Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045

Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045 System 1

Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045 at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045 are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

1. Chinese standard steel bar is often used where large amounts of steel need to be formed, for example as structural steel.

2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.

3. Steel round bar is used in construction and a large number of architectural and engineering structures.

Product Advantages:

OKorder's Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045 are durable, strong, and resist corrosion.

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 Mild Round Steel Bar Q235, SAE1020,SAE1045

1. Grade: Q195, Q235, Q345

2. Diameter: 6mm-150mm

3. Length: 6m, 9m, 12m or as customer’s request

4. Tolerance: Within ±5% for weight; ±2mm for diameter

5. Note: The price can be better is the quantity is good

6. Chemical composition

Alloy No	Element (%)
Alloy No	C	Mn	S	P	Si
Q195	0.06-0.12	0.25	≤0.05	≤0.045	≤0.3
Q235	0.12—0.20	0.3—0.7	≤0.045	≤0.045	≤0.3
Q345	≤0.2	1.00-1.60	≤0.045	≤0.045	≤0.55

Packaging & Delivery of Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045

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: Theprice 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 Mild Round Steel Bar Q235, SAE1020,SAE1045

1. The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process.

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

Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045

FAQ:

Q1: Can fit in the containers of 20fts Hot Rolled Mild Round Steel Bar Q235, SAE1020,SAE1045 of 6M?

A1: No proble, we can put them into the containers in the form sideling.

Q2: How soon can we receive the product after purchase?

A2: 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.

Q3: How do we guarantee the quality of our products?

A3: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q: How do steel round bars compare to ceramic round bars?: Steel round bars and ceramic round bars have distinct differences in terms of their properties and applications. Steel round bars are known for their exceptional strength and durability. They are made from alloys of iron and carbon, with additional elements such as manganese, chromium, and nickel. Steel bars are highly resistant to deformation, can withstand high temperatures, and have high tensile strength. Due to these properties, steel round bars are commonly used in construction, manufacturing, and engineering applications where strength and reliability are crucial. They are also easily machinable and can be shaped into various forms, making them versatile for different uses. On the other hand, ceramic round bars are made from non-metallic materials, such as clay, porcelain, or glass. Ceramics offer unique properties such as high resistance to heat, corrosion, and wear. They are also chemically inert and have excellent electrical insulation properties. Ceramic round bars are commonly used in applications where high temperatures, chemical resistance, or electrical insulation are required, such as in the aerospace industry or for manufacturing electronic components. When comparing steel round bars to ceramic round bars, it is important to consider the specific requirements of the application. Steel round bars are preferred for their exceptional strength and toughness, making them suitable for heavy-duty applications where mechanical stress and load-bearing capabilities are crucial. Ceramic round bars, on the other hand, are often chosen for their resistance to heat, chemicals, and electrical insulation properties, which are important in specialized industries. In summary, steel round bars and ceramic round bars have different properties and are suitable for different applications. Steel round bars are known for their strength and durability, making them suitable for heavy-duty applications, while ceramic round bars excel in high-temperature, chemical-resistant, and electrically insulating applications.

Q: Can steel round bars be used for making drill bits?: No, steel round bars cannot be directly used for making drill bits. Drill bits require specific materials and manufacturing processes to ensure the necessary hardness, sharpness, and durability.

Q: Are steel round bars suitable for machining applications?: Yes, steel round bars are commonly used in machining applications due to their high strength, durability, and machinability. They can be easily shaped, cut, drilled, and turned into various components, making them suitable for applications in industries such as automotive, aerospace, construction, and manufacturing.

Q: What are the different types of steel round bars used in the automotive suspension systems?: There are several types of steel round bars used in automotive suspension systems, including solid round bars, hollow round bars, and torsion bars. Solid round bars are commonly used to provide stability and support to the suspension system. Hollow round bars, on the other hand, are used to reduce weight without compromising strength. Torsion bars are another type of steel round bars that are used to provide resistance to twisting forces in the suspension system.

Q: What is the difference between 40Cr round steel and 40Cr steel forgings?: The casting process constructed a fine grain structure and improved the physical properties of the metal. The utility model has the advantages of high strength and good plasticity, and is suitable for making important parts with large force and high requirement.The properties of forgings are superior to those of ordinary ones.

Q: What is the toughness of a steel round bar?: The ability of a steel round bar to resist fracture or deformation under stress is referred to as its toughness. It gauges the steel's capacity to absorb energy and endure impact without breaking. Several factors, including the steel's composition, microstructure, and any heat treatment it has undergone, determine the toughness of a steel round bar. Typically, high-strength and alloy steels have higher toughness due to their improved mechanical properties. Moreover, impurities, grain size, and the presence of defects or cracks within the material can also influence its toughness. To evaluate the toughness of a steel round bar, tests like the Charpy impact test or the Izod test are commonly conducted to measure the energy absorbed by the material before fracture occurs. Ultimately, when choosing a material for applications that require high impact resistance, such as in the construction, automotive, or aerospace industries, considering the toughness of a steel round bar is crucial.

Q: Are steel round bars resistant to UV radiation?: No, steel round bars are not inherently resistant to UV radiation.

Q: What are the different types of steel used in manufacturing round bars?: Round bars in manufacturing can be made from various types of steel. The most commonly used types include: 1. Carbon Steel: This is the go-to steel for manufacturing round bars due to its strength and durability. It mainly consists of iron and carbon and finds application in construction, automotive, and machinery. 2. Alloy Steel: By adding elements like manganese, nickel, chromium, and molybdenum to carbon steel, alloy steel is formed. This enhances its strength and hardness, making it suitable for applications that demand high strength and resistance to wear and tear. 3. Stainless Steel: A type of alloy steel, stainless steel contains a minimum of 10.5% chromium. This high chromium content gives it excellent corrosion resistance, making it ideal for applications exposed to moisture or chemicals. Stainless steel round bars are commonly used in kitchen utensils, medical equipment, and automotive parts manufacturing. 4. Tool Steel: Tool steel is an alloy steel designed specifically for high hardness, wear resistance, and heat resistance. It is commonly used in manufacturing cutting tools, dies, and molds. Tool steel round bars are usually made from high-carbon steel with additional elements like tungsten, vanadium, or cobalt. 5. Bearing Steel: Bearing steel is an alloy steel specifically formulated for bearing applications. It is characterized by its high hardness, wear resistance, and fatigue strength. Bearing steel round bars are widely used in bearing manufacturing for industries like automotive, aerospace, and industrial machinery. These examples demonstrate the range of steel types available for manufacturing round bars. The specific choice of steel depends on the desired properties and requirements of the application at hand.

Q: What is the difference between a polished and a precision ground steel round bar?: A polished steel round bar is a bar that has been polished to achieve a smooth and shiny surface. This involves using abrasive materials to eliminate any flaws or roughness. As a result, the bar is visually appealing and has a high level of aesthetic appeal. On the other hand, a precision ground steel round bar is a bar that has been ground precisely to achieve accurate dimensions and a smooth surface. This grinding process involves removing material from the bar's surface using grinding wheels or other cutting tools. The aim of precision grinding is to ensure that the bar meets specific size and shape requirements, making it suitable for applications that require precise dimensions and tight tolerances. In conclusion, the main difference between a polished and a precision ground steel round bar lies in the purpose of the respective finishing processes. Polishing is primarily done for aesthetic reasons, enhancing the bar's appearance, while precision grinding focuses on achieving precise dimensions and tight tolerances to meet specific technical requirements.