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Stainless Steel Bar

Why Choose Us stainless steel?

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Our customer team is highly skilled, motivated and always ready. No matter if you are following up on an order, looking for advice or looking for a bespoke quotation, our team is here to help.

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With our manufacturing and design capability, it allows us to not only offer standard products, but also products based on customers’ own specific designs.

 

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As evidence of this quality, we’ve been awarded third-party accreditations including ISO 9001-2015 and EN-1090-2. These independently verify our technical expertise and confirm that we meet standards set by respected regulatory bodies.

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Our design engineers have more than 25 years of experience designing and building molds that offer innovative solutions to complex design challenges.

 

 

What is a Stainless Steel Bar?

A stainless steel bar is a solid metal rod made from a non-corrosive steel alloy that contains a higher percentage of chromium, which provides increased resistance to rust, corrosion, and staining. Stainless steel bars are available in various shapes and sizes, such as round, square, flat, and hexagonal bars, and can be used for various applications, including machinery parts, fittings, fasteners, and structures.

 

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Benefits of Stainless Steel Bar
 

Corrosion resistance
The key benefit of stainless steel is that they provide great features of corrosion resistivity which helps to use in many applications. The corrosion rate of low alloy steel grades increases in hot conditions. It is also heat resistant and fire resistant when exposed to high temperatures and pressures.

 

Temperature resistance at both high and low levels
Heat and fire resistance aids in preventing scaling at extreme temperatures as well as maintaining power.

 

Manufacturing ease
Today’s modern steel manufacturing procedures allow stainless steel to be forged, cut, drilled, machined, manufactured and molded in much the same way as conventional steel. Frequently, it is the least expensive content option due to its long product life cycle and long useable lifetime.

 

Cleansing
Its ease of cleaning makes stainless steel a favorite material of hospitals, restaurants, and abattoirs that are subject to strict hygiene standards. Food that comes into contact with a stainless steel round bar will not accumulate dirt or bacteria, as it is one of the most sanitary and clean surfaces available.

 

Aesthetic appeal
Round stainless steel bars are available in a variety of surface treatments, and they are easily maintained and have an appealing appearance due to their durability and high quality. It is vital to have stainless steel appliances in the kitchen or house, and stainless steel curtains rods, which look fantastic in either setting.

Types of Stainless Steel Bar

Round bars

These are commonly used in construction, food processing, and general machining applications.

Square bars

These are used in structural and architectural applications.

Flat bars

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Hex bars

These are used for construction, machining, and general fastening applications.

Threaded bars

These are used for construction, plumbing, and general fastening applications.

Angle bars

These are used in fabrication, construction, and agricultural applications.

Channel bars

These are used for structural and architectural applications.

Hollow bars

These are used for machining and structural applications where weight reduction is desired.

Material of Stainless Steel Bar

 

Austenitic stainless steel round bars
Type 304/304L: This is one of the most common stainless steel grades. It offers good corrosion resistance and is often used in applications such as food processing, chemical equipment, and architectural components.
Type 316/316L: Known for its superior corrosion resistance, it is commonly used in marine environments, pharmaceutical equipment, and applications where exposure to chlorides is a concern.

Ferritic stainless steel round bars
Type 430: This grade offers good corrosion resistance and is often used in applications like automotive trim, kitchen appliances, and architectural components.

Martensitic stainless steel round bars
Type 410: Known for its excellent wear resistance, it is often used in applications like cutting tools, valves, and mechanical parts.
Type 420: Offers good corrosion resistance and is used in applications such as surgical instruments and cutlery.

Duplex stainless steel round bars
Duplex 2205 (S32205): These round bars have a combination of good corrosion resistance and high strength. They are used in applications such as chemical processing, offshore oil and gas equipment, and heat exchangers.

Precipitation hardening (PH) stainless steel round bars
17-4 PH: Known for its high strength and corrosion resistance, it is used in applications like aerospace components and power generation equipment.

High temperature stainless steel round bars
310: These round bars can withstand high temperatures and are used in applications like furnace parts, heat treatment equipment, and exhaust systems.

