Round Bar

Your Professional Round Bar Supplier

Our goal is to become your true partner in the field of round bar in China. Gnee Steel Group is committed to becoming the world's most internationally competitive supply chain group, meeting the different needs of different customers. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

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Why Choose Us

Our services:

In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

Our certification:

Our company has obtained SGS certification. We have also passed ISO9001 and ISO14001 environmental management system certification.

Our capacity:

We have established long-term cooperative relationships with dozens of factories to ensure the production of our products, and our annual export volume exceeds 80,000 tons.

Quality control:

All our products are made of the highest quality materials and are subject to factory inspection, cargo inspection at any time.

Advantages of Round Bar

High strength:

A round bar has a significantly high melting point between 1425 and 1540℃. Its near non-destructiveness, especially in extreme temperature and pressure environments.

Comes in different shapes:

While there are standard sizes for round bars, they can be formed in different shapes and sizes that fit the preferences of the customer. Aside from the common elongated sizing typical of stock metal parts, the round bar May also take the shape of a puck or a small metal rod that has a smaller cross-section.

Malleable:

Aside from aluminum, titanium, steel, and iron, some examples of metals that can be used for the round bar are copper, tin, and bronze. These materials are easily malleable, allowing fabricators and manufacturers to manipulate them with ease.

Excellent surface finish:

The round bar can also sport an excellent surface finish by undergoing a metal finishing process. Plating, for example, can improve the luster of a stock metal round bar by adding another thin layer of zinc, chromium, cadmium, or nickel.

Types of Round Bar

Hot rolled round bars: Hot rolling involves heating steel above its recrystallization temperature (typically between 1000°f and 1200°f) and then rolling it into shape. This process allows the metal to deform easily, resulting in a uniform and refined structure.

Cold drawn round bars: Cold drawn bars are produced by pulling hot rolled bars through a die at room temperature, which reduces their diameter and increases their length. This process improves surface finish, dimensional accuracy, and tensile strength.

Forged round bars: Forged round bars are created by shaping metal using localized compressive forces, often through a hammer or press. The forging process can be performed hot or cold, but hot forging is more common for round bars.

Alloy round bars: Alloy round bars are manufactured from a mixture of metals, which can be tailored to enhance specific properties such as strength, corrosion resistance, and heat resistance. Common alloying elements include nickel, chromium, molybdenum, and vanadium.

Stainless steel round bars: Stainless steel round bars are made primarily from iron and chromium, along with other alloying elements such as nickel and molybdenum to enhance corrosion resistance and strength.

Specification of Round Bar

Product name:	Round Bar
Production technology:	Cold rolling or hot rolling
Standard:	AiSi, ASTM, BS, DIN, GB, JIS , etc.
Length:	1000~12000MM,Customizable
Diameter:	3mm-800mm,customizable
Tolerance:	±1%
Sample：	Provided Within 3 Days
Application:	Industry,Construction, Ship Components
Processing Service:	Bending, Welding, Decoiling, Punching, Cutting
Surface:	BA/2B/#1/#3/#4/8K/HL/2D/1D/etc. Customizable
Shape:	Round.Customizable

Materials Used for Round Bars

Carbon steel:

Carbon steel round bars are made primarily of iron and carbon, providing a balance of strength and ductility. The carbon content can vary, affecting the hardness and tensile strength.

Stainless steel:

Stainless steel round bars contain chromium (at least 10.5%) and May also include nickel and other elements, enhancing corrosion resistance and mechanical strength. Popular grades include 304, 316, and 410, each with unique properties.

Alloy steel:

Alloy steel round bars contain additional elements like nickel, molybdenum, and chromium, which improve strength, hardness, and wear resistance. The specific properties depend on the alloying elements and their proportions.

Aluminum:

Aluminum round bars are lightweight, corrosion-resistant, and possess excellent machinability. They can be alloyed with elements like copper, magnesium, and silicon to enhance specific properties.

Titanium:

Titanium round bars are known for their high strength-to-weight ratio and exceptional corrosion resistance. They are lightweight yet incredibly strong, making them suitable for demanding applications.

The Manufacturing Process Of Round Bar

Hot rolling:

Hot rolling involves heating the metal to a specific temperature and passing it through rollers to achieve the desired shape. This process allows for large quantities of metal to be processed quickly, making it cost-effective for producing hot rolled round bars.

Cold drawing:

Cold drawing is a precision process that improves the mechanical properties and surface finish of the round bars. The cold drawing process involves pulling the hot rolled bars through a series of dies at room temperature, which elongates and reduces the diameter of the bars, resulting in tighter tolerances.

