• Hot Rolled Steel Round Bars for Making Parts System 1
  • Hot Rolled Steel Round Bars for Making Parts System 2
  • Hot Rolled Steel Round Bars for Making Parts System 3
Hot Rolled Steel Round Bars for Making Parts

Hot Rolled Steel Round Bars for Making Parts

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
50 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Hot Rolled Steel Round Bars for Making Parts is used for manufacturing ball, roller bearing steel and rings. Bearing in work is under great pressure and friction, so have high demands bearing steel and hardness and resistance, and high elastic limit.

Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.

For example, bearing ring, steel rolling mill, machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags electronically.

 

Product Applications:

Hot Rolled Steel Round Bars for Making Parts are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

1. Steel round bar products is used in construction and a large number of architectural and engineering structures. And it can be used in production of handrail, windows, machinery, telecom and curtain wall.

2. It can be used in the fields like metal mines, cement plants, water coal slurry, power stations and chemical industry.

3. Besides, we can supply some especial material steel round bar that can be used for main shaft of steamer, hummer shank, with big section and supper force.

4. Recommended watchcase factory, screw factory and other cold stamping products industry use.

 

Product Advantages:

OKorder's Hot Rolled Steel Round Bars for Making Parts are durable, strong, and resist corrosion.

1. The steel in which the main interstitial alloying constituent is carbon in the range of 0.12–2.0%.

2. As the carbon percentage content rises, steel has the ability to become harder and stronger through heat treating; however it becomes less ductile.

3. Regardless of the heat treatment, higher carbon content reduces weld ability. In carbon steels, the higher carbon content lowers the melting point.

4. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Specifications of Hot Rolled Steel Round Bars for Making Parts

1. Grade: Q235, A36, SS400, S235JR

2. Feature: Unbreakable, grinding resistant and high impact value

3. Diameter: 8mm-150mm

4. Performance: Mainly for civil construction

5. Characteristics: Even hardness, no deformation, no breaking, no mal-roundness

6. Technique: Hot rolled

7. Mass: Mass (kg/m) = Diameter (mm) × Diameter (mm) × 0.00617

Packaging & Delivery of Mild Hot Rolled Steel Round Bars for  Bults and Nults

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.

Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs. 

 

Production Flow of Hot Rolled Steel Round Bars for Making Parts

Material prepare (billet) — heat up — rough rolling — precision rolling — cooling  — packing — storage and transportation

 

FAQ:

Q1: The products are invoicing on theoritical weight or on actual weight? 

A1: We can do it in both manners, according to the customers' request.

Q2: What is the normal tolerance of Hot Rolled Steel Round Bars for Making Parts?

A2: Normally 3%-5%, but we can also produce the goods according to the customers' requests. 

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Hot Rolled Steel Round Bars for Making Parts

