high-temperature conditions may be influenced by the specific grade of steel used. Different grades of steel have varying compositions and alloying elements which can affect their performance at elevated temperatures. It is crucial to select the appropriate grade of steel that is specifically designed for high-temperature applications to ensure optimal performance and longevity. Overall, steel round bars are a reliable and durable choice for use in high-temperature environments due to their high melting point, excellent thermal conductivity, and mechanical strength.
- Q: Can steel round bars be used in the production of machinery?
- Yes, steel round bars can be used in the production of machinery. Steel round bars are commonly used in various industries, including machinery manufacturing. They provide strength, durability, and versatility, making them suitable for applications such as shafts, axles, gears, and other critical components in machinery.
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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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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