professional stainless steel Bar Supplier

Gnee is a leading ISO certified stainless Bar supplier, manufacturer, exporter, manufacturer, wholesaler, distributor.We are committed to providing high-quality stainless steel products to regions in Africa, the Middle East, Asia and Latin America, such as South Africa, Nigeria, Kenya, Egypt, Saudi Arabia, the United Arab Emirates, Qatar, Iran, Mexico, Russia and more than 70 countries. Our bars come in various forms and sizes, including round bars, square bars, hexagonal bars, flat bars, etc., and can be customized according to customer needs. Not limited to the following bar types, welcome to send us a quote!

Hot Sale Stainless Steel Rod With Large Stock
Stainless Steel Bar Grade Information
  • AISI 304 (UNS S30400, EN 1.4301)
  • AISI 304L (UNS S30403, EN 1.4307)
  • AISI 316 (UNS S31600, EN 1.4401)
  • AISI 316L (UNS S31603, EN 1.4404)
  • AISI 317 (UNS S31700, EN 1.4449)
  • AISI 317L (UNS S31703, EN 1.4438)
  • AISI 310 (UNS S31000, EN 1.4841)
  • AISI 310S (UNS S31008, EN 1.4845)
  • AISI 321 (UNS S32100, EN 1.4541)
  • AISI 347 (UNS S34700, EN 1.4550)
  • AISI 410 (UNS S41000, EN 1.4006)
  • AISI 420 (UNS S42000, EN 1.4021)
  • AISI 430 (UNS S43000, EN 1.4016)
  • AISI 440C (UNS S44004, EN 1.4125)
  • AISI 630 (UNS S17400, EN 1.4542)
ASTM/ASME StandardASTM A276, ASTM A479, ASTM A582, ASM SA276
ASTM A276This standard specifies the requirements for stainless steel bars and shapes for use in corrosive and high-temperature environments.
ASTM A479This standard provides the requirements for stainless steel bars and shapes for use in pressure vessel and general applications.
ASTM A582This standard specifies the requirements for free-machining stainless steel bars, including hot-finished or cold-finished rounds, squares, hexagons, and octagons.
ASME SA276This is the ASME equivalent of ASTM A276 and provides the requirements for stainless steel bars for use in pressure vessel and general applications.
Stainless Steel Bars factory direct sales

Gnee factory has the largest inventory of stainless steel bars/rods at its warehouse in Tianjin, China headquarters. It’s Widely used in oil and gas, the chemical industry, ships and other fields that require high corrosion resistance, strength and other complex environments.

Standard Types Provided:
  • SUS
  • UNS
  • ASTM
  • JIS
  • SAE
  • AISI
  • BSEN
  • DIN
  • ASME

Round Bar
Diameter: 1mm~500mm
Square Bar
Size: 1mm1mm~800mm800mm
Hexagonal Bar
Size: 2mm~100mm

Length: 2m, 5.8m, 6m, or as required.

  • Cutting
  • Welding
  • Bevel Cut
  • Uncoiling
  • Thread
  • Punching
  • Annealed Pickling Bend
  • Surface Treatment
  • Forming
  • Bending
  • Heat Treatment
  • Non-destructive Testing
  • Bright Annealed
  • Cold Treatment
  • Hot Extruding
  • Solid Solution
Product NameStainless Steel Bar, Stainless Steel Rod
TypesCorrosion-Resistant Stainless Steel Bar
High-Temperature Stainless Steel Bar
Structural Stainless Steel Bar
Non-Magnetic Stainless Steel Bar
Heat-Conducting Stainless Steel Bar
Wear-Resistant Stainless Steel Bar
Acid and Alkali Resistant Stainless Steel Bar
FormsStainless Steel Round Bar, Hexagonal Rod, Square Rod, Flat Bar
Surface TreatmentBlack, bright, rough turned, grinding, centreless ground etc.
TechniqueHot rolled, cold rolled, cold drawn, forged
Testing and Third-Party InspectionSupports flaw detection, eddy current testing, hydraulic testing or ultrasonic testing, non-destructive testing, corrosion resistance testing, etc.
CertificationSGS ISO MTC CE BV
ApplicationConstruction, decoration, Industry, Mechineal, shipbuilding, etc.
  • Construction and Architecture
  • Marine and Offshore
  • Industrial Equipment and Machinery
  • Food Processing and Catering
  • Automotive and Transportation
  • Medical and Pharmaceutical
  • Energy and Power Generation
  • Aerospace and Aircraft
Why Choose Gnee Stainless Steel Bar Company?

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 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 Rod/Bar?

One of the primary advantages of stainless steel bars is their excellent corrosion resistance. Stainless steel contains a minimum of 10.5% chromium, which forms a passive oxide layer on the surface, protecting it from corrosion and making it resistant to oxidation, rust, and staining. This corrosion resistance allows stainless steel bars to withstand exposure to a wide range of corrosive environments, including acids, alkaline solutions, saltwater, and atmospheric conditions.

Stainless steel bars exhibit high strength and durability, making them suitable for applications requiring structural integrity and load-bearing capacity. The addition of alloying elements such as nickel, molybdenum, and titanium enhances the strength and toughness of stainless steel bars, enabling them to withstand heavy loads, impact, and harsh operating conditions.

Stainless steel bars offer excellent heat resistance, allowing them to maintain their mechanical properties and structural integrity even at high temperatures. They can withstand both high and low temperature extremes without significant deformation, scaling, or loss of strength, making them suitable for applications involving heat treatment, elevated temperatures, and thermal cycles.

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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