Steel Round Bar Reliable Manufacturer with from China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
5. Packing: In Bundle or according to your requirements.
Festures of steel round bar:
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
1. Standards: AISI 4340 8620 8640 4320 , JIS SNCM8 GB:40CrNiMoA
2. Specification: Dia: 80~450mm Length:2000-13000mm or as required
3. Process: EAF+LF+VD ( necessary) UT+ Peeled +Turned + Heat Treatment (optional)
4. Chemical Composition (%):
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.37-0.44 | 0.17-0.37 | 0.40-0.80 | 0.025(max) | 0.025(max) | 0.60-0.90 | 1.25-1.65 | 0.025(max) | 0.15-0.25 |
Images of steel round bar:
FAQ:
1. What is your package?
Packing situation: standard seaworthy packing or as customer required.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
- Q:How do you prevent warping of steel round bars during machining?
- To prevent warping of steel round bars during machining, there are several measures that can be taken: 1. Proper Material Selection: Choosing the right type of steel with appropriate mechanical properties is crucial. Steel with lower carbon content and controlled alloying elements can help reduce the risk of warping during machining. 2. Pre-Machining Stress Relief: Steel round bars often have internal stresses that can lead to warping during machining. Conducting a stress relief process like annealing or normalizing before machining can help eliminate these internal stresses and minimize warping. 3. Controlled Machining Process: Employing proper machining techniques is vital to prevent warping. This includes using a rigid and stable machine setup, ensuring proper tool geometry and sharpness, and maintaining appropriate cutting speeds and feeds. Continuous monitoring of cutting forces and temperatures can also help in detecting any abnormal conditions that may contribute to warping. 4. Minimizing Heat Build-Up: Excessive heat generated during machining can cause localized expansion and lead to warping. To prevent this, coolant or lubricant should be used to dissipate heat and reduce friction between the tool and the workpiece. Adequate cooling can help maintain a stable temperature and prevent warping. 5. Proper Fixturing: When machining long steel round bars, using suitable fixtures or supports can help prevent excessive deflection or bending. This ensures that the bar remains straight and stable during machining, reducing the chances of warping. 6. Post-Machining Stress Relief: After machining, stress can still be present in the steel round bars. Performing a post-machining stress relief process, such as tempering or normalization, can help further relieve any residual stresses and minimize the risk of warping. By implementing these measures, the risk of warping during machining of steel round bars can be significantly reduced, leading to improved dimensional accuracy and overall quality of the machined parts.
- Q:What are the advantages of using nickel-zinc alloy steel round bars?
- There are several advantages to using nickel-zinc alloy steel round bars. Firstly, they offer excellent corrosion resistance, making them ideal for applications in harsh environments or where exposure to moisture is a concern. Secondly, these round bars exhibit high strength and toughness, making them suitable for heavy-duty applications that require a reliable and durable material. Additionally, nickel-zinc alloy steel round bars have good heat resistance, allowing them to withstand elevated temperatures without significant deformation or loss of mechanical properties. Overall, these advantages make nickel-zinc alloy steel round bars a versatile and reliable choice for various industrial and construction applications.
- Q:How do you prevent rusting of steel round bars?
- To prevent rusting of steel round bars, it is essential to apply protective coatings such as paint, epoxy, or galvanization. Regularly cleaning the bars and keeping them dry, particularly in humid environments, can also help prevent rust formation. Additionally, storing the bars in a controlled indoor environment or using moisture-absorbing materials like silica gel packets can further prevent rusting.
- Q:Can steel round bars be coated for added protection?
- Steel round bars can indeed be coated to provide additional protection. Coating these bars is effective in boosting their resistance to corrosion, wear and tear, as well as other environmental factors that may cause deterioration or damage. There are multiple coating options available for steel round bars, including hot-dip galvanizing, epoxy coating, powder coating, and zinc plating. These coatings create a protective layer that acts as a barrier between the steel and its surroundings, thus preventing direct contact with corrosive substances or abrasive elements. By coating steel round bars, not only does their lifespan and durability increase, but their aesthetic appearance also improves. The choice of coating depends on the specific application, environment, and desired level of protection.
- Q:Are steel round bars prone to deformation?
- When steel round bars are manufactured and used correctly, they usually do not deform. Steel is recognized for its strong tensile strength and durability, which means it can resist bending or warping in normal situations. However, it is essential to remember that excessive force or mishandling can still lead to deformation in steel round bars. Overloading, improper storage, or using inappropriate machining techniques can all contribute to the bars bending or twisting. Hence, it is vital to adhere to recommended guidelines and industry standards to guarantee the durability and longevity of steel round bars.
- Q:How can steel round bars be protected against rust?
- Steel round bars can be protected against rust through various methods. One common way is by applying a protective coating, such as paint or a rust-resistant primer. This coating acts as a barrier between the steel and the surrounding environment, preventing moisture and oxygen from coming into contact with the metal surface. Another effective method is to galvanize the steel round bars. Galvanization involves immersing the steel in a bath of molten zinc, which forms a protective layer on the surface. This zinc coating acts as a sacrificial barrier, meaning that even if it gets scratched or damaged, it will still protect the underlying steel. Regular maintenance is crucial in preventing rust on steel round bars. This includes keeping the bars clean and dry, as moisture is a major catalyst for rust formation. Regularly inspecting the bars for any signs of rust or damage and promptly addressing them is also important in preventing further corrosion. Furthermore, storing the steel round bars in a dry and well-ventilated area can help reduce the chances of rusting. If possible, keeping the bars elevated off the ground or using a moisture-absorbing material, such as silica gel packets, can further protect against moisture buildup. Lastly, utilizing corrosion inhibitors or rust-preventative oils can provide an additional layer of protection for steel round bars. These substances create a thin film on the surface that inhibits the formation of rust. By employing these methods, steel round bars can be effectively protected against rust, ensuring their longevity and maintaining their structural integrity.
- Q:Are steel round bars corrosion resistant?
- Yes, steel round bars can be corrosion resistant depending on the specific type of steel used and the conditions they are exposed to. Some types of steel, such as stainless steel, contain alloying elements like chromium which create a protective layer that helps prevent corrosion. However, not all steel round bars are inherently corrosion resistant and may require additional coatings or treatments to enhance their resistance to corrosion.
- Q:1, three, two, steel, wire rod, round steel what is the difference?
- Steel is commonly known as hot rolled ribbed bar, belonging to the small steel steel, mainly used for steel reinforced concrete structure frame. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
- Q:What is the difference between a peeled and a centerless ground steel round bar?
- A peeled steel round bar has its outer surface removed, leaving a smooth and clean finish. On the other hand, a centerless ground steel round bar has its diameter reduced and its surface polished, resulting in a precise and even size with a polished appearance.
- Q:Can steel round bars be bent or formed into shapes?
- Yes, steel round bars can be bent or formed into shapes. Steel is a highly versatile material with excellent strength and durability, making it suitable for various applications. To bend or form steel round bars, various techniques such as heating, hammering, or using specialized machinery like hydraulic presses or roll benders can be employed. These methods allow the steel bars to be shaped into curves, angles, or specific forms to meet the desired requirements. However, it is important to note that the extent to which a steel round bar can be bent or formed depends on factors such as the diameter, type of steel, and the specific bending/forming technique used.
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Steel Round Bar Reliable Manufacturer with from China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 2000000 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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