• ASTM A105 Carbon Steel Round Bars System 1
  • ASTM A105 Carbon Steel Round Bars System 2
  • ASTM A105 Carbon Steel Round Bars System 3
  • ASTM A105 Carbon Steel Round Bars System 4
  • ASTM A105 Carbon Steel Round Bars System 5
  • ASTM A105 Carbon Steel Round Bars System 6
ASTM A105 Carbon Steel Round Bars

ASTM A105 Carbon Steel Round Bars

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
10000 m.t./month

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ASTM A105 Carbon Steel Round Bars          

                       

Products Details 


Item 


Standard 

GB/T 700-2006,GB/T 1591-94,JIS G3101-2004,

ASTM A36/A36M-05,ASTM A242/A242M-04,ASTM A529/A529M-05,

ASTM A572/A572M-06,EN 10025-2-2004

Material 

Q195,Q215 A,Q215 B,Q235 A,Q235 B,Q235 C,

Q235D,Q275,Q275B,Q275C,Q275D,Q295,Q345,Q390,Q420, Q460,

SS330,SS400,SS490,SS540,A36,1,GR.36,50(245),55(380),42(290),

60(415),65(450),S185(1.0035),S235JO(1.0114), S235JR(1.0038),

S235J2(0.0117),S275JR(1.0044),S275JO(1.10143),S355JO(1.0553),

E295(1.0050),E335(1.0060), S235J2W(1.861),S355J2W(1.8965),10#,

15#20#

Diameter

4mm~800mm

Length

1m,3m,5.8m,6m,12m or as required

Surface

polished,bright,black,coated,2b,ba,mirror,NO.4,8K

Package

Standard export seaworthy or as customers’ requirements

 

 

Application

 

1.Mainly used in the manufacture of petroleum, chemical, gas separation and shipping 

container or other similar devices, such as all kinds of tower vessels, heat exchangers, 

torage tank and tank car, etc

 

2.Manufacture all kinds of stamping parts, construction and engineering structure and 

some of the less important machine structure and parts.

 

3. Buildings and Bridges,Vehicles, towers and other structures.

 

4.Used as a floor, workshop escalator, working pedal, ship deck and car plate and so on

 

5.Make fixed boiler, boiler and other important hull attachments.

 

6.Pressure vessels, welding gas cylinder steel plate

 

7.Production of cutting tools, measuring tool and die

 

Export

Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,Brazil,Thailand,Iraq,Russia,

Holland,Turkey,Kuwait,Korea,Iran,India,Egypt,Oman,Malaysia,Peru,

Vietnam,Mexico,etc

 


Products Show 

 


Product Overviews 

Product NameTypical GradesDiameter(mm)Standard adopted
Carbon Steel20 (1020/S20C/C22)Ø16-Ø300

 

 

GB/SAE/JIS/DIN

 

40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing SteelGCr9 (51100/SUJ1)Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)

 

Cr-Mo Steel

20Cr (5120/SCr420H/20Cr4)Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel20CrNiMoØ16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)


Application 

Carbon Steel

 Mold bottom,   Plastic mold,   Construction machinery parts

 Automobile parts,   Security grills,   Screens,  Construction

 Bearing Steel  Aerospace,   Navigation,   Nuclear energy,   Chemical industry

 Electronic information,   Petrochemical,   Instrument and meter

 Transportation 

 Cr-Mo Steel  Mechanism & Fasteners gear,    Stressed components for vehicles 

 Engines and machines,    Parts of larger cross-section

 

Gear Steel

All kinds of gears,   Statically and dynamically stressed component for vehicles

Engines and machine,   Larger cross-section parts,   Crankshafts 


Work Shop 

 ASTM A105 Carbon Steel Round Bars


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.

 


FAQ

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.