Nitronic stainless steel round bars
Nitronic 60: Offers high strength, excellent corrosion resistance, and good wear resistance. It is used in applications such as pump components, valve stems, and marine hardware.

Special alloys and super stainless steel round bars
Alloy 20 (Carpenter 20): Known for its resistance to corrosion in sulfuric acid environments, it is used in chemical processing equipment.
Alloy 625 (Inconel 625): Offers excellent resistance to high-temperature corrosion and is used in aerospace and marine applications.
Alloy 825 (Incoloy 825): Known for its resistance to various corrosive environments, including sulfuric and phosphoric acids, and is used in chemical processing and oil and gas industries.

Application of Stainless Steel Bar 

In the production of fastener products

Because of their fantastic corrosion resistance, SS round bars are used in manufacturing industries that produce fasteners products like Bolts, nuts, screws, washers, and rivets can range in size from micro to mega depending on the application and customs requirements, and machining and producing these fasteners for use in industrial or domestic environments.

Manufacture of tools

Stainless Steel Bar, a highly specialized product, are also used in the machining industry. These calcium-treated bars have free-machining grades, resulting in faster cutting speeds and longer tool life.

Round Bar Stainless Steel 304
Duplex 2205 Round Bar

Manufacture of machine components

These specialty round bars, with precision, straightened and mirror-finish surfaces, are widely used in the manufacture of various machine parts.

Sector of engineering and constructio

Stainless steel round bars and flats are frequently used in building and engineering projects. Because the modular round bars products provide immediate stability and strength, the project can be completed quickly.

Stainless Steel Bar Craftsmanship
 
1

Melting and casting

To create stainless steel bars, manufacturers first melt metal scrap and other raw materials using an electric arc furnace or an induction furnace. The molten metal is then cast into a mold to form a rough shape known as an ingot.

 
2

Hot rolling
The ingot is then reheated to a temperature of 1,200 to 1,300 degrees Celsius and placed in a rolling mill. The rolling mill continuously rolls the ingot, reducing its thickness, and elongating it into the desired shape and size. The process also refines the ingot's chemical composition and structure, making the stainless steel bars stronger and more durable.

 
3

Peeling
After hot rolling, the surface of the stainless steel may have surface irregularities and impurities. The bars are then fed through a peeling machine, which removes the outer layer of the material to reveal a smooth surface suitable for downstream machining processes.

 
4

Cold drawing
Stainless steel bars that need to be highly accurate and have a uniform diameter undergo cold drawing. The stainless steel bars are pulled through a series of dies that gradually reduce the diameter of the bar. This process provides greater dimensional accuracy, uniformity, and surface smoothness.

 
5

Annealing
After cold drawing, the stainless steel bars are annealed to relieve stresses and improve its machinability. The bars are heated up to 1,100 degrees Celsius and then allowed to cool down slowly to room temperature. This process changes the internal structure of the stainless steel, making it easier to work with, bend, and deform.

 
6

Finishing
The final step to crafting stainless steel bars is the finishing process, that involves grinding, polishing, or coating the bars with a protective layer or plating.

 

How to maintain Stainless Steel Bar

 

 

12mm Ss Rod

01.Cleaning

Regularly clean the stainless steel bar with a mild soap and water solution. Avoid using abrasive cleaners or scrubbers, as they can scratch the surface.

02.Wipe dry

After cleaning, make sure to wipe the stainless steel bar completely dry to prevent water spots.

03.Polish

Use a stainless steel polish to maintain the shine of the bar. Apply it with a soft cloth and follow the instructions on the product label.

04.Avoid contact with corrosive substances

Keep the stainless steel bar away from chemicals like bleach, acids, and other corrosive substances that can cause discoloration or damage.

05.Store in dry place

When storing stainless steel bars, keep them in a dry place to prevent moisture buildup and potential rusting.

06.Regular maintenance

Regular maintenance ensures that the stainless steel bar continues to be used for a long time without wear and tear. Inspect the stainless steel bar periodically and look for signs of wear and tear.
What you should know when use Stainless Steel Bar?

