Astm a479 304 Stainless Steel Bar with CE CertificateChina Manufacturer

Astm a479 304 Stainless Steel Bar with CE CertificateChina Manufacturer

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 3800 m.t./month

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Name	304 stainless steel round polished bar
Standard	AISI, ASTM, JIS,GB,EN,DIN
Grade	201/304/316/304L/316L
Technology	Hot Drawn and Cold Drawn
Form	Round/Square/Hexagonal Bar
Diameter	0.3 mm – 100mm
Length	Customized
The sizes or thickness of stainless steel Bar can be customized. Our customer service staffs are available 7/24.

*Type*	C	Si	Mn	P	S	Ni	Cr	Mo
*201*	*≤0.15*	*≤0.75*	*5.5-7.5*	*≤0.06*	*≤0.03*	*3.5-5.5*	*13.5-15.0*
*202*	*≤0.15*	*≤1.0*	*7.5-10.0*	*≤0.06*	*≤0.03*	*4.0-6.0*	*17.0-19.0*
*304*	*≤0.08*	*≤1.00*	≤2	*≤0.035*	*≤0.030*	*10.0~14.0*	*18.0-20.0*
*304L*	*≤0.03*	*≤1.00*	≤2	*≤0.035*	*≤0.030*	*8.0~11.0***	*18.0-20.0*
*316*	*≤0.08*	*≤1.00*	≤2	*≤0.035*	*≤0.030*	*10.0~14.0*	*16.0~18.5*	*2.0-3.0*
*316L*	*≤0.03*	*≤0.75*	≤2	*≤0.045*	*≤0.030*	*10.0~14.0*	*16.0~18.5*	*2.0-3.0*

Quality Speaks Volumes

Boro has developed and produced premium stainless steel fabrications for over five hundred manufacturing, military, and general industrial companies.

We've run thousands of jobs and thousands of part designs.

We have outstanding deliverability and are ISO BV SGS registered .

So you know you're getting a quality product.

Our experience with reducing costs for our customers through long-run jobs is proven and reliable.

With many long term customers, our stainless steel fabrication services

are low cost and high quality in this present world marketplace.

Boro pursues improvement in every department. Roughly one tenth of company revenue is spent on new technology, renovations, improvements, & strategic market preparation.

Our entire business model (prospect to job close) has been completely value streamed and most of our workflow is strictly managed & controlled.

We maintain records and backups of all pertinent job data.

PACK & DELIVERY

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

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Application

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F A Q

FAQ

1, Your advantages?

professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale

2, Test & Certificate?

SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3, Factory or Trading Company?

CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

30% TT as deposit and 70% before delivery.

Irrevocable L/C at sight.

Q:What is stainless steel 309L?: 309L is a kind of stainless steel with high mechanical strength, high corrosion resistance and low carbon content.

Q:Are stainless steel bars resistant to crevice corrosion?: Yes, stainless steel bars are generally resistant to crevice corrosion due to their high chromium content which forms a protective oxide layer on the surface, preventing the initiation of crevice corrosion.

Q:Can stainless steel bars be used in railway bridges?: Yes, stainless steel bars can be used in railway bridges. Stainless steel has excellent corrosion resistance and high strength, making it suitable for bridge construction, including railway bridges, where durability and structural integrity are critical.

Q:What is the difference between a round bar and a flat bar?: A round bar and a flat bar are two different types of metal bars with distinct shapes and characteristics. The main difference between them lies in their shape and the way they are used in various applications. 1. Shape: The most obvious difference is their shape. A round bar has a cylindrical or circular shape, while a flat bar has a rectangular shape with parallel sides. The round bar has a consistent diameter throughout its length, whereas the flat bar has a consistent thickness but varying widths. 2. Strength and Stability: Due to its circular shape, a round bar offers enhanced strength and stability, making it ideal for applications that require load-bearing capacities. It distributes weight evenly, making it suitable for structural purposes like construction, support frames, and machinery components. 3. Versatility: While a round bar is commonly used for structural applications, a flat bar offers more versatility in terms of its applications. Flat bars can be used for decorative purposes, such as architectural trim, as well as for manufacturing various components like brackets, supports, and base plates. 4. Handling and Machining: The shape of a round bar allows for easier handling and machining. It can be rotated, manipulated, and turned in various ways during the manufacturing process. Conversely, a flat bar may require different handling techniques, such as cutting, bending, or welding, to achieve the desired shape or fit. 5. Aesthetics: The shape of a flat bar offers a more modern and sleek appearance compared to a round bar. This makes it a popular choice for architectural designs and interior decoration, where a clean and contemporary look is desired. In summary, the difference between a round bar and a flat bar lies in their shape, strength, versatility, handling, and aesthetic appeal. While a round bar is known for its strength and load-bearing capabilities, a flat bar offers versatility in applications and a sleeker look. The choice between the two depends on the specific requirements of the project or application at hand.

