Stainless Steel Caps

Stainless Steel Caps

Stainless steel covers are important components used in various industries, especially in piping systems. These caps are designed to cover the open ends of pipes, providing protection and sealing, and are used in the oil and gas industry, chemical processing plants, etc.

Gnee stainless steel pipe caps are available in different sizes, shapes and designs to suit various pipe sizes and requirements. Such as commonly used 304, 316 or 316L, these stainless steels have excellent resistance to corrosion, including chemicals, acids and high temperature conditions.

  • Hot-Selling Grade: 304/304L/316/316L/321/310/904/2205, etc.
  • Welded Caps, Threaded Caps, Socket Weld Caps, Butt Weld Caps
  • Service: support customization/processing/third-party testing
  • Free samples, welcome to consult!
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Stainless Steel Caps Supplier Provides Rich Forms

Gnee is a leading ISO certified Stainless Steel Caps supplier, manufacturer, exporter, manufacturer, wholesaler, distributor in China. We offer superior quality Stainless Caps and manufactured as per the highest industry standards. With prompt delivery, professional technical support and competitive pricing, our Stainless Caps Fittings are available in a variety of grades and sizes and can be customized to your exact requirements. Gnee is your reliable partner to meet your stainless caps fittings needs, welcome to contact us!

Stainless Steel Caps Fittings Grade Information
  • 304 (UNS S30400, EN 1.4301)
  • 304L (UNS S30403, EN 1.4307)
  • 316 (UNS S31600, EN 1.4401)
  • 316L (UNS S31603, EN 1.4404)
  • 316Ti (UNS S31635, EN 1.4571)
  • 321 (UNS S32100, EN 1.4541)
  • 347 (UNS S34700, EN 1.4550)
  • 310 (UNS S31000, EN 1.4845)
  • 904L (UNS N08904, EN 1.4539)
  • 2205 (UNS S32205, EN 1.4462)
Standard SpecificationASTM A403/A403M, ASTM A815/A815M, ASTM A774/A774M, ASTM A182/A182M
ASME B16.9; ANSI B16.8; MSS-SP-43
ASTM A403/A403MThis standard covers the standard specification for wrought austenitic stainless steel piping fittings, including caps.
ASTM A815/A815MThis standard provides the requirements for butt-welding pipe fittings, including caps, made from duplex (austenitic-ferritic) stainless steel.
ASTM A774/A774MThis standard specifies the requirements for welded stainless steel fittings, including caps, for use in industrial and general corrosive service.
ASTM A182/A182MThis standard applies to forged or rolled alloy and stainless steel pipe fittings, including caps, for high-temperature and high-pressure applications.
Product NameStainless Steel Cap Fittings
Size1/2″ – 36″Support Customization
ScheduleSCH5,  SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160,  SCH XXS, etc.
StandardASTM A403/A403M, ASTM A815/A815M, ASTM A774/A774M, ASTM A182/A182MASME B16.9; ANSI B16.8; MSS-SP-43
Customized ServicesSupport customization
Delivery Time7 days for stock goods
Packaging DetailsStandard export seaworthy packing or as required
Loading PortShanghai, Tianjin, Qingdao
Offer Ability3000MT/Per Month

Gnee Stainless Steel Crosses Quality Assurance (Destructive And Non-Destructive Testing)

  • Chemical Composition Testing
  • Laboratory Analysis
  • Appearance Size Test
  • Hardness Test
  • Mechanical Property Testing, Such As Tensile Strength, Yield Strength, Elongation And Other Performance Indicators
  • Pitting Corrosion Protection Test
  • Surface Quality Inspection
  • Penetration Test
  • Corrosion Resistance Testing
  • Intergranular Corrosion Test
  • Packaging Inspection
  • Roughness Test
  • Impact Analysis
  • Metallographic Experimental Test
  • Piping Systems
  • Plumbing Systems
  • Process Industries
  • Petrochemical Industry
  • Water Treatment Facilities
  • Construction and Infrastructure
  • Marine and Offshore Applications
  • Food and Beverage Industry
Why Choose Gnee Stainless Steel Caps 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 Caps Fittings?

Stainless Steel Caps are made from corrosion-resistant stainless steel alloys, such as 304 or 316 grades. This inherent corrosion resistance allows the caps to withstand exposure to corrosive substances, harsh environments, and extreme temperatures, ensuring long-lasting performance and preventing deterioration.

Stainless Steel Caps are known for their exceptional durability and strength. They are resistant to mechanical stress, impacts, and deformation, providing reliable protection and sealing for pipe ends even under high-pressure conditions. Their robust construction ensures a longer service life and minimizes the need for frequent replacements.

Stainless Steel Caps can withstand elevated temperatures encountered in various industrial processes. They are designed and manufactured to maintain their structural integrity and sealing properties even at high temperatures, making them suitable for applications in heat-intensive industries such as chemical processing and power generation.

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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