Stainless Steel Flat Bar

Stainless Steel Flat Bar

Stainless steel flat bar is a flat-shaped steel bar cut from stainless steel plates. It has excellent durability and corrosion resistance. It has precise dimensions and smooth surface. It is made of high-quality stainless steel alloy. The flat profile of the rod offers advantages in applications requiring strong and even load distribution. Stainless steel flat bars are widely used in a variety of industries, including construction, manufacturing, construction and automotive.

Standard Types Provided:


Production Process:

  • Alloying & Smelting
  • Casting
  • Quality Control & Testing
  • Extrusion
  • Polishing
  • Pickling
  • Passivation

Production Technology:

  • Melting
  • Casting
  • Hot rolled
  • Cold Rolled
  • Heat Treatment
  • Cutting
  • Machining
  • Surface Treatment

Available, welcome to consult

A) Packaging Details: Standard export seaworthy packing or as required.
B) Delivery Time: 30-50 days, 7 days for stock goods.
C) Loading Port: Shanghai, Tianjin, Qingdao.
D) Offer Ability: 5000MT/Per Month.
E) MOQ: 1 Pcs.

Get A Free Quote
supply Rich Stainless Steel Flat Bar grades & Sizes at Gnee

Gnee Steel is China’s leading stainless steel manufacturer and supplier. Based on our strong factory strength and large inventory, we provide high-quality products quickly and on time. We are committed to meeting customer needs, supporting customization and processing services, with no minimum batch limit, and providing free samples to ensure your satisfaction. We have a wide selection of Stainless Steel Flat Bar grades, forms and sizes to meet various industrial applications. Free consultation is welcome.

Stainless Steel Flat Bar Common Grades
Stainless Steel Flat Bar Specification
Flat Bar TypesHeat Resistant Stainless Steel Flat Bars, Chemical Industrial SS Flat Bar, Stainless Steel Flat Bar Cold Drawn,  Forged Stainless Steel Flat Bar, etc.
Surface FinishBA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D
Size and DimensionsThickness: 10-500mm
Width: 30-300
Length: 1000-6000mm
TechniqueHot Rolled, Cold Drawn
Packaging Export-sea-worthy packing with each bundle tied and protected.
CertificationSGS ISO MTC CE BV
Supply Ability50000KGS
ApplicationConstruction: Underground piping, hot water transmission, etc.
Machining: Bearing sleeve, Accessory, etc.
Electric: Gas and Water transmission etc.
Wind Power: Anti-static Tube etc.    
Chemical Industrial
Parameters Of Stainless Steel Flat Rod
304 (S30400)0.080.752.000.0450.03018.0-20.08.0-10.5
316 (S31600)0.080.752.000.0450.03016.0-18.010.0-14.02.00-3.00
430 (S43000)
201 (S20100)
310 (S31000)0.251.502.000.0450.03024.0-26.019.0-22.0
321 (S32100)0.080.752.000.0450.03017.0-19.09.0-12.05×C(min)
410 (S41000)
416 (S41600)
420 (S42000)
17-4 PH (S17400)
GradeTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HB)
304 (S30400)515 min205 min40 min201 max
316 (S31600)515 min205 min40 min217 max
430 (S43000)450 min205 min22 min183 max
201 (S20100)655 min310 min40 min241 max
310 (S31000)515 min205 min40 min225 max
321 (S32100)515 min205 min40 min217 max
410 (S41000)480 min275 min16 min217 max
416 (S41600)550 min415 min16 min248 max
420 (S42000)655 min485 min15 min241 max
17-4 PH (S17400)1034 min760 min16 min363 max
  • Construction and Architecture
  • Manufacturing and Industrial Equipment
  • Kitchen and Food Industry
  • Automotive and Transportation
  • Marine and Offshore Structures
  • Energy and Power Generation
  • Furniture and Decorative Applications
Why Choose Gnee Stainless Steel Flat Bars?

Gnee, as a Chinese stainless steel supplier with 15 years of history, exports to 60+ countries. We provide various shapes of stainless steel, including plates, coils, pipes, bars, and fittings. Gnee is committed to providing comprehensive stainless steel solutions, with excellent after-sales service, we support customization and ensure product quality.

In addition, our stainless steel bar has been successfully exported to more than 60 countries such as Singapore, Malaysia, The United Arab Emirates, Oman, Turkey, Nigeria, Egypt, Kuwait, Indonesia, Qatar, and Kenya. Many regular customers come to visit our company and factory and make multiple orders.

What‘s The Feature Of Stainless Steel Flat Rods?

Stainless steel flat bars have a flat rectangular shape with precise dimensions. They are available in various widths, thicknesses, and lengths, providing flexibility for different design requirements.

Stainless steel flat bars are known for their high strength and durability. They offer excellent load-bearing capacity and structural integrity, making them suitable for applications that require strength, stability, and resistance to bending or deformation.