Q:What are the applications of stainless steel square bars?: Stainless steel square bars possess unique properties and characteristics that make them suitable for a wide range of applications. Here are some of the main uses: 1. Construction and architecture: In construction and architecture projects, stainless steel square bars are commonly employed as structural components for buildings, bridges, and other infrastructure due to their strength, durability, and corrosion resistance. 2. Manufacturing and machinery: The manufacturing industry heavily relies on stainless steel square bars for the fabrication of machinery, equipment, and tools. This is due to their exceptional tensile strength, machining properties, and resistance to wear and tear. 3. Automotive industry: In the automotive sector, stainless steel square bars are utilized for various purposes. They are involved in the production of components such as shafts, fasteners, brackets, and suspension systems, thanks to their corrosion resistance, ensuring longevity even in harsh environmental conditions. 4. Food and beverage processing: The food and beverage industry widely employs stainless steel square bars in the production of food processing equipment, storage tanks, and containers. This is because they possess hygienic properties, resist corrosion, and are easy to clean. 5. Medical and healthcare industry: Stainless steel square bars play a crucial role in the medical field for the manufacturing of surgical instruments, medical equipment, and implants. Their biocompatibility and corrosion resistance ensure the safety and effectiveness of medical procedures. 6. Energy and power generation: The energy and power generation industry utilizes stainless steel square bars in the construction of power plants, transmission towers, and various components in renewable energy systems. This is due to their high strength, corrosion resistance, and ability to withstand extreme temperatures. 7. Aerospace and defense: The aerospace and defense sectors find applications for stainless steel square bars in the production of aircraft components, missile systems, and defense equipment. Their lightweight nature, high strength, and resistance to corrosion make them ideal for these purposes. These examples merely scratch the surface of the countless applications of stainless steel square bars. Their versatility, durability, and resistance to corrosion establish them as indispensable materials in various industries.

Q:How do stainless steel bars resist phosphoric acid?: Due to its composition and properties, stainless steel bars possess a natural resistance to phosphoric acid. Stainless steel primarily comprises iron, chromium, and nickel, with smaller amounts of other elements added to enhance specific characteristics. The high chromium content in stainless steel generates a protective oxide layer on the surface, referred to as the passive layer. This layer acts as a barrier, preventing direct contact between the phosphoric acid and the underlying steel. Chromium forms a stable oxide film that is highly corrosion resistant, offering excellent protection against phosphoric acid. Moreover, stainless steel bars also contain nickel, which boosts the material's resistance to corrosion. Nickel aids in stabilizing the passive layer and provides additional safeguarding against acidic environments, including phosphoric acid. Aside from its chemical composition, stainless steel bars are renowned for their mechanical properties, such as strength and durability. These properties increase the resistance of stainless steel bars to the physical impact of phosphoric acid, reducing the risk of damage or corrosion. In summary, the combination of chromium, nickel, and other elements, along with the mechanical properties of stainless steel bars, contribute to their exceptional resistance to phosphoric acid. This characteristic makes stainless steel bars the preferred choice in applications where exposure to phosphoric acid is anticipated, such as in chemical processing, food and beverage industries, and various other corrosive environments.

Q:What is the tensile strength of stainless steel bars?: The tensile strength of stainless steel bars typically ranges from 500 to 1,000 megapascals (MPa), depending on the specific grade and composition of the stainless steel.

Q:What are the different types of bending processes for stainless steel bars?: Stainless steel bars can be bent using various processes, each with its own unique characteristics and applications. These processes include: 1. Roll Bending: Large-radius bends and curves can be achieved by passing the stainless steel bar through a series of rollers, gradually shaping it. 2. Rotary Draw Bending: To prevent collapse during bending, a mandrel is inserted into the stainless steel bar. The bar is then clamped, rotated, and pressure is applied to create tight-radius bends and precise shapes. 3. Induction Bending: By heating a specific section of the stainless steel bar with an induction heating coil, it can be bent using external mechanical force or pressure. This method is suitable for large-diameter pipes or bars with thick walls. 4. Press Bending: Simple bends like U-shaped or V-shaped bends can be achieved by applying force on a specific point of the stainless steel bar using a hydraulic press. 5. Heat Bending: Smaller bars or intricate shapes requiring precision can be achieved by heating the stainless steel bar to a high temperature and manually bending it. 6. Cold Bending: Specialized tools or machinery are used to gradually bend the stainless steel bar to the desired angle or curve without the application of heat. Each bending process has its advantages and limitations, and the choice depends on factors such as desired shape, bend radius, wall thickness, and material properties. Consulting a professional or experienced metal fabricator is important to determine the most suitable bending process for a specific application.

Q:Can stainless steel bars be used in mining equipment?: Yes, stainless steel bars can be used in mining equipment. Stainless steel is a versatile material that offers numerous advantages in mining applications. It has excellent corrosion resistance, making it ideal for equipment that will be exposed to harsh and corrosive environments, such as underground mines or near water sources. Stainless steel bars are commonly used in mining equipment due to their high strength and durability. They can withstand heavy loads, impacts, and harsh conditions, ensuring the longevity and reliability of the equipment. Additionally, stainless steel bars can be easily fabricated and machined to meet specific requirements, allowing for the customization of mining equipment. Furthermore, stainless steel is non-magnetic and heat resistant, which can be advantageous in certain mining operations. It can withstand high temperatures and does not generate sparks, minimizing the risk of fires or explosions in potentially hazardous mining environments. Overall, the use of stainless steel bars in mining equipment offers numerous benefits, including corrosion resistance, high strength, durability, and customization options. These properties make stainless steel bars a suitable choice for various applications in the mining industry.

Q:Can stainless steel bars be molded or cast?: No, stainless steel bars cannot be molded or cast. Stainless steel is typically formed through hot or cold rolling processes, where the metal is shaped into bars or other desired forms.

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