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Industrial Welded Pipe Fittings
Welded pipe fittings are critical pipeline connection components used in industrial piping systems requiring high strength, leak-proof performance, and long-term operational reliability. These fittings are designed to withstand extreme operating environments including high pressure, high temperature, corrosive media, and ultra-low cryogenic temperatures.
SHAANXI GOLD-STONE supplies premium welded fittings for global oil & gas transmission pipelines, refinery process systems, petrochemical facilities, LNG cryogenic pipelines, offshore engineering, and industrial process plants.
Manufactured from carbon steel, stainless steel, and nickel alloy materials, our welded fittings comply with international standards including ASTM, ASME, API, and ISO specifications, ensuring reliable performance for critical industrial applications.
High-Performance Fittings for Extreme Pipeline Conditions
Modern industrial pipeline systems often operate under demanding conditions such as:
· High internal pressure
· Elevated operating temperatures
· Corrosive chemical media
· Flammable and explosive fluids
· Cryogenic temperatures down to -162°C
· Continuous thermal and mechanical stress
SHAANXI GOLD-STONE welded fittings are engineered to maintain structural integrity, sealing reliability, and operational safety in these severe industrial environments.
Our fittings provide secure welded connections that minimize leakage risk and improve long-term pipeline stability.
Key Features of Welded Pipe Fittings
High Mechanical Strength
Manufactured using high-quality steel materials for superior pressure resistance and structural durability.
Leak-Proof Welded Connections
Butt-welded and socket-welded designs provide permanent sealing performance for critical industrial systems.
High-Temperature Resistance
Suitable for refinery process pipelines, steam systems, and high-temperature petrochemical applications.
Corrosion Resistance
Available in stainless steel and alloy materials for aggressive chemical and offshore environments.
LNG Cryogenic Compatibility
Special low-temperature materials support LNG pipeline systems operating at temperatures as low as -162°C.
Excellent Flow Performance
Smooth internal surfaces reduce turbulence and pressure loss in industrial process pipelines.
International Standard Compliance
Manufactured according to ASTM, ASME B16.9, ASME B16.11, API, and ISO standards.
Product Types of Welded Fittings
SHAANXI GOLD-STONE supplies a comprehensive range of welded pipeline fittings for industrial and energy applications.
Welded Elbows
Available in:
· 45° Elbows
· 90° Elbows
· 180° Return Bends
Features
· Smooth directional flow transition
· Reduced flow resistance
· High-pressure capability
· Suitable for cryogenic service
Applications
· Refinery pipelines
· LNG transfer lines
· Oil & gas transmission systems
· Industrial process piping
Welded Tees
Available in:
· Equal Tees
· Reducing Tees
Features
· Reliable branch pipeline connection
· Excellent pressure resistance
· Suitable for process distribution systems
Applications
· Oilfield gathering systems
· Chemical processing pipelines
· Industrial utility systems
Welded Reducers
Available in:
· Concentric Reducers
· Eccentric Reducers
Features
· Smooth pipe diameter transition
· Reduced flow disturbance
· Suitable for high-pressure systems
Applications
· Pump suction pipelines
· Process piping systems
· LNG cryogenic pipelines
Pipe Caps & Plugs
Features
· Reliable pipeline end closure
· Strong sealing performance
· Pressure-resistant structure
Applications
· Pipeline isolation systems
· Pressure testing
· Refinery process lines
· LNG storage systems
Stub Ends & Flange Connections
Features
· Secure equipment connection
· Easy maintenance and dismantling
· Suitable for high-pressure industrial systems
Applications
· Valve connections
· Pump systems
· Pressure vessels
· Offshore pipeline systems
Material Options
Different industrial operating environments require specialized materials to ensure long-term reliability.
Carbon Steel Fittings
Features
· High structural strength
· Cost-effective pipeline solution
· Suitable for oil, gas, and industrial service
Common Grades
· ASTM A234 WPB
· API pipeline grades
· Low-temperature carbon steel
Stainless Steel Fittings
Features
· Excellent corrosion resistance
· High-temperature capability
· Suitable for chemical and offshore applications
Common Grades
· ASTM A403 WP304/304L
· ASTM A403 WP316/316L
· Duplex stainless steel
Nickel Alloy Fittings
Features
· Superior corrosion resistance
· Excellent high-temperature stability
· Suitable for severe chemical environments
Applications
· LNG cryogenic systems
· Offshore engineering
· Chemical processing plants
Technical Specifications
Item |
Specification |
Product Type |
Welded Pipe Fittings |
Connection Type |
Butt Weld / Socket Weld |
Size Range |
DN15 – DN600 |
Materials |
Carbon Steel / Stainless Steel / Nickel Alloy |
Standards |
ASTM / ASME / API / ISO |
Temperature Capability |
Down to -162°C |
Pressure Service |
High Pressure Applications |
Applications |
Oil & Gas / LNG / Refinery / Petrochemical |
LNG Cryogenic Pipeline Applications
LNG pipeline systems operate at extremely low temperatures around -162°C, requiring specialized cryogenic materials and welding performance.
SHAANXI GOLD-STONE cryogenic welded fittings provide:
· Excellent low-temperature toughness
· Reliable sealing stability
· Resistance to thermal contraction
· Safe LNG transfer performance
· Long-term cryogenic durability
These fittings are widely used in:
· LNG storage terminals
· LNG transportation pipelines
· LNG regasification facilities
· Cryogenic process systems
Applications of Welded Pipe Fittings
Our welded fittings are widely used in critical industrial systems including:
Long-Distance Transmission Pipelines
Oil, gas, water, and energy transportation pipelines requiring high structural integrity.
Oilfield Gathering Systems
Pipelines connecting wellheads, separators, and storage facilities under high pressure and corrosive conditions.
Refinery & Petrochemical Process Piping
High-temperature and high-pressure process systems in chemical and refining facilities.
LNG Cryogenic Pipelines
Ultra-low temperature LNG transfer, storage, and distribution systems.
Offshore & Marine Engineering
Corrosion-resistant piping systems for offshore platforms and marine facilities.
Industrial Utility Systems
Steam, cooling water, compressed air, and industrial fluid transportation systems.
Quality Control & Inspection
SHAANXI GOLD-STONE maintains strict quality control throughout production and export processes.
Inspection Services Include
· Chemical composition analysis
· Mechanical property testing
· Hydrostatic testing
· Ultrasonic testing (UT)
· Radiographic testing (RT)
· Dimensional inspection
· PMI testing
· Cryogenic impact testing
All products comply with international industrial standards and project specifications.
Why Choose SHAANXI GOLD-STONE
SHAANXI GOLD-STONE specializes in industrial pipeline products and welded piping solutions for global industrial markets.
Our Advantages
· Professional welded fitting manufacturing
· International standard production
· LNG cryogenic application expertise
· Strict quality inspection system
· Custom manufacturing capability
· Reliable export experience
· Competitive global pricing
· Fast delivery support
We provide durable and high-performance pipeline solutions for oil & gas, LNG, petrochemical, offshore, and industrial engineering projects worldwide.
Request a Quote Today
Looking for reliable welded fittings for high-pressure pipelines, refinery systems, offshore engineering, or LNG cryogenic applications?
SHAANXI GOLD-STONE provides:
· Custom sizes and materials
· High-pressure welded fittings
· LNG cryogenic pipeline fittings
· Fast international delivery
· OEM & project support
Contact us today for professional pipeline solutions and competitive quotations.
Send Inquiry to This Supplier
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