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Buttweld Elbow
Curvature Radius:
Long Radius (LR): 1.5D (Smooth flow, reduced erosion).
Short Radius (SR): 1.0D (Compact design for tight spaces).
3D / 5D / 10D: For specialized pipeline projects.
Manufacturing Standards: ASME B16.9 (Standard), MSS-SP-75, EN10253, DIN 2605.
Size Range: 1/2" – 72" (DN15 – DN1800).
Wall Thickness: SCH 10, SCH 40, STD, SCH 80, SCH 160, SCH XXS.
Material Selection:
Carbon Steel: ASTM A234 WPB, WPC; ST37.
High-Yield: ASTM A860 WPHY 42/52/60/70.
Stainless Steel: ASTM A403 WP304/L, WP316/L, WP321.
Low-Temp: ASTM A420 WPL6.
End Finish: Precision Beveled Ends (per ASME B16.25) for high-integrity welding.
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Buttweld Elbow Manufacturer
Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd. specializes in high-performance buttweld elbow fabricating with over 40 a long time of industry ability. Our advanced 7,000 square meter office produces premium carbon steel, stainless steel. With yearly deals surpassing RMB 100 million and month to month shipments outperforming 50 holders, we convey dependable pipeline arrangements that meet ASTM/ASME, Commotion, JIS, and GOST benchmarks. Trusted by major vitality companies like NIOC, ADNOC, our items serve 30+ nations around the world with ensured quality and performance.
Buttweld Elbow Overview
Our products are precision-engineered pipeline components shaped through progressed hot squeezing or producing forms. These basic fittings give consistent directional changes in channeling frameworks through coordinate welding associations. Outlined for high-pressure and high-temperature applications, our elbows outflank attachment welded or strung choices in requesting mechanical environments.
Available in numerous precise arrangements counting 45°, 90°, and 180° alternatives, our elbows suit different liquid heading prerequisites. We moreover make specialized 60° and 120° elbows for one of a kind pipeline applications.
Key Features & Advantages
Raw Fabric Traceability: We source steel solely from Tier-1 plants like Baosteel and Tsingshan. Each elbow incorporates a 3.1 Process Test Certificate giving total chemical and mechanical traceability for your quality affirmation needs.
Precision Beveling: Progressed CNC machining guarantees reliable incline closes agreeing to ASME B16.25 benchmarks. This encourages speedier, more dependable welding operations for your on-site contractors.
Stringent Quality Control: Past standard visual review, we perform comprehensive Non-Destructive Testing counting Ultrasonic Testing and Attractive Molecule Review to distinguish inside abandons or surface cracks.
Uniform Divider Thickness: Our optimized hot-mandrel and cold-forming forms keep up predominant divider thickness consistency, particularly at the elbow's back—the most basic point in high-pressure environments.
Global Coordinations Encounter: We offer safe plywood case bundling with clear heat-number markings for effective stock management.
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 Types | Long Radius (LR): 1.5D; Short Radius (SR): 1D |
Standards & Certifications
- ISO 9001:2015 Quality Management System
- CE Marking Compliance
- GOST-R Certification
- ASTM/ASME Material Standards
- NACE MR0175/ISO 15156 for Sour Service Applications
Chemical Composition & Mechanical Properties
| Material Category | Grade | Key Properties |
|---|---|---|
| Carbon Steel | ASTM A234 WPB, WPC; ST37.2 | Excellent weldability, cost-effective |
| Stainless Steel | ASTM A403 WP304/304L, WP316/316L, 317, 321 | Corrosion resistance, high-temperature performance |
| Alloy Steel | ASTM A234 WP5, WP9, WP11, WP22, WP91 | Enhanced strength, creep resistance |
| Low-Temp Steel | ASTM A420 WPL6 | Superior low-temperature toughness |
Manufacturing Process
Our buttweld elbows undergo rigorous manufacturing processes:
- Material Selection: Premium steel sourcing from certified mills
- Hot Forming: Precision hot pressing or forging for optimal grain structure
- Heat Treatment: Controlled normalizing and tempering processes
- Machining: CNC beveling for perfect weld preparation
- Testing: Comprehensive NDT including UT and MPI
- Surface Treatment: Professional finishing according to specifications
Surface Finish & Coating Options
- Black Painting for standard applications
- Anti-rust Oil for temporary protection
- Hot-dip Galvanizing per ASTM A153
- Pickling/Passivation for stainless steel grades
- 3LPE or FBE coatings for specialized pipeline projects
Applications
Our buttweld elbow fittings serve diverse industries:
- Oil & Gas pipelines and refineries
- Chemical processing plants
- Power generation facilities
- Water treatment systems
- Marine and offshore platforms
- Industrial manufacturing
Packaging & Delivery
We ensure secure transportation through professional packaging:
- Seaworthy plywood cases for overseas shipment
- Pallet packaging with protective materials
- Clear heat-number marking for inventory tracking
- Customized packaging solutions available
Customization Service
Understanding that every project has unique requirements, we offer comprehensive customization services:
- Special degree angles for specific applications
- Custom wall thickness combinations
- Specialized material grades
- Unique coating requirements
- Sample orders and small batch trials
Quality Control
Quality remains our top priority throughout production:
- Incoming material inspection with spectrometer analysis
- Dimensional verification at each manufacturing stage
- Pressure testing capabilities
- Final inspection before shipment
- Complete documentation package with each order
FAQ
Q: What's the distinction between Long Sweep and Brief Sweep elbows?
A: Long Span elbows (1.5D) offer smoother stream with lower weight drop, whereas Brief Span elbows (1D) spare space but make higher grinding losses.
Q: How do you anticipate erosion amid ocean transit?
A: We apply high-grade mechanical coatings or anti-rust oil. For cruel situations, we prescribe Hot-Dip Galvanizing per ASTM A153.
Q: Can you give specialized coatings like 3LPE or FBE?
A: Yes, we supply elbows with inside or outside useful coatings to coordinate primary line pipe prerequisites for terminal pipeline projects.
Q: Do your items meet NACE standards?
A: For acrid benefit applications, our elbows meet NACE MR0175 prerequisites with total HIC and SSC testing documentation.
Contact Us
Ready to enhance your buttweld elbow project? Contact our experienced