Q: What is the impact strength of a steel round bar?
The impact strength of a steel round bar refers to its ability to withstand sudden applied forces or shock loads without fracturing or breaking. It is usually measured in terms of energy absorbed during impact testing, such as the Charpy or Izod test. The exact impact strength can vary depending on the specific grade and heat treatment of the steel, but steel round bars are generally known for their high impact strength, making them suitable for applications requiring resistance to sudden impacts or dynamic loads.
Q: Can steel round bars be coated or painted?
Yes, steel round bars can be coated or painted. Coating or painting steel round bars can provide protection against corrosion, enhance aesthetics, and improve durability.
Q: Can steel round bars be forged?
Yes, steel round bars can be forged.
Q: What is the maximum sulfur content allowed for steel round bars?
The maximum sulfur content allowed for steel round bars can vary depending on the specific grade and specification. In general, the sulfur content in steel is controlled to ensure good machinability and overall quality of the material. For most commercial grades of steel round bars, the maximum sulfur content is typically limited to around 0.05% to 0.08%. However, it is important to note that certain specialized grades or applications may have different limits or requirements. It is always advisable to consult the relevant standards or specifications for the specific grade of steel round bars to determine the maximum sulfur content allowed.
Q: What are the different surface defects that can be found in steel round bars?
There are several surface defects that can be found in steel round bars. These defects can vary in severity and can have an impact on the overall quality and performance of the steel. Some common surface defects include: 1. Scale: Scale refers to the thin, flaky layer of iron oxide that forms on the surface of steel during the manufacturing process. It can appear as a rough, scaly texture and may cause issues with adhesion or coating application. 2. Pitting: Pitting is the formation of small holes or depressions on the surface of the steel. It can be caused by corrosion, contamination, or uneven heating during the manufacturing process. Pitting can weaken the structural integrity of the steel and increase the likelihood of failure. 3. Scratches: Scratches are superficial marks or cuts on the surface of the steel. They can occur during handling, transportation, or processing. While small scratches may not significantly affect the performance of the steel, deep or extensive scratches can create stress concentrations and reduce the strength of the material. 4. Cracks: Cracks are linear fractures that can occur on the surface of the steel. They can be caused by excessive cooling, improper heat treatment, or mechanical stress. Cracks can propagate and lead to catastrophic failure if not detected and addressed. 5. Decarburization: Decarburization is the loss of carbon content on the surface of the steel due to exposure to high temperatures or improper heat treatment. It can result in a softer and weaker surface layer, reducing the material's strength and hardness. 6. Laminations: Laminations are layers or separations within the steel round bar that can occur due to improper rolling or manufacturing processes. These can weaken the material and reduce its load-bearing capacity. 7. Inclusions: Inclusions are non-metallic impurities or foreign substances that are trapped within the steel during the manufacturing process. They can include oxides, sulfides, or other debris. Inclusions can act as stress concentrators and reduce the material's resistance to cracking and deformation. Detecting and addressing these surface defects is crucial to ensure the quality and reliability of steel round bars. Various inspection techniques such as visual examination, ultrasonic testing, magnetic particle testing, or dye penetrant testing can be employed to identify and assess the severity of these defects.
Q: Can steel round bars be used in the manufacturing of heat exchangers?
Yes, steel round bars can be used in the manufacturing of heat exchangers. Steel round bars are commonly used as a material for heat exchanger tubes due to their high strength, durability, and excellent heat transfer properties. The bars can be formed and welded into various shapes and sizes, making them suitable for constructing the heat exchanger tubes.
Q: Can steel round bars be used for making jewelry?
Yes, steel round bars can be used for making jewelry. While steel is not as commonly used for jewelry making as precious metals like gold or silver, it can still be a viable option for certain types of jewelry. Steel round bars are often used in industrial or modern jewelry designs, as they provide a sleek and contemporary look. Additionally, steel is highly durable, resistant to tarnish, and more affordable compared to other metals, making it suitable for those looking for a more budget-friendly option. However, it is important to note that steel can be heavier than other metals, so it may not be suitable for delicate or intricate jewelry designs. Furthermore, steel may cause skin reactions in individuals with metal allergies, so it is advisable to take precautions and ensure the steel used is hypoallergenic or coated with a protective layer. Ultimately, the choice to use steel round bars for making jewelry depends on the desired style, durability, and budget of the individual creating or purchasing the jewelry.
Q: Can steel round bars be used in the production of agricultural equipment?
Yes, steel round bars can be used in the production of agricultural equipment. Steel is a commonly used material in the manufacturing industry due to its strength, durability, and versatility. Agricultural equipment such as plows, harrows, cultivators, and sprayers often require strong and sturdy components to withstand the harsh conditions of farming. Steel round bars can be used to create various parts of these machines, including axles, shafts, handles, and structural supports. The high tensile strength of steel ensures that the equipment can withstand the heavy loads and repetitive use that is typically required in agriculture. Additionally, steel can be easily welded, machined, and formed into different shapes and sizes, making it suitable for a wide range of agricultural equipment applications. Overall, steel round bars are a reliable and cost-effective choice for the production of agricultural equipment.
Q: What is the tensile strength of a steel round bar?
The tensile strength of a steel round bar can vary depending on the specific grade and manufacturing process. However, in general, steel round bars have a high tensile strength, typically ranging from 400 to 700 megapascals (MPa).
Q: Can steel round bars be used in the shipbuilding industry?
Yes, steel round bars can be used in the shipbuilding industry. Steel round bars are commonly used in shipbuilding for various applications such as constructing hulls, decks, bulkheads, and other structural components. They offer excellent strength, durability, and corrosion resistance, making them ideal for withstanding the harsh marine environment. Steel round bars can be easily welded, machined, and formed into desired shapes, providing flexibility in ship construction. Additionally, their availability in various sizes and grades allows for customization to meet specific shipbuilding requirements. Overall, steel round bars are essential materials in the shipbuilding industry due to their robustness and reliability.

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