Stainless steel 316L Flanged Pipe Spools
316L Stainless Steel Fabricated Flanged Pipe Spool Supplier
Stainless Steel 316L Flanged Pipe Spools are prefabricated piping assemblies designed for fast installation and reliable performance in industrial systems.
We are a professional China manufacturer of 316L fabricated pipe spools, supplying high-quality flanged pipe spool assemblies for marine, oil & gas, chemical, and power industries worldwide.
What is a Flanged Pipe Spool?
A flanged pipe spool is a prefabricated piping section that includes pipes, flanges, fittings, and other components, assembled in a workshop and delivered ready for installation.
This modular design significantly reduces on-site welding and improves installation efficiency.
Components of 316L Pipe Spools
A typical stainless steel 316L pipe spool assembly includes:
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Pipe: ASTM A312 TP316 / 316L
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Fittings: ASTM A403 WP316 / 316L (elbows, tees, reducers)
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Flanges: ASTM A182 F316 / 316L
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Weld Neck Flange
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Slip-On Flange
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Reinforcements and support attachments
Material equivalent: EN 1.4404 / UNS S31603
316L Flanged Pipe Spool Specification
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Diameter: DN15 – DN1200 (1/2″ – 48″)
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Pressure Class: 150 / 300 / 600 / 900 / 1500 / 2500
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Length: Custom as per drawings
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Flange Type: RF / FF / RTJ
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Standards: ASME / DIN / EN 1092-1
316L Pipe Spool Fabrication Process
Our stainless steel pipe spool fabrication is carried out under strict quality control:
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Raw material inspection (ASTM standards)
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Cutting and beveling
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Welding (TIG / MIG / SAW)
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NDT testing (RT / UT / PT)
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Dimensional inspection
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Pickling and passivation
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Final inspection and marking
Ensures high precision and long service life
Inspection & Testing of Pipe Spools
We perform comprehensive testing to guarantee quality:
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PMI (Positive Material Identification)
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Hydrostatic testing
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Radiographic testing (RT)
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Ultrasonic testing (UT)
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Dye penetrant testing (PT)
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Visual and dimensional inspection
Benefits of Flanged Pipe Spools
Prefabrication
Manufactured in controlled workshop conditions for higher quality.
Easy Installation
Reduced on-site welding and assembly time.
Cost Savings
Lower labor cost and fewer installation errors.
Consistency
Better dimensional accuracy and repeatability.
Safety
Reduced on-site risk during construction.
Customized 316L Pipe Spool Fabrication
We offer custom stainless steel pipe spool fabrication based on:
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Isometric drawings
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Project specifications
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Client requirements
Fully tailored solutions for your piping systems
Packing & Delivery
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Wooden cases / pallets
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End protection caps
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Export standard packaging
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Full marking and traceability
Applications of 316L Flanged Pipe Spools
Marine & Shipbuilding
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Seawater piping systems
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Ship pipeline modules
Oil & Gas Industry
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Offshore platforms
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Process piping systems
Chemical & Petrochemical
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Corrosive media pipelines
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Processing plants
Power & Water Treatment
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Cooling systems
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Industrial piping networks
316L vs 304 Pipe Spool
| Property | 316L | 304 |
|---|---|---|
| Corrosion Resistance | Excellent (marine/chemical) | Good |
| Cost | Higher | Lower |
| Application | Harsh environments | General use |
316L is preferred for marine and chemical applications
Typical Pipe Spool Structure
A standard pipe spool includes:
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Pipe length (L)
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Flange connections
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Weld joints
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Fittings (if required)
Designed according to project drawings for precise installation
Related Products
Frequently Asked Questions (FAQ)
Q1: What is a pipe spool?
A: A pipe spool is a prefabricated piping section including pipe, flanges, and fittings, ready for installation.
Q2: Why use flanged pipe spools?
A: They allow faster installation, easy maintenance, and reduced labor cost.
Q3: Why choose 316L stainless steel?
A: 316L offers superior corrosion resistance, especially in marine and chemical environments.
Q4: Can pipe spools be customized?
A: Yes, we provide fully customized fabrication based on drawings and specifications.