Grade of stainless
It is crucial to understand the different grades of stainless steel bars available in the market. The grade of stainless steel determines its composition and properties. The two most commonly used grades are 304 and 316 stainless steel bars. While both offer excellent corrosion resistance, 316 stainless steel bars provide superior resistance to harsh environments containing chemicals or saltwater. Therefore, it is essential to choose the appropriate grade based on the specific requirements of your application.

 

Surface finish
Another important factor to consider is the surface finish of the stainless steel bar. The surface finish not only affects the aesthetics but also influences the bar's performance in certain applications. The most commonly used surface finishes include brushed, mirror, and mill finishes. Brushed finishes offer improved corrosion resistance and are frequently used in environments where cleanliness is crucial, such as in the food processing industry. On the other hand, mirror finishes provide a high level of reflectivity and are often used for decorative purposes.

Storage standards

Proper handling and storage are vital for maintaining the quality of stainless steel bars. These bars should be stored in a clean and dry environment to prevent contamination and corrosion. Any contact with carbon steel or other metals should be avoided, as it can result in galvanic corrosion. It is recommended to use dedicated storage racks or pallets to prevent any direct contact with the ground.

Cleaning and maintenance

Regular cleaning and maintenance are essential for stainless steel bars to retain their properties and appearance. Routine cleaning using mild soapy water and a non-abrasive cloth is usually sufficient. Avoid using harsh cleaning agents or abrasive materials that can damage the protective oxide layer on the surface of the bar. Additionally, inspect the bars regularly for any signs of corrosion or damage.

Use correctly

When using stainless steel bars in structural applications, it is crucial to consult engineering professionals to ensure proper design and installation. They can guide you in selecting the appropriate size, shape, and type of stainless steel bar to meet the specific load-bearing requirements. Following the recommended guidelines for welding and fastening techniques is also essential to maintain the integrity and strength of the structure.

Factors to Consider When Selecting Stainless Steel Bar?

Corrosion Resistance
One of the primary advantages of stainless steel is its resistance to corrosion. However, different grades of stainless steel offer varying levels of resistance to different types of corrosive environments. It is important to consider the specific type of corrosion that the stainless steel bar will be exposed to and select a grade that offers the appropriate level of resistance. Factors to consider include exposure to moisture, chemical substances, and oxidizing agents.

Mechanical Properties
The mechanical properties of stainless steel, such as tensile strength, yield strength, and hardness, play a crucial role in its performance in different applications. The intended use of the stainless steel bar will determine the required mechanical properties. For example, a stainless steel bar used for structural purposes may require higher strength and toughness compared to a bar used in a decorative application.

Temperature Resistance
Stainless steel exhibits good high-temperature resistance, but different grades have varying limits to their heat resistance. Consider the temperature range the stainless steel bar will be exposed to and ensure that the selected grade can withstand it without losing its mechanical or corrosion-resistant properties.

Fabrication and Machinability
The ease with which a stainless steel bar can be fabricated and machined is an essential factor to consider, especially if you require customized shapes or sizes. Some stainless steel grades are more easily machined than others, and they may also have better weldability or formability. Consider the specific fabrication or machining requirements of your project and select a stainless steel grade that can be readily processed in the desired manner.

Cost
Cost is always an important consideration when selecting any material. Stainless steel bars come in a wide range of grades and prices. The cost will vary depending on factors such as the grade, size, shape, and quantity required. It is essential to balance the performance needs of your application with the cost of the chosen stainless steel bar.

Surface Finish
The surface finish of stainless steel bar can vary widely, ranging from a bright polished finish to a matte or brushed finish. Different surface finishes have both aesthetic and functional implications. Consider the specific requirements of your application and select a surface finish that meets those requirements while also considering the desired appearance.

Our Factory
 

With a vast stock holding of stainless steel sheets, coils, strips, tubes, and bars, we have a wide range of products readily available to meet your immediate needs. Our comprehensive inventory ensures quick access to the materials you require. 

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Frequently Asked Questions Stainless Steel Bar
 
 

Q: What are the uses of stainless steel bars?

