404 Stainless Steel

404 Stainless Steel

Gnee Stainless Steel provides high-quality 404 stainless steel, which is widely used in aerospace, oil and gas, and industrial machinery due to its high carbon content and excellent hardness and strength. Our processing services cover mechanical cutting, welding and heat treatment, and advanced equipment and professional technical teams ensure product accuracy and performance. We have sufficient inventory and efficient delivery capabilities to respond quickly to customer needs.

We support customized solutions to meet special dimensions and specific processing requirements, and have obtained international certifications such as ISO and ASTM to ensure that product quality meets global standards. Ask us for a free quote!

  • Plate/Pipe/Bar/Coil/Flange/Fittings/Strip
  • High Carbon/High Temperature Resistance
  • Support Customize Size & Shapes
  • Free sample
  • AISI 404/UNS S40400/EN 1.4003/JIS SUS 404/DIN X2CrNi12
  • High Strength/Hardness
  • ASTM/ASME/ISO Certification
  • Large Stock
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Different Types Of 404 Stainless Steel

Gnee is a manufacturer, supplier, wholesaler, distributor, trader, stockist, and exporter of 404 Stainless Steel. We produce high quality 404 Steel to ISO standards in a wide range of grades, available in a variety of sizes, not limited to the following types, customized to your specific needs, Welcome to contact us for a quotation!
More information about 404 Steel Metal
Gnee’s 404 Steel has been successfully exported to many countries, including Egypt, Kenya, Croatia, Kuwait, Oman, Russia, Azerbaijan, Kyrgyzstan, Singapore, Mexico, Venezuela, Turkey, India and more than 70 countries. Our professional team will provide you with the best solutions to ensure that you get products and services that meet your expectations!
Product Name404 Stainless Steel
Standard SpecificationASTM, DIN, SUS, AISI, SAE, ANSI, ASME, EN, JIS, BS, GB, UNS
TypePlates/Sheets/Coils/Strips/Round Bars/Square Bars/Flat Bars/Wires/Seamless Pipes/Welded Pipes/Angles/I-Beams/Channels
ASTM Standard SpecificationsASTM A240/A240M, ASTM A480/A480M, ASTM A666, ASTM A276, ASTM A484/A484M, ASTM A582/A582M, ASTM A959
Test CertificateUnder Third-Party Inspection
Manufacturer Test Certificate
Customized ServicesSupport Customization
Packaging DetailsStandard Export Seaworthy Packing Or As Required
Oil and Chemical Industry-Pipelines
-Chemical Tanks
-Heat Exchangers
-Valves and Pumps
Medical Devices and Pharmaceutical Industry-Surgical Instruments
-Medical Equipment
-Pharmaceutical Manufacturing
Food Processing and Catering Industry-Food Processing Equipment
-Kitchenware
-Food Storage
Architecture and Decorative Applications-Building Construction
-Interior Design
-Decorative Artwork
Automotive Industry-Exhaust Systems
-Automotive Trim and Accents
Electronics and Electrical Industry-Electrical Connectors
-Electronic Enclosures
Parameters Of 404 Stainless Steel
ElementContent (%)
Iron, FeBalance
Chromium, Cr11-12.5
Nickel, Ni1.25-2
Manganese, Mn1
Silicon, Si0.5
Carbon, C0.05
Phosphorous, P0.03
Sulfur, S0.03
PropertiesMetricImperial
Tensile strength1120 MPa162442 psi
Yield strength910 MPa131984 psi
Elastic modulus190-210 GPa27557 – 30458 ksi
Poisson’s ratio0.27-0.300.27-0.30
Elongation at break0.150.15
Reduction of area0.50.5
Hardness3535

What Is 404 Stainless Steel?

404 stainless steel is a high carbon martensitic stainless steel, the main components of which include iron, chromium and carbon. It has high strength, good corrosion resistance and mechanical properties. It is suitable for high-demand fields such as aerospace, oil and gas, and industrial machinery.

It has good machinability and is suitable for low-speed and high-feed machining; it has good welding performance, but requires preheating and post-heat treatment; the hot working temperature range is 1700°F to 2000°F, and annealing is required after cold working to restore performance. Its corrosion resistance is excellent in mild environments, but caution should be exercised in high chloride environments. 404 stainless steel performs well in high temperature and high pressure applications and is an ideal material for high strength and heat resistance requirements.

404 STAINLESS STEEL COIL
Why Choose Gnee 404 Stainless Steel Manufacturer?

Gnee, as a Chinese stainless steel & nickel alloy supplier with 15 years of history, exports to 60+ countries. We provide various shapes of stainless steel & nickel alloy, 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 steel plate 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.

CERTIFICATE
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What‘s The Feature Of Grade 404 Steel?

404 Stainless Steel exhibits excellent corrosion resistance, making it suitable for various environments. It resists corrosion from a wide range of chemicals, including acids, alkalis, and organic compounds. This corrosion resistance ensures the longevity and durability of the material in demanding applications.

404 Stainless Steel possesses good mechanical strength, allowing it to withstand high-stress environments. It offers sufficient strength for structural applications and can handle heavy loads without deformation or failure.

This stainless steel grade has high heat resistance, enabling it to maintain its structural integrity and mechanical properties at elevated temperatures. It resists scaling and retains its strength, making it suitable for applications involving high temperatures, such as exhaust systems and heat exchangers.

404 Stainless Steel exhibits good resistance to wear and abrasion. It can withstand friction and contact with abrasive materials without significant damage, making it suitable for applications where mechanical wear is a concern.

404 Stainless Steel is ferromagnetic, meaning it exhibits magnetic properties. This feature makes it suitable for applications where magnetic properties are desired, such as in electromagnetic devices, transformers, and magnetic assemblies.

404 Stainless Steel is readily fabricated using common manufacturing techniques such as welding, machining, and forming. It can be easily welded using common welding methods, allowing for the creation of complex structures and components.

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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