Stainless steel flat bars exhibit exceptional corrosion resistance properties. The presence of chromium and other alloying elements forms a passive oxide layer on the surface, protecting the steel from rust, oxidation, and chemical damage. This corrosion resistance makes stainless steel flat bars suitable for use in corrosive environments, including marine, chemical, and industrial settings.

Stainless steel flat bars provide a sleek and modern aesthetic appearance. Their smooth and flat surface, along with the clean lines of the rectangular shape, enhances the visual appeal of architectural and decorative applications. They are often used in interior design, furniture, handrails, and trim elements to add a touch of elegance and sophistication.

Stainless steel flat bars are easily machinable and can be fabricated to meet specific design requirements. They can be cut, drilled, welded, bent, and formed with relative ease, allowing for customization and adaptation to various applications. This ease of fabrication makes stainless steel flat bars a preferred choice for many manufacturing and construction projects.

Stainless steel flat bars have non-porous and smooth surfaces, making them easy to clean and maintain. This property is particularly beneficial in industries such as food processing, pharmaceuticals, and healthcare, where cleanliness and hygiene are essential.

What Services Does Gnee Provide?

Gnee can provide the following measurement services for stainless steel:

Dimensional Measurement: Measure dimensional parameters such as length, width and thickness by measuring instruments to ensure that the stainless steel is qualified and meets the design requirements.
Surface Measurement: Measure parameters such as flatness, bumpiness and surface roughness of the stainless steel surface to help ensure that the quality and surface condition of the stainless steel meets the requirements.
Thickness Measurement: Use thickness gauges to accurately measure the thickness of the stainless steel to ensure it meets the design requirements.
Material Measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the stainless steel to ensure that the quality and properties of the stainless steel meet the requirements.
Bending And Deformation Measurements: Use tools such as bending gauges and displacement sensors to measure and monitor the degree of bending and deformation of stainless steel to ensure that it is within the allowable range.

Ask Measurement service

Gnee can customize the size and shape of your stainless steel for your specific project needs. Custom design of stainless steel is carried out by a team of professional engineers and designers. Based on the project requirements and constraints, they will use calculation and simulation tools combined with experience and technical knowledge to optimize the stainless steel design to meet the specific needs of your different projects

● Adjustment of the thickness, width and length of stainless steel based on load calculations and strength requirements for structural design.
● The shape of the stainless steel can be designed according to the demand characteristics.
● If the convenience of installation and maintenance is considered, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

Ask Customized Services

Sourcing Gnee stainless steel can provide the following further processing services. We can customize to meet the specific needs of our customers for different projects.

Cutting Service: Stainless steel can be custom cut to obtain the desired shape and size according to the customer’s needs. For example, flame cutting, plasma cutting, laser cutting, etc., can cut stainless steel into desired plates, blocks, shaped pieces, etc.
Bending & Forming: Stainless steel is bent and formed by applying stress and appropriate processes to obtain the desired shape.
Welding Services: Stainless steel can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Hole Turning And Machining: Stainless steel is turned and holes are machined through the use of machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface Treatments: Surface treatments can be applied to improve the corrosion resistance and aesthetics of the stainless steel. This includes methods such as painting, hot dip galvanizing, and electroplating to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee stainless steel can provide testing and the following third-party inspection services. These third-party testing services provide independent and objective verification of stainless steel’s compliance with relevant standards and regulations.

Mechanical Property Testing: Used to determine whether the strength, toughness, ductility and other mechanical properties of stainless steel meet the specified requirements.
Chemical Composition Analysis: Quantitative determination of elements on stainless steel samples through spectral analysis, atomic absorption spectroscopy, inductive coupling and other technologies.
Corrosion Performance Test: Common corrosion performance test methods include salt spray corrosion test, acid-base corrosion test and electrochemical corrosion test.
Tensile Strength Test: Through the tensile test, the parameters such as yield strength, tensile strength and breaking strength of stainless steel during the tensile process are measured.
Non-Destructive Testing: Non-destructive testing is used to evaluate hidden defects, cracks and looseness in stainless steel materials. Common methods include ultrasonic testing, magnetic particle testing, eddy current testing, and radiographic testing.
Pressure Test: By exposing stainless steel products to a specific pressure, it is tested whether there are problems such as leakage or deformation to ensure that its pressure resistance meets the requirements.
Surface Quality Test: Used to evaluate the surface flatness, smoothness and oxide layer of stainless steel products.
Welding Performance Test: Check the appearance, mechanical properties and metallographic microstructure of the weld to ensure that the quality of the stainless steel welded joint meets the requirements.
Metallographic Inspection: Through metallographic inspection, the structure, grain size, non-metallic inclusions, etc. of stainless steel are checked to evaluate its quality and performance.

Ask Testing Services
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