Stainless Steel Butt Weld

Stainless Steel Butt Weld

Stainless steel butt weld joints are important components in piping systems that require permanent and leak-proof connections. These fittings are specifically designed to join stainless steel pipes through a butt welding process, ensuring a strong and seamless connection. They are commonly used in industries such as oil and gas, chemical processing, pharmaceuticals, and water treatment, where the integrity of the pipeline system is critical.

Gnee produces stainless steel butt weld joints that meet ASTM and ASME standards and are manufactured from high-quality stainless steel materials, such as 304 or 316 stainless steel, with excellent corrosion resistance, durability and hygienic properties. With precise dimensions and precise tolerances, our stainless steel butt weld joints ensure a tight and secure fit, minimizing the risk of leakage or contamination in critical applications.

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

Gnee is a leading ISO certified Stainless Steel Butt Weld supplier, manufacturer, exporter, manufacturer, wholesaler, distributor in China. We offer superior quality Stainless Butt Weld and manufactured as per the highest industry standards. With prompt delivery, professional technical support and competitive pricing, our Stainless Butt Weld 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 butt weld fittings needs, welcome to contact us!

Stainless Steel Butt Weld 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, ASME B16.28
ASTM A403/A403MThis standard covers the requirements for wrought austenitic stainless steel fittings, including butt weld fittings.
ASTM A815/A815MThis standard pertains to butt-welding pipe fittings made from duplex (austenitic-ferritic) stainless steels.
ASTM A774/A774MThis standard outlines the requirements for welded austenitic stainless steel fittings, including butt weld fittings, for general corrosive service.
ASTM A182/A182MThis standard focuses on forged or rolled alloy and stainless steel pipe fittings, including butt weld fittings, for high-temperature and high-pressure applications.
Product NameStainless Steel Butt Weld Fittings
TypeCaps / Crosses / Elbows / Reducers / Stub Ends / Tees
Size1/2″ – 36″
Support Customization
ScheduleSCH5,  SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160,  SCH XXS, etc.
MaterialStainless Steel, Nickel Alloy, Duplex Steel, Super Duplex Steel
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
  • Petrochemical Industry
  • Chemical Industry
  • Pharmaceutical Industry
  • Water Treatment and Desalination
  • Power Generation
  • Oil and Gas Industry
  • Food and Beverage Industry
Why Choose Gnee Stainless Steel Butt Weld 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 Butt Weld Fittings?

Stainless Steel Butt Weld fittings are manufactured using high-quality stainless steel materials, providing excellent strength and durability. They can withstand high-pressure and high-temperature conditions, ensuring the integrity and longevity of the piping systems.

Butt Weld fittings offer secure and leak-free connections due to their welded construction. The welding process creates a strong and permanent bond between the fitting and the pipe, eliminating the risk of leakage and ensuring a reliable flow of fluids.

Stainless Steel Butt Weld fittings are highly resistant to corrosion, making them suitable for applications in corrosive environments. They are made from stainless steel alloys, such as AISI 304 and AISI 316, which provide exceptional resistance to a wide range of chemicals, acids, and corrosive substances.

Butt Weld fittings made from stainless steel alloys exhibit excellent heat resistance. They can withstand elevated temperatures without any degradation in performance, making them suitable for applications that involve hot fluids or high-temperature processes.

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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