Long Radius Buttweld Elbow
Bending Angles: 45°, 90°, 180° (Custom degrees available).
Size Range: 1/2" – 72" (DN15 – DN1800).
Wall Thickness: SCH 10S, SCH 40, SCH 80, SCH 160, SCH XXS (Per ASME B16.9).
Manufacturing Standards: ASME B16.9, MSS-SP-75, EN10253, DIN 2605.
Material Grades:
Carbon Steel: ASTM A234 WPB (High-grade), WPC; ST37.
High-Yield Steel: ASTM A860 WPHY 42/52/60/65/70 (For high-pressure pipelines).
Stainless Steel: ASTM A403 WP304/304L, WP316/316L/316Ti.
Low-Temp Alloy: ASTM A420 WPL6.
End Finish: Precision Beveled Ends (per ASME B16.25) for high-quality welding.
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- Quality Assurance
- 24/7 Customer Service
Product Introduction
Long Radius Buttweld Elbow - Professional Manufacturing & Supply
Long Radius Buttweld Elbow Manufacturer
Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd. is a driving producer of premium long radius buttweld elbow arrangements with over 40 a long time of industry skill. Our state-of-the-art 7,000 square meter office produces high-quality elbows extending from 1/2" to 72", keeping up yearly deals surpassing RMB 100 million and month to month shipments outperforming 50 holders. We provide precision-engineered Long Sweep Buttweld Elbow items with 1.5D sweep ebb and flow, guaranteeing ideal stream characteristics and predominant execution for your basic pipeline ventures worldwide.
Long Radius Buttweld Elbow Overview
Our elbow speaks to the apex of pipeline fitting building. These premium fittings include a ebb and flow span of 1.5 times the ostensible pipe distance across, giving remarkable stream productivity and decreased weight drop compared to brief sweep alternatives.
Manufactured through progressed hot squeezing and fashioning forms, these elbows offer predominant quality and unwavering quality. The butt weld association strategy guarantees consistent integration with your pipeline framework, making them perfect for high-pressure and high-temperature applications over different industries.



Key Features & Advantages
Superior Flow Characteristics
- 1.5D radius design minimizes turbulence and pressure loss
- Optimized internal geometry for maximum efficiency
- Reduced erosion at direction changes
Premium Manufacturing Quality
- Raw material sourced from Tier-1 mills including Baosteel
- Complete 3.1 Mill Test Certificate (MTC) traceability
- Advanced CNC machining for precision bevel ends per ASME B16.25
Rigorous Quality Control
- Non-Destructive Testing including Ultrasonic and Magnetic Particle Inspection
- Uniform wall thickness through optimized forming processes
- ISO 9001 certified quality management system
Global Supply Capability
- Monthly shipment capacity exceeding 50 containers
- Seaworthy packaging with clear heat-number markings
- Comprehensive inventory management support
Technical Specifications
| Parameter | Specification |
|---|---|
| Standards | ASME/ANSI B16.9, MSS-SP-43, EN 10253, DIN 2605 |
| Size Range | Seamless: 1/2" – 24", Welded (ERW/EFW): up to 72" |
| Degree Options | 45°, 90°, 180° (Custom degrees available) |
| Wall Thickness | Schedule 10s, 20, 40, STD, 80, XS, 120, 160, XXS |
| Radius Type | Long Radius (1.5D) |
| Connection Type | Butt Weld |
| End Preparation | Beveled per ASME B16.25 |
Standards & Certifications
Our manufacturing processes comply with internationally recognized standards:
- ASME/ANSI B16.9 - Factory-made wrought butt welding fittings
- MSS-SP-43 - Wrought stainless steel butt-welding fittings
- EN 10253 - European standard for butt-welding pipe fittings
- DIN 2605 - German industrial standard
Quality certifications include ISO 9001, CE marking, and GOST-R compliance, ensuring global market acceptance.