Packaging & Delivery

1, Packaging: seaworthy package or as required 

2, Delivery: 35-45 days or based on quantity


Q:How do you prevent warping during welding of steel round bars?
To prevent warping when welding steel round bars, there are several precautions that can be taken: 1. Ensure proper fit-up: Before welding, make sure the round bars are correctly aligned and fitted together. Any gaps or misalignments can cause uneven heating and cooling, increasing the likelihood of warping. 2. Divide welding into smaller sections: Instead of continuously welding along the entire length of the round bar, break it down into multiple smaller sections. This will help distribute heat more evenly and decrease the risk of warping. 3. Use low heat input techniques: Employ welding techniques like pulse welding or tack welding that minimize heat input. These methods allow for controlled and intermittent heating, reducing the chances of warping. 4. Consider preheating: Preheating the round bars before welding can also prevent warping, especially with thicker bars or when welding dissimilar metals. Preheating helps minimize the temperature difference between the weld and the surrounding material, reducing the risk of warping. 5. Monitor and control heat input: Keep a close eye on the heat input during welding. Excessive heat can cause rapid expansion and contraction, leading to warping. Use appropriate welding parameters, such as lower amperage and shorter welding times, to control the heat input. 6. Utilize welding fixtures: Use welding fixtures or jigs to securely hold the round bars in place during welding. This helps maintain proper alignment and prevents movement, reducing the chance of warping. 7. Allow for natural cooling: After welding, let the round bars cool down slowly and naturally. Avoid rapid cooling methods like quenching, as they can induce stress and increase the risk of warping. By implementing these measures, the likelihood of warping when welding steel round bars can be significantly reduced, resulting in higher quality and more dependable welded joints.
Q:Are steel round bars suitable for agricultural applications?
Steel round bars are indeed appropriate for agricultural applications. Due to its robustness and endurance, steel proves to be a resilient material capable of enduring the challenging conditions frequently encountered in agricultural settings. The utilization of steel round bars in agriculture encompasses a multitude of purposes, including the construction of fences, gates, and animal enclosures. Moreover, they are frequently employed in the creation of structures like barns and storage sheds. Furthermore, steel round bars can serve as dependable support beams or posts for agricultural machinery and equipment. The reliability and adaptability of steel render it an excellent choice for agricultural applications.
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:How do steel round bars perform under bending or flexing forces?
Steel round bars are highly resistant to bending or flexing forces due to their strong and rigid nature. They can withstand significant loads without deforming or breaking, making them ideal for applications that require structural integrity and durability.
Q:What are the environmental benefits of using steel round bars?
There are several environmental benefits of using steel round bars: 1. Recyclability: Steel is one of the most recycled materials in the world. Using steel round bars reduces the demand for new steel production and saves energy and resources. Additionally, recycling steel reduces the amount of waste sent to landfills, helping to reduce environmental pollution. 2. Durability: Steel round bars are highly durable and have a long lifespan. This means that they do not need to be replaced frequently, reducing the overall consumption of materials. The durability of steel also reduces the need for maintenance and repairs, further reducing environmental impact. 3. Energy efficiency: Producing steel round bars requires less energy compared to other construction materials like concrete or wood. The energy savings are significant throughout the entire life cycle of the product, including extraction, manufacturing, transportation, and installation. 4. Reduced carbon emissions: Steel production emits less carbon dioxide (CO2) compared to other materials. By using steel round bars, we can help reduce greenhouse gas emissions and combat climate change. Furthermore, steel can be produced using alternative energy sources, such as renewable energy, further reducing carbon emissions. 5. Versatility and weight reduction: Steel round bars are versatile and can be used in various construction applications. Their high strength-to-weight ratio allows for the creation of lightweight structures, reducing the amount of material needed. This not only lowers the environmental impact but also decreases transportation costs and fuel consumption during delivery. 6. Fire-resistant properties: Steel round bars are highly resistant to fire, which can help prevent the spread of flames and reduce damage to structures. This property reduces the need for fire retardant chemicals that may have negative environmental impacts. In conclusion, using steel round bars offers numerous environmental benefits, including recyclability, durability, energy efficiency, reduced carbon emissions, weight reduction, and fire resistance. By opting for steel round bars, we can contribute to a more sustainable and eco-friendly construction industry.
Q:The difference between round steel and screw steel
Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of which: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts, and more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets
Q:What are the different packaging options for steel round bars?
There are several packaging options available for steel round bars, depending on the specific needs and requirements of the customer. Some of the common packaging options include: 1. Bundles: Steel round bars are often bundled together using steel straps or wire to create a compact and secure package. Bundles can vary in size, with common options being 2, 3, 4, or 5 tons. This packaging option is suitable for transportation and storage purposes. 2. Wooden Crates: For added protection during transportation, steel round bars can be packed in wooden crates. These crates are designed to withstand the weight and size of the bars, ensuring safe delivery to the customer. 3. Steel Cages: In some cases, steel round bars are packaged in steel cages or racks to provide additional stability and security during transportation. These cages are typically made of sturdy steel and are stackable, making them suitable for storage purposes as well. 4. Plastic Wrapping: To protect the steel round bars from moisture, dust, and other contaminants, they can be wrapped in plastic or shrink wrap. This packaging option is commonly used when the bars are stored or transported in open-air environments. 5. Customized Packaging: Depending on the customer's specific requirements, steel round bars can be packaged in custom-designed containers or crates. These can be tailored to accommodate different sizes, weights, and quantities of bars, ensuring maximum convenience and safety during handling and transportation. It is important to note that the choice of packaging option may vary depending on factors such as the destination, mode of transportation, and specific industry standards. Therefore, it is advisable for customers to consult with their suppliers or packaging experts to determine the most suitable packaging option for their steel round bars.
Q:Can steel round bars be used for making staircases?
Yes, steel round bars can be used for making staircases. Steel round bars are commonly used in the construction industry for various applications, including staircase fabrication. They are strong, durable, and provide excellent structural support, making them an ideal choice for staircases. Steel round bars can be used to create the framework and structure of the staircase, providing stability and safety. Additionally, steel round bars can be easily shaped and welded to create different designs and styles for the staircase, allowing for customization and flexibility in the construction process. Overall, steel round bars are a reliable and popular choice for making staircases due to their strength, durability, and versatility.
Q:Can steel round bars be used in the production of sporting goods?
Yes, steel round bars can be used in the production of sporting goods. Steel is a versatile material known for its strength and durability, making it suitable for various applications in the sporting goods industry. Steel round bars can be used to create components such as shafts, handles, frames, and supports in sporting equipment like golf clubs, hockey sticks, weightlifting bars, and exercise equipment. The high tensile strength of steel ensures that these components can withstand the forces and pressures exerted during sports activities, providing stability and longevity to the products. Moreover, steel round bars can be easily machined, welded, and molded into different shapes and sizes according to the specific requirements of each sporting good. Steel's corrosion resistance properties also make it ideal for outdoor sporting equipment that is exposed to various weather conditions. Overall, steel round bars are a popular choice in the production of sporting goods due to their strength, durability, versatility, and ability to withstand the demands of different sports.
Q:What are the common sizes of steel round bars?
The common sizes of steel round bars vary depending on the specific application and industry standards. However, some of the most common sizes range from 1/4 inch to 24 inches in diameter. These sizes are often available in increments of 1/8 inch or 1/4 inch. It is important to note that these sizes may differ based on the country or region as well. Additionally, steel round bars can also be available in metric sizes, which typically range from 6mm to 600mm in diameter. Overall, the selection of steel round bar sizes is extensive, allowing for a wide range of applications across various industries.

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