GB1499.2 TOP A36 Steel Round Bars Free Cutting from China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 44 m.t.
- Supply Capability:
- 2000000 m.t./month
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Specification
Standard:
JIS
Technique:
Hot Rolled
Shape:
Rectangular
Surface Treatment:
Chromed Passivation
Steel Grade:
HRB400
Certification:
SGS
Thickness:
88
Width:
99
Length:
66
Net Weight:
88
Description of steel round bar:
Cold Drawn Round Bar
1.Diameter:4mm-120mm
2. Lengh:According to customers' requirements
Festures of steel round bar:
4340 Forged Round Steel 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. 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 are steel round bars stored and transported?
- Steel round bars are typically stored in warehouses or storage facilities. They are often stacked horizontally on racks or placed in designated storage areas. To prevent damage and ensure easy accessibility, bars of different sizes or grades are segregated and labeled accordingly. When it comes to transportation, steel round bars are commonly loaded onto flatbed trucks or shipping containers, depending on the quantity and distance of the shipment. To prevent movement and potential damage during transit, bars are secured using straps or other fastening methods. Additionally, protective coatings or wrapping materials may be applied to safeguard against corrosion or moisture. Overall, proper storage and transportation practices are crucial to maintain the quality and integrity of steel round bars.
- Q: Can steel bars be replaced by large screws in the concrete floor?
- In theory, how big a round steel will have to replace the large thread steel, and if it is cast, then still better to use thread steel, screw steel tensile resistance than round steel by strong
- Q: What are the advantages of using zinc-alloy steel round bars?
- One of the advantages of using zinc-alloy steel round bars is their high corrosion resistance. The zinc coating acts as a protective barrier, preventing rust and corrosion, which makes these bars suitable for outdoor applications and environments with high humidity. Additionally, zinc-alloy steel round bars have excellent strength and durability, making them ideal for structural and load-bearing purposes. Furthermore, the zinc coating provides enhanced aesthetics, offering a polished and visually appealing finish. Overall, the advantages of using zinc-alloy steel round bars include corrosion resistance, strength, durability, and improved appearance.
- Q: Can steel round bars be used for making transmission towers?
- Certainly, transmission towers can be constructed using steel round bars. The construction industry frequently utilizes steel round bars owing to their robustness, longevity, and adaptability. Transmission towers necessitate materials capable of enduring harsh weather conditions, accommodating hefty loads, and ensuring structural steadiness. Steel round bars effectively fulfill these criteria, rendering them a fitting option for erecting transmission towers. Moreover, steel round bars can be effortlessly fabricated and welded, permitting the swift and efficient construction and installation of transmission towers.
- Q: Can steel round bars be used for making tools?
- Steel round bars are a great choice for making tools. They are widely used in tool making because they are strong, durable, and versatile. The strength of steel allows it to withstand heavy use and provides stability to tools. Additionally, steel round bars can be easily machined and shaped into different tool designs, making it possible to create a variety of tools such as wrenches, chisels, punches, and hammers. Furthermore, steel's resistance to corrosion ensures that tools made from steel round bars will last longer. In conclusion, steel round bars are a popular option in tool making because they have excellent mechanical properties and can be used for many different purposes.
- Q: What are the advantages of using nickel-silicon alloy steel round bars?
- There are several advantages of using nickel-silicon alloy steel round bars. Firstly, nickel-silicon alloy steel has excellent high-temperature strength and resistance to oxidation and corrosion. This makes it a suitable material for applications that involve exposure to extreme temperatures or harsh environments, such as in the aerospace and automotive industries. Secondly, nickel-silicon alloy steel round bars offer superior mechanical properties, including high tensile and yield strength. This makes them ideal for use in structural components that require high strength and durability, such as in construction and engineering projects. Additionally, nickel-silicon alloy steel round bars have excellent resistance to fatigue and wear, making them suitable for applications that involve repetitive stress or abrasive conditions. This ensures a longer lifespan and reduced maintenance requirements for the components made from this material. Furthermore, nickel-silicon alloy steel is known for its excellent magnetic properties, making it suitable for use in electromagnetic applications such as transformers, motors, and generators. Lastly, nickel-silicon alloy steel round bars can be easily machined and fabricated, allowing for greater design flexibility and ease of manufacturing. This makes it an economical choice for various industries, as it reduces production costs and lead times. In summary, the advantages of using nickel-silicon alloy steel round bars include high temperature resistance, excellent mechanical properties, resistance to fatigue and wear, superior magnetic properties, and ease of machining and fabrication.
