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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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
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:What is the maximum carbon content allowed for steel round bars?
- The carbon content allowed for steel round bars can vary depending on the specific grade or specification of steel used. However, most standard steel round bars typically have a carbon content ranging from approximately 0.25% to 0.30%. This carbon content level helps maintain a balance between strength and ductility, ensuring that the steel is sufficiently strong for load-bearing applications while also being easily formable or machinable. It is crucial to note that certain specialized steels or specific applications may have distinct maximum carbon content requirements. Therefore, it is always necessary to refer to the relevant specifications or standards for precise and accurate information.
- Q:What are the advantages of using steel round bars compared to other materials?
- There are several advantages of using steel round bars compared to other materials. Firstly, steel is an extremely strong and durable material. It has a high tensile strength, which means it can withstand heavy loads and pressure without deforming or breaking. This makes steel round bars ideal for applications that require structural support or load-bearing capabilities. Additionally, steel is a highly versatile material that can be easily shaped and molded into various forms, including round bars. This allows for flexibility in design and makes it suitable for a wide range of applications. Whether it is used in construction, manufacturing, or even in the automotive industry, steel round bars can be customized to fit specific requirements. Moreover, steel is corrosion-resistant. It possesses a natural resistance to rust and other forms of corrosion, which significantly extends its lifespan. This makes steel round bars suitable for both indoor and outdoor use, as they can withstand exposure to moisture, chemicals, and other harsh environmental conditions. Another advantage of steel round bars is their cost-effectiveness. While the initial cost of steel may be higher than some other materials, its long-term benefits and durability make it a cost-effective choice. Steel round bars require minimal maintenance and can last for decades without the need for replacement or repair, resulting in significant cost savings over time. Furthermore, steel is a sustainable material. It is 100% recyclable and can be reused multiple times without losing its properties or quality. This makes steel round bars an environmentally friendly choice, as they contribute to reducing waste and conserving resources. In conclusion, the advantages of using steel round bars compared to other materials include their strength, versatility, corrosion resistance, cost-effectiveness, and sustainability. These qualities make steel round bars a preferred choice for a wide range of applications, providing long-lasting and reliable performance.
- Q:What is the difference between a bright and a hot rolled steel round bar?
- The manufacturing processes and resulting characteristics distinguish a bright steel round bar from a hot rolled steel round bar. To produce a hot rolled steel round bar, the steel billet or ingot is heated to a high temperature and then rolled through a series of rolling mills to achieve the desired shape. As a result, the bar has a rough surface texture with a scale layer on the outside. These bars are commonly used in structural applications where strength and durability are crucial. They have a rough appearance and may require additional processing, such as grinding or machining, to achieve a smooth surface finish. In contrast, a bright steel round bar, also known as a cold drawn or cold finished bar, is created by drawing the hot rolled steel bar through a series of dies at room temperature. This process enhances the dimensional accuracy, surface finish, and mechanical properties of the steel. The resulting bright steel bar has a smooth and shiny surface, devoid of scale or rough texture. These bars are frequently used in applications that require an excellent surface finish and tight dimensional tolerances, such as the production of precision components or for decorative purposes. In conclusion, the primary distinction between a bright and a hot rolled steel round bar lies in their surface finish, dimensional accuracy, and applications. Hot rolled steel bars feature a rough surface texture and are suitable for structural applications, while bright steel bars have a smooth and shiny surface finish, making them ideal for precision or decorative applications.
- Q:Can steel round bars be used for making security grilles?
- Yes, steel round bars can be used for making security grilles. The strength and durability of steel make it an excellent choice for security applications, providing protection and ensuring the safety of premises.
- Q:What are the different types of steel round bar surface finishes used in the marine industry?
- In the marine industry, various surface finishes are commonly utilized for steel round bars. These finishes possess distinct characteristics and serve specific purposes, making them suitable for particular applications. The marine industry frequently employs the following steel round bar surface finishes: 1. Polished Finish: To achieve a polished finish, the surface of the steel round bar is ground until it becomes smooth and reflective. This finish is employed when aesthetics are important, as it provides an appealing and shiny appearance. Polished finishes are commonly used for decorative purposes on boat fittings, handrails, and other exposed areas. 2. Mill Finish: Mill finish refers to the surface condition of steel round bars when they are received from the mill without any additional treatment. This finish is characterized by a rough and dull appearance, as it is not intended to be visually pleasing. Mill finishes are typically utilized when a smooth or polished surface is unnecessary, such as in structural applications or when the material will be painted or coated. 3. Shot Blasted Finish: Shot blasting is a surface treatment process that involves propelling small steel shots at high velocity onto the surface of the round bar. This process eliminates surface impurities, scales, or rust, resulting in a clean and slightly textured finish. Shot blasted finishes are commonly used in marine applications where improved adhesion of coatings or paint is required, as the textured surface provides a better bonding surface. 4. Hot Rolled Finish: The hot rolled finish is attained by subjecting the steel round bar to high temperatures during the manufacturing process, followed by rapid cooling. This process creates a scaly surface with a rough texture. Hot rolled finishes are suitable for marine applications where corrosion resistance is not the primary concern and where the material will undergo further processing or coating. 5. Galvanized Finish: Galvanizing involves applying a protective zinc coating to the surface of the steel round bar. This finish offers excellent corrosion resistance, making it ideal for marine applications where the material will be exposed to saltwater or harsh environmental conditions. Galvanized finishes are commonly employed for boat trailers, marine hardware, and other components that require enhanced protection against corrosion. These are merely a few examples of the diverse steel round bar surface finishes used in the marine industry. Each finish possesses its own unique properties and advantages, allowing for a wide range of applications in the maritime sector. The choice of finish depends on factors such as aesthetics, corrosion resistance, coating compatibility, and the specific requirements of the marine application.