Forging:

The forging process involves shaping the metal through compressive forces, which can enhance its grain structure and mechanical properties. Forging can be done using various methods, such as open-die forging, closed-die forging, and rotary forging, each with distinct advantages.

Machining:

Machining involves removing material from the round bar to achieve precise dimensions and surface finishes. Techniques such as turning, milling, and grinding are commonly employed to produce high-quality components that meet specific tolerances.

Heat treatment:

Many round bars undergo heat treatment processes such as annealing, quenching, and tempering to alter their mechanical properties. Heat treatment can improve hardness, strength, and ductility, making the round bars more suitable for specific applications.

Application of Round Bar

Reinforced construction: Round bar as much is used in the construction industry to reinforce concrete structures. The high tensile strength and flexural strength make it ideal for use in foundations, beams, columns, and roads.

Automotive and mechanical parts: All mechanical components like gears, shafts, axles, and others which need to be made strong and precise, lastly, come up from these steel round bars or mild steel round bars. They are used in machinery, engines, and many other applications in automotive parts.

Heavy machines: Parts like pins, bolts, and rods are used in heavy machinery and much industrial equipment, with round bars of high strength. The strength and durability of steel bars have made them worth consuming for making machines work reliably under high stress.

Shipbuilding and marine industry: Round bars made from stainless steel are used in shipbuilding and the marine industry. They resist rust and corrosion, so they are used in developing ships, boats, and offshore platforms.

Tooling and manufacturing: Alloys steel round bars find their applications in tool and die manufacturing as they impart very high strength and can withstand very high temperature and pressure conditions. Generally, they are used to make cutting tools, presses, and molds.

Packing and Shipping of Round Bar

Packing	Standard export packing (inside:water proof paper,outside:steel covered with strips and pallets)
Shipping	Shipped by road, sea, rail

Other Service of Round Bar

Delivery time	7 to 15 working days
Payment terms	30%TT for deposit, 70% balance before shipment or LC at sight
Supply ablitity	10000 Ton/ per Month

FAQ

Q: What is round bar used for?

A: These bars are very important for the construction industries or other industries. They are strong, versatile, and economical. Round bars are the most popular type of MS bars in circular cross-sections and are ideally suited to applications such as reinforcement, structural components, as well as parts of machinery.

Q: What is the difference between a round bar and a rod?

A: Ound bars often possess higher tensile strength and hardness, making them suitable for load-bearing applications.

Q: What is the difference between a round bar and a deformed bar?

A: Surface texture affects how well steel bars bond with concrete. Round Bars: Round bars have a smooth surface, resulting in weaker bonding with concrete. Deformed Bars: Deformed bars have ribs that increase friction, enhancing bond strength with concrete.

Q: Is rebar stronger than round bar?

A: The first key difference to note is within the strength of the two bars. The rebar has a much higher tensile and maximum bending strength. Such properties make it the perfect material for fortifying concrete. In doing just that, the rebar can withhold its molecular integrity for well over 100 years.

Q: Is round bar stronger than square bar?

A: Since there isn't one bar shape that's universally "stronger," the choice between round and square bars depends on what your project specifically needs: Go with round bars if your project will deal with twisting forces, even compression, or rotational shear.

Q: Where is round bar used?

A: They are used in the production of numerous items, including pins, machine tools, surgical instruments, and pumping shafts. In general, a round bar is measured by considering its diameter.

Q: What is the difference between a shaper bar and a round bar?

A: Snow conditions also make a huge difference, and while both styles of carbides will work, round bars are great for soft, slushy snow conditions that provide a lot of traction, but as it gets colder and the snow is fluffier, more aggressive shaper bars will provide more traction without wearing you out.

Q: What is the difference between a trunnion bar and a round bar?

A: The biggest difference between round bars and trunnion bars is the way they attach to the ball mount. Trunnion style bars are generally easier to hook up since they slide into the head of the hitch from the side or back. This also allows for greater ground clearance than round bars typically offer.

Q: What grade is round bar?

A: SBQ grades include 1018, 1045, 1117, 1141, 1144, 1215, 12L14, Stressproof and Fatigueproof. These are stocked in a variety of sizes and finishes including hot rolled designed to meet various strength, machinability and weldabilty requirements.

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional round bar manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale round bar at competitive price from our factory. Contact us for customized service. tool steel round rod, Special Alloy Rod, Solid Steel Round Bar