Hot Rolled Steel Round Bar GB, ASTM, JIS Standard WIth High Quality

Hot Rolled Steel Round Bar GB, ASTM, JIS Standard WIth High Quality System 1

Hot Rolled Steel Round Bar GB, ASTM, JIS Standard WIth High Quality

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

1. Grade: Q195, Q235, A36, SS400, Q345

2. Material: Mild carbon steel

3. Diameter: 8mm-150mm

4. Length: 6m, 9m, 12m

5. Quenching methods: oil quenching, air cooling or salt bath quenching

6. Heat treatment: Isothermal annealing temperature is 800~880 °C, with 10~20 °C, the furnace cooling to about 600 °C

Usage and Applications of High Quality Hot Rolled Steel Round Bar GB, ASTM, JIS Standard

1. Construction steel round bar is mostly used for straight bundles supply, and used for steel, bolts and various mechanical parts. While the bigger round bar, or more than 25mm hot rolled bar, is mainly for the manufacture of mechanical parts or for seamless steel billet.

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

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.

Packaging & Delivery of High Quality Hot Rolled Steel Round Bar GB, ASTM, JIS Standard

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.

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A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: 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.

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.

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High Quality Hot Rolled Steel Round Bar GB, ASTM, JIS Standard

Q: What kind of nuts do you need for round 20 rounds?: The nut is connected to mechanical equipment parts, through the inside of the thread, the same specifications of nuts and bolts to connect together, such as M4-P0.7 and M4-P0.7 only bolt nut series connection (nut, M4 nut diameter is about 4mm, 0.7 fingers between the two thread distance of 0.7mm); US made products as well, such as screw nut only with the 1/4-20 1/4-20's collocation (1/4 refers to the nut inner diameter is about 0.25 inches, 20 inches each, 20 teeth).Self locking nut, lock nut, locking nut, four claw nut, the nut is screwed into the nut, screw rod nut insurance connecting nut cap nut six self-locking angle of anchor bolt with nut, six special angle crown thin nut eyenut.

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 durable and strong material that can provide stability and support for various sporting equipment such as weights, bars for weightlifting, poles for pole vaulting, or components for bicycles and golf clubs.

Q: What are the standard sizes for steel round bars?: The standard sizes for steel round bars vary depending on the industry and country. However, some common standard sizes include diameters ranging from 6mm to 50mm, with increments of 1mm or 2mm.

Q: Can steel round bars be used for making camshafts?: Yes, steel round bars can be used for making camshafts. Steel is a commonly used material due to its strength, durability, and heat resistance properties, which are essential for camshaft applications. Additionally, steel round bars can be easily machined and shaped into the desired camshaft design.

Q: How are steel round bars manufactured?: Steel round bars are manufactured through a process known as hot rolling. This process starts with heating a large steel billet in a furnace until it becomes soft and malleable. The billet is then passed through a series of rollers which compress and shape it into a round bar. The first step in hot rolling is the roughing mill, where the billet is passed through multiple sets of rollers to reduce its thickness and increase its length. This process also helps to ensure that the steel maintains a consistent temperature throughout. After the roughing mill, the bar enters the finishing mill, where it is further reduced in size and given its final shape. The finishing mill typically consists of several sets of rollers that gradually decrease the diameter of the bar while increasing its length. This process is repeated until the desired dimensions are achieved. During the rolling process, the steel round bar is constantly monitored for quality control. Any imperfections or defects that may arise are detected and corrected to ensure the final product meets the required specifications. Once the bar reaches its final dimensions, it is cooled and cut to the desired length. The cooling process can be done using air, water, or a combination of both. After cooling, the bar is inspected for any surface defects and undergoes further processing if necessary. In some cases, additional treatments such as heat treatment or surface finishing may be applied to enhance the properties and appearance of the steel round bar. Overall, the manufacturing of steel round bars involves a combination of heating, rolling, cooling, and cutting processes to produce a high-quality product that meets the specific requirements of various industries.

Q: Can steel round bars be used for shafting applications?: Yes, steel round bars can be used for shafting applications. Steel round bars are commonly used in various industries for shafting purposes due to their high strength, durability, and ability to withstand rotational forces. They provide excellent stability and support for transmitting power or motion in a wide range of applications, such as machinery, automotive, construction, and manufacturing.

Q: How can a round steel weld on a flat steel plate be flat and qualified?: It is required that the current is suitable and the bar is stable. If required, the groove can be turned on the round steel to ensure that the welding is beautiful and qualified

Q: What is the minimum diameter available for steel round bars?: The minimum diameter available for steel round bars can vary depending on the manufacturer and the specific requirements of the project. However, commonly available sizes range from 1/4 inch to 1 inch in diameter.

Q: What are the different types of steel round bar alloys for improved machinability and strength?: Improved machinability and strength can be achieved with several variations of steel round bar alloys. These alloys are designed specifically for industries where efficient machining and high tensile strength are essential. Here are some of the popular alloys used: 1. 12L14: This alloy incorporates lead, functioning as a lubricant during machining. This results in improved chip formation and reduced tool wear. Its exceptional machinability and good strength make it ideal for applications involving intricate machining processes. 2. 4140: Known as "chromoly" steel, this alloy contains chromium and molybdenum, which enhance its strength and hardenability. It is extensively used in applications that demand high tensile strength, such as automotive parts, shafts, and gears. 3. 8620: This low-alloy nickel-chromium-molybdenum steel offers a combination of high strength and good toughness. It can be easily machined and is commonly employed in case-hardening applications like gears, shafts, and fasteners. 4. 1018: Referred to as "cold-rolled" or "cold-finished" steel, 1018 is a low-carbon alloy with good machinability and weldability. It finds common usage in applications requiring precise and smooth finishes, such as bolts, screws, and hydraulic fittings. 5. 52100: This high carbon, chromium-bearing steel is primarily used for manufacturing bearings and other high-wear applications. It offers excellent hardness, wear resistance, and machinability, making it suitable for components necessitating strength and durability. These examples illustrate the range of steel round bar alloys available to enhance machinability and strength. The choice of alloy depends on specific application requirements, including desired strength, machinability, and durability. Consulting with a materials engineer or supplier can assist in identifying the most suitable alloy for a particular use case.

Q: What is the maximum length available for steel round bars?: The maximum length available for steel round bars can vary depending on the supplier and the specific requirements, but typically it can range from 12 to 24 feet.

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