- Q: What are the different testing methods used for steel round bars?
- There are several testing methods used for steel round bars to ensure their quality and suitability for various applications. These methods include: 1. Visual Inspection: This is the initial step of testing, where the bars are visually examined for any visible defects, such as cracks, surface irregularities, or improper dimensions. 2. Dimensional checks: Steel round bars undergo dimensional checks to verify their diameter, length, and straightness. Precise measurements are essential to meet the specified requirements. 3. Ultrasonic Testing: Ultrasonic waves are passed through the round bars to detect internal defects, such as cracks, voids, or inclusions. This method helps identify potential weaknesses that may affect the structural integrity of the bars. 4. Magnetic Particle Inspection: This method uses a magnetic field and magnetic particles to detect surface and near-surface defects like cracks, seams, or laps. It is particularly useful in ferromagnetic materials such as steel. 5. Dye Penetrant Inspection: This technique involves applying a colored dye to the surface of the round bars and then wiping it off. The dye penetrates into any surface cracks or defects, making them visible under ultraviolet light. 6. Hardness Testing: This test measures the hardness of the steel round bars using methods like Rockwell or Brinell scales. It helps determine the material's ability to withstand external forces and ensures it meets the required hardness specifications. 7. Tensile Testing: Tensile strength testing is conducted to measure the maximum load a steel round bar can bear before it breaks. This test helps evaluate the material's strength and ductility. 8. Chemical Analysis: Chemical analysis is performed to determine the composition of the steel round bars, including the presence of elements like carbon, manganese, sulfur, phosphorus, and others. It ensures that the steel meets the required chemical composition standards. These testing methods are crucial in ensuring the quality, reliability, and compliance of steel round bars with industry standards and customer requirements. It is essential to perform a combination of these tests to ensure the overall quality and performance of the steel round bars in different applications.
- Q: Can steel round bars be used for making automotive suspension systems?
- Yes, steel round bars can be used for making automotive suspension systems. Steel round bars are commonly used in the manufacturing of suspension components such as control arms, sway bars, and torsion bars due to their high strength, durability, and ability to withstand heavy loads and vibrations.
- Q: What is the difference between a cold finished and a turned steel round bar?
- Cold finished steel round bars and turned steel round bars are utilized in various industries for different purposes. The manufacturing process and resulting properties distinguish these two types of steel bars. For a cold finished steel round bar, the production involves cold drawing or cold rolling a hot rolled steel bar. This entails passing the hot rolled bar through a series of dies at room temperature, which decreases its diameter and increases its length. Through the cold drawing process, the steel acquires specific mechanical properties, including enhanced surface finish, dimensional accuracy, and increased strength. Cold finished steel bars possess a sleek, glossy surface and are renowned for their precise tolerances and consistent size and shape. They find common usage in applications requiring precision and high-quality surface finish, such as the automotive, aerospace, and machining industries. Conversely, a turned steel round bar is created by machining a hot rolled or cold finished bar on a lathe. The bar is secured and rotated while a cutting tool eliminates material from its outer surface, resulting in the desired shape and dimensions. This turning process yields a bar with a rougher surface compared to a cold finished bar. However, it enables faster production and versatility in creating diverse shapes and sizes. Turned steel bars are frequently employed in applications where the surface finish is not crucial but machining operations are necessary, such as in the construction, engineering, and manufacturing industries. In conclusion, the distinction between a cold finished and a turned steel round bar lies in the manufacturing process and the resulting properties. Cold finished bars are produced through cold drawing or cold rolling, leading to improved dimensional accuracy, surface finish, and strength. Turned bars are machined on a lathe, providing flexibility in shape and size but with a rougher surface finish. The choice between the two depends on the specific requirements of the application, including tolerance, surface finish, strength, and machinability.
- Q: Can steel round bars be cut to custom lengths?
- Indeed, it is possible to cut steel round bars to tailor-made lengths. These bars made of steel are adaptable and can be effortlessly cut using different techniques like sawing, shearing, or torch cutting. These approaches enable accurate adjustments to be made to meet specific demands or project necessities. Moreover, steel round bars are often obtainable in standard lengths, but they can be conveniently shortened or elongated by welding separate pieces together. All in all, steel round bars provide versatility in terms of length customization, rendering them suitable for a diverse array of applications.
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GB1499.2 TOP A36 Steel Round Bars Free Cutting from China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 44 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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