A: Stainless steel round bars are used in a variety of machinery, mechanisms, valves, fittings, vessels, flanges, threading bars, subways, chemical and fuel tankers, signboards, escalators, elevators, lifts, and petrochemicals.

Q: What are the uses of stainless steel round bars?

A: Stainless steel round bars are a versatile and widely used product in a variety of industries, from construction and architecture to automotive and medical equipment. These bars are made from a specific type of steel alloy that contains at least 10.5% chromium, which gives them their distinctive stainless properties.

Q: What are the benefits of using stainless steel round bars?

A: Stainless steel is a low-carbon steel containing chromium at a weight of 10 percent or more and containing more than 50 percent iron, also known as iron alloys. As ordinary steel does, stainless steel does not readily corrode, rust or stain with water and the chromium makes it highly corrosion resistant for a given application or setting. One of the most important players in the machining industry is the SS round bars are used in manufacturing industries that are engaged in the manufacture of fasteners and machinery with the wonderful property of corrosion resistance.

Q: What are the specifications of round stainless steel bars?

A: Round stainless steel bars come in various specifications, and the specific details can vary depending on the manufacturer and the intended use. However, I can provide you with some common specifications that you might encounter:
1. Diameter: The diameter of a round stainless steel bar is a crucial specification. It is typically expressed in millimeters (mm) or inches (in). Common sizes range from 1/8 inch (3.175 mm) to several inches in diameter.
2. Length: The length of a stainless steel round bar can vary, but standard lengths are often 12 feet (3.66 meters) or 20 feet (6.1 meters). Custom lengths can be ordered to meet specific project requirements.
3. Grade: Stainless steel comes in various grades, each with its own unique properties. Common stainless steel grades for round bars include 304, 316, 410, and 17-4 PH, among others. The choice of grade depends on the intended use and the required corrosion resistance, strength, and other characteristics.
4. Finish: Stainless steel bars can have different surface finishes, including polished, brushed, or mill finish. The choice of finish may depend on aesthetic preferences or functional requirements.
5. Tolerance: Manufacturers often specify tolerances for the diameter of the round bars. For precision applications, tighter tolerances are required. Common tolerance values might be expressed as "+/- 0.005 inches" or similar.

Q: What are stainless steel round bars?

A: Stainless steel round bars are solid cylindrical metal bars made from stainless steel, a corrosion-resistant alloy known for its durability and resistance to rust and staining. These round bars are commonly used in various industrial, construction, and manufacturing applications due to their strength, corrosion resistance, and versatility.

Q: What other metals are in stainless steel?

A: In its most basic form, classic stainless steel contains only two metals: Iron and Chromium. Beyond that, the answer gets more complicated.
As you most likely know, steel itself is an alloy of Iron and Carbon (Carbon is a nonmetal), but steel may also include other elements as well, depending upon the formulation.
Add Chromium to that steel in such proportion that the chromium will end up as at least 10.5% of the alloy’s mass, and you’ve got stainless steel.

Q: What are the common grades of stainless steel used for round bars?

A: Stainless steel round bars are available in various grades, each designed for specific applications based on their performance, corrosion resistance, and durability. Some types of stainless steel commonly used for round bars are:
304 Stainless steel: This grade is one of the most commonly used stainless steel in round bars. It has excellent corrosion resistance and good construction, making it suitable for a variety of applications in industries such as food processing, construction, and kitchen appliances.
316 Stainless Steel: Known for its excellent corrosion resistance, especially in harsh environments exposed to chemicals or salt water, 316 Stainless Steel is popular in marine, medical, and industrial applications requiring strong corrosion resistance.
303 Stainless Steel: This grade is designed to improve mechanical performance while maintaining corrosion resistance. It is often used in applications that require precise machining, such as the manufacture of nuts, bolts, and tools.

Q: Where can stainless steel not be used? Why?