Chemical Composition & Mechanical Properties
Carbon Steel (ASTM A234 WPB)
- Carbon: ≤0.30% | Manganese: 0.29-1.06%
- Phosphorus: ≤0.05% | Sulfur: ≤0.058%
- Tensile Strength: 415-585 MPa
- Yield Strength: ≥240 MPa
Stainless Steel (ASTM A403 WP316L)
- Carbon: ≤0.030% | Chromium: 16-18%
- Nickel: 10-14% | Molybdenum: 2-3%
- Tensile Strength: ≥485 MPa
- Yield Strength: ≥170 MPa
Alloy Steel (ASTM A234 WP11)
- Carbon: 0.05-0.15% | Chromium: 1.00-1.50%
- Molybdenum: 0.44-0.65%
- Tensile Strength: 415-585 MPa
Manufacturing Process
Our long radius buttweld elbow production follows stringent manufacturing protocols:
- Material Selection: Premium steel sourced from certified mills
- Hot Forming: Precise hot pressing with controlled temperature
- Heat Treatment: Normalized or solution annealed as required
- Machining: CNC beveling for perfect weld preparation
- Testing: Comprehensive NDT including UT and MPI
- Marking: Clear identification with heat numbers and specifications

Surface Finish & Coating OptionsStandard Finishes
- Black Painting: Industrial-grade lacquer protection
- Anti-rust Oil: Enhanced corrosion resistance for storage
- Pickling/Passivation: Stainless steel surface treatment
Specialized Coatings
- Hot-Dip Galvanizing: ASTM A153 compliance for severe environments
- 3LPE Coating: Three-layer polyethylene for buried pipelines
- FBE Coating: Fusion bonded epoxy for enhanced protection
Applications
Long radius buttweld elbow fittings serve basic capacities over numerous industries:
Oil & Gas Industry
- Upstream generation facilities
- Refinery handle lines
- Pipeline transmission systems
- Offshore stage installations
Power Generation
- Steam dissemination systems
- Cooling water circuits
- Fuel dealing with systems
Chemical Processing
- Process channeling networks
- High-temperature applications
- Corrosive liquid handling
Marine & Shipbuilding
- Cargo dealing with systems
- Ballast water lines
- Packaging & Delivery
Packaging & Delivery
We guarantee secure transportation with proficient bundling solutions:
- Seaworthy Plywood Cases: Weather-resistant protection
- Palletized Choices: Simple taking care of and stock management
- Individual Assurance: Plastic caps and wrapping for each fitting
- Clear Stamping: Warm numbers and details for traceability
Global coordinations encounter empowers dependable conveyance to over 30 nations worldwide.
Customization Service
Our building group gives comprehensive customization options:
- Special Measurements: Non-standard sizes and divider thicknesses
- Unique Points: Custom degree necessities past standard offerings
- Material Adjustments: Particular amalgam compositions
- Surface Medicines: Custom-made coating solutions
- Testing Necessities: Extra review protocols
Quality Control
Quality affirmation includes each generation stage:
Incoming Material Inspection
- Chemical composition verification
- Mechanical property testing
- Dimensional exactness checks
Process Monitoring
- Temperature control amid forming
- Continuous dimensional inspection
- Heat treatment verification
Final Testing
- Ultrasonic Testing: Inside imperfection detection
- Magnetic Molecule Assessment: Surface break identification
- Dimensional Confirmation: Compliance with drawing specifications
Our elbow items meet NACE MR0175/ISO 15156 prerequisites for acrid benefit applications when indicated.FAQ
Q1: What advantages do Long Radius elbows offer over Short Radius designs?
A: Long Radius elbows with 1.5D curvature provide significantly lower friction losses, reduced turbulence, and smoother flow characteristics. They minimize pressure drop and erosion, making them ideal for high-velocity applications.
Q2: How do you ensure corrosion resistance during overseas shipping?
A: We apply high-grade industrial coatings including specialized anti-rust oils. For harsh environments, we recommend hot-dip galvanizing per ASTM A153 or custom epoxy coatings.
Q3: Can you provide elbows meeting NACE requirements for sour service?
A: Yes, our elbow products can meet NACE MR0175 standards with HIC and SSC testing for H2S environments in oil and gas applications.
Q4: What wall thickness options are available for large diameter elbows?
A: We offer complete wall thickness ranges from Schedule 10s through XXS for sizes up to 72", with custom thicknesses available based on your project specifications.
Contact Us
Ready to enhance your pipeline system with premium long radius buttweld elbow solutions? Contact our expert team at admin@jsfittings.com for technical consultation and competitive quotations.
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