- Q:40CrMo what is the round steel material?
- High strength, high hardenability, good toughness, little deformation during quenching and high creep strength and lasting strength at high temperature.
- Q:Can steel round bars be used for making suspension components?
- Yes, steel round bars can be used for making suspension components. Steel is a common material used in the manufacturing of suspension components due to its high strength and durability. Steel round bars can be machined or forged into various shapes and sizes to meet the specific requirements of suspension components such as control arms, sway bars, and tie rods. The use of steel round bars ensures the suspension components can withstand the forces and stresses encountered during vehicle operation, providing stability, control, and safety.
- Q:Can steel round bars be used in the mining industry?
- Yes, steel round bars can be used in the mining industry. Steel round bars are commonly used in various mining applications due to their strength, durability, and resistance to corrosion. They are used in the construction of mining equipment, such as crushers, conveyors, and drill rods. Steel round bars are also utilized in the production of support structures, such as mine shafts and tunnels, as well as in the fabrication of drilling tools and machinery. Their versatility and high tensile strength make them an ideal choice for the demanding and harsh conditions often encountered in the mining industry.
- Q:How do steel round bars compare to plastic round bars?
- Steel round bars and plastic round bars have several key differences that affect their performance and suitability for different applications. Strength and durability: Steel round bars are known for their exceptional strength and durability, making them ideal for applications requiring high load-bearing capacity. They can withstand heavy loads and resist deformation or breakage. On the other hand, plastic round bars are generally less strong and durable, making them more suitable for lighter applications where strength is not a primary concern. Weight: Steel round bars are significantly heavier than plastic round bars due to the difference in material density. This can be an advantage in some applications where additional weight is desired for stability or balance. Plastic round bars, on the other hand, are lighter and can be advantageous in applications where weight reduction is important, such as in aerospace or automotive industries. Corrosion resistance: Steel round bars are known for their excellent corrosion resistance, particularly when they are made from stainless steel. This makes them suitable for applications in harsh environments or exposed to moisture. Plastic round bars, however, are generally more susceptible to degradation due to exposure to UV radiation, chemicals, or extreme temperatures. Therefore, they may not be as suitable for outdoor or corrosive environments. Versatility: Steel round bars offer a wide range of options in terms of size, shape, and grade. They can be machined, welded, bent, or shaped to suit various applications. Plastic round bars also come in different shapes and sizes, but their versatility is somewhat limited compared to steel. They may not be as easily machined or welded, and their performance can be affected by temperature fluctuations. Cost: Steel round bars are generally more expensive than plastic round bars due to the higher cost of raw materials and manufacturing processes. Plastic round bars, on the other hand, are more affordable and can offer cost savings in certain applications. In summary, steel round bars offer superior strength, durability, and corrosion resistance, making them suitable for heavy-duty applications. Plastic round bars are lighter, more affordable, and can be advantageous in applications where weight reduction is important. Ultimately, the choice between steel and plastic round bars depends on the specific requirements of the application and the trade-offs between strength, weight, cost, and corrosion resistance.
- Q:What is the difference between a turned and a ground steel round bar?
- Two distinct types of steel bars, a turned steel round bar and a ground steel round bar, have undergone different manufacturing procedures. To create a turned steel round bar, a cylindrical steel rod is rotated against a cutting tool, which eliminates material from the bar's surface to achieve the desired dimensions and finish. This process enhances the bar's dimensional accuracy and smoothness. Turned steel round bars find common usage in precision machining or automotive components that necessitate tight tolerances and a smooth surface finish. Conversely, a ground steel round bar is manufactured by passing a turned steel round bar through a grinding machine. This machine uses an abrasive wheel to eliminate any surface imperfections or irregularities from the bar. The grinding process ensures that the bar maintains a consistent diameter and a smooth, polished surface. Ground steel round bars often find application in aerospace components or hydraulic cylinders that demand a high level of precision and surface finish. In conclusion, the primary distinction between a turned and a ground steel round bar lies in the manufacturing processes they undergo. While turned bars are created by cutting material from the surface, ground bars are refined by grinding to achieve superior dimensional accuracy and surface smoothness. The selection between turned and ground steel round bars is contingent upon the specific requirements of the application and the desired level of precision and surface finish.
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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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