A: Stainless steel is a great metal for use where corrosion is possible, since it is very corrosion resistant, but there are applications it isn’t suited for. For instance, it isn’t used where electrical conductivity is not wanted, the metal is very conductive, so plastics, ceramics, and other non-conductive materials are better for these applications. Cost is another factor. Stainless steel is expensive, so using it for reduced cost applications isn’t a great choice. Stainless costs more per pound than mild steel and other metals, and costs more to machine and fasten, For some applications, it may not be possible to weld the stainless steel to the other metals used in an application, making it undesirable for some uses.

Q: Why is stainless steel advantageous over other metals?

A: Other advantages to choosing stainless steel are: It is durable. Stainless is especially durable because it has anti-corrosive properties, and will not succumb to rust or the exposure to pollutants. The percentage of chromium determines how resistant the steel is to corrosive environments.
Stainless steel is appropriately named, as it is a type of steel that has the unique ability to resist stains and corrosion. There are multiple applications where stainless steel is used exclusively, and replacing it for other metals can only cause loss of quality as the stainless steel casting process is superior to other metals by a wide variety of factors.

Q: What are the different types of stainless steel bar?

A: There are many different types of stainless steel bar, including round bar, square bar, hexagonal bar, flat bar, and angle bar. Each type is designed for a specific application and has unique properties.

Q: How is stainless steel bar made?

A: Stainless steel bar is made by melting raw materials, including iron ore, coal, and limestone, in a blast furnace. The molten steel is then poured into molds and cooled to form solid bars, which are then processed to achieve the desired shape and properties.

Q: Can stainless steel bar be welded?

A: Yes, stainless steel bar can be welded using a variety of welding techniques, including TIG welding, MIG welding, and resistance welding. However, the proper welding technique and equipment must be used to ensure a high-quality weld and to avoid damage to the stainless steel.

Q: How do you clean and maintain stainless steel bar?

A: To clean and maintain stainless steel bar, use a mild detergent and warm water to wipe down the surface. Avoid using harsh chemicals or abrasive cleaning tools that can scratch or damage the steel. Regular cleaning and maintenance can help prevent corrosion and staining, and extend the life of the steel.

Q: Can stainless steel bar be recycled?

A: Yes, stainless steel bar can be recycled and repurposed for other manufacturing applications. Recycling stainless steel is an environmentally friendly way to reduce waste and conserve natural resources.

Q: Is stainless steel bar worth it?

A: One of the main reasons many people choose stainless steel bar stock over carbon steel bars is that they are less likely to rust. A carbon steel bar is usually more affordable than stainless steel bars, but they require more maintenance and care.

Q: What is the thickness of a stainless steel bar?

A: Like plate and sheet, stainless steel bars are available in various thicknesses (or diameters depending on the shape.) Standard sizes range from 3mm to 25mm. Flat bars are often used to help form base plates and brackets or reinforce key areas where plate might otherwise be a poor choice.

Q: Does stainless steel bar bend easily?

A: A stainless steel rod can be bent in two ways, one using force and one using heat. By mechanically bending stainless steel rods with a press brake, you create true radius bends. You can use an oxy-acetylene torch to heat the rod and then bend the heated area of the rod if you do not have access to a press brake.

Q: How do you harden a stainless steel bar?

A: Hardening stainless steel involves slowly increasing the temperature, followed by rapid cooling. Referred to as quenching, this rapid cooling process helps prevent warping or cracking. Immersion and soaking the metal in brine, oil, or water for a specified period cause the stainless steel to harden.

Q: What gauge stainless steel is strongest?

A: The lower the gauge number, the thicker the steel. Therefore, 16ga stainless steel is thicker and stronger than 18ga stainless steel. The choice between the two would depend on the specific requirements of your project or application.

Q: Will stainless steel bend without breaking?

A: Stainless steel combines ductility, elasticity and hardness. For this reason, it can be used in difficult bending operations, while offering resistance to heavy wear. Furthermore, it offers good mechanical behaviour at both low and high temperatures.

 

As one of the leading stainless steel bar manufacturers and suppliers in China, we warmly welcome you to buy or wholesale cheap stainless steel bar in stock here from our factory. All customized products are with high quality and competitive price. For free sample, contact us now.

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