Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
- 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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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
Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
Product Description of Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
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 Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
Material | ASTM 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 Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
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 Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
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 used for making gears or sprockets?
- Yes, steel round bars can be used for making gears or sprockets. Steel is a commonly used material in gear and sprocket manufacturing due to its high strength, durability, and resistance to wear and tear. Steel round bars can be machined or forged into the desired shape and then cut, drilled, or milled to create the necessary teeth or grooves required for gear or sprocket functionality. The specific type of steel and its heat treatment can be chosen based on the application requirements, such as load capacity, speed, and environmental conditions. Overall, steel round bars are a versatile and reliable choice for manufacturing gears and sprockets.
- Q: What are the different types of steel round bar coatings used in the oil and gas industry?
- In the oil and gas industry, several types of steel round bar coatings are commonly used to enhance the durability and corrosion resistance of the bars. These coatings are essential for protecting the steel from the harsh environments encountered in oil and gas production, transportation, and refining processes. 1. Galvanized Coating: Galvanization involves applying a layer of zinc to the steel round bar. This coating provides excellent corrosion resistance and protects the steel from the effects of moisture, chemicals, and exposure to the elements. Galvanized coatings are commonly used in various applications in the oil and gas industry, especially in pipelines, offshore platforms, and storage tanks. 2. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a thermosetting epoxy powder coating applied to the steel round bar using electrostatic spray. The coating is then heat-fused to form a strong, durable, and corrosion-resistant layer. FBE coatings are widely used in the oil and gas industry for pipelines, valves, and fittings, as they provide excellent protection against corrosion, abrasion, and chemicals. 3. Polyethylene (PE) Coating: PE coating involves applying a layer of polyethylene to the steel round bar through extrusion or wrapping methods. This coating is commonly used for pipelines in the oil and gas industry as it provides exceptional resistance to corrosion, chemicals, and impact. PE coatings are also known for their flexibility, allowing the coated bars to withstand ground movement and temperature variations. 4. Polypropylene (PP) Coating: PP coating is similar to PE coating, but it uses polypropylene instead. PP coatings offer similar benefits to PE coatings, including corrosion resistance, chemical resistance, and flexibility. They are often used in the oil and gas industry for pipelines, particularly in areas with higher temperatures or where chemical resistance is a priority. 5. Zinc-Nickel Coating: Zinc-nickel coatings involve electroplating a layer of zinc-nickel alloy onto the steel round bar. This coating provides excellent corrosion protection, even in harsh environments such as offshore installations or high-salinity areas. Zinc-nickel coatings are known for their superior resistance to both corrosion and abrasion, making them ideal for various oil and gas applications. Overall, these different types of steel round bar coatings play a crucial role in safeguarding the integrity and longevity of equipment and infrastructure in the oil and gas industry. They ensure that the steel bars can withstand the demanding conditions encountered in exploration, production, and transportation, reducing maintenance needs and enhancing safety and reliability.
- Q: What is the difference between a bright and a cold finished steel round bar?
- A bright steel round bar and a cold finished steel round bar are two distinct types of steel bars that differ in their manufacturing processes and resulting characteristics. A bright steel round bar, also known as a turned or polished bar, undergoes a process called turning or polishing. During this process, the rough steel bar is rotated on a lathe machine and a cutting tool is applied to remove the outer layer of the bar, resulting in a smooth and shiny surface. This process not only enhances the appearance of the bar but also improves its dimensional accuracy and surface finish. Bright steel round bars are commonly used in applications where aesthetics and a high-quality surface finish are important, such as architectural components, decorative items, and certain automotive parts. On the other hand, a cold finished steel round bar undergoes a different manufacturing process called cold drawing or cold rolling. In this process, the hot-rolled steel bar is passed through a series of dies at room temperature, reducing its diameter and increasing its length. This cold working process gives the steel bar improved mechanical properties, such as increased tensile strength, improved yield strength, and enhanced dimensional accuracy. Cold finished steel round bars are often used in applications that require high strength and precision, such as shafts, gears, bolts, and tools. In summary, the main difference between a bright steel round bar and a cold finished steel round bar lies in their manufacturing processes and resulting characteristics. While a bright steel round bar is turned or polished to achieve a smooth and shiny surface, a cold finished steel round bar undergoes cold drawing or rolling to enhance its mechanical properties and dimensional accuracy. The choice between these two types of steel bars depends on the specific requirements of the application, such as the need for aesthetics, surface finish, strength, or precision.
- Q: How do you calculate the weight of a steel round bar based on its length and diameter?
- To calculate the weight of a steel round bar, you can use the formula: weight = (pi * diameter^2 * length) / 4.
- Q: Can steel round bars be painted or coated?
- Yes, steel round bars can be painted or coated. Painting or coating steel round bars is a common practice to enhance their appearance, protect them from corrosion, and provide additional functionality. The process typically involves cleaning the surface of the bars to remove any dirt, grease, or rust, and then applying a primer or base coat followed by a topcoat or finish. The type of paint or coating used will depend on the specific requirements of the application, such as the desired color, level of protection, or resistance to environmental conditions. Additionally, certain coatings can provide specific properties like anti-slip, heat resistance, or chemical resistance. Overall, painting or coating steel round bars is an effective way to improve their aesthetics and durability.
- Q: What is the maximum titanium content allowed for steel round bars?
- The maximum titanium content allowed for steel round bars typically depends on the specific steel grade and composition. However, as a general guideline, the maximum titanium content in steel round bars is usually around 0.05-0.06%.
- Q: What are the different surface treatments available for tool steel round bars?
- Some of the different surface treatments available for tool steel round bars include: 1. Nitriding: This process involves diffusing nitrogen into the surface of the tool steel, which improves hardness, wear resistance, and corrosion resistance. 2. Hard Chrome Plating: This treatment involves applying a layer of chromium to the surface of the tool steel, which enhances hardness, wear resistance, and resistance to corrosion. 3. Black Oxide Coating: This treatment involves a chemical reaction that creates a black oxide layer on the surface of the tool steel, providing improved appearance and some corrosion resistance. 4. PVD Coating: Physical Vapor Deposition (PVD) is a process that deposits a thin film coating onto the surface of the tool steel. Different types of PVD coatings can improve hardness, lubricity, and resistance to wear and corrosion. 5. DLC Coating: Diamond-Like Carbon (DLC) coating is a type of PVD coating that incorporates carbon to provide enhanced hardness, low friction, and wear resistance. 6. Powder Coating: This process involves applying a dry powder coating to the surface of the tool steel, which is then cured to create a durable and attractive finish. These surface treatments can be chosen based on the specific requirements of the tool steel application, such as improving wear resistance, reducing friction, enhancing appearance, or providing corrosion resistance.
- Q: Can steel round bars be coated?
- Yes, steel round bars can be coated. Coating steel round bars provides several benefits, including improved corrosion resistance, enhanced durability, and increased aesthetic appeal. The most common types of coatings for steel round bars include galvanized coatings, epoxy coatings, and powder coatings. Galvanized coatings involve the application of a layer of zinc to the surface of the steel, which provides excellent corrosion protection. Epoxy coatings are typically used for industrial applications as they offer superior chemical resistance and can withstand harsh environments. Powder coatings involve the application of a dry powder electrostatically, which is then cured under heat to form a hard, protective layer. These coatings can be applied to steel round bars to protect them from rust and other forms of corrosion, making them suitable for a wide range of applications in various industries such as construction, manufacturing, and automotive.
- Q: How do you determine the straightness of a steel round bar?
- To determine the straightness of a steel round bar, you can use a straightedge or a precision measuring instrument such as a dial indicator. Place the straightedge along the length of the bar and observe if there are any visible gaps or deviations from a straight line. Alternatively, by using a dial indicator, you can measure the amount of deflection or deviation from a straight path at different points along the bar's length.
- 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.
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Carbon Structural Steel Round Bar ASTM1020/GB20/DINC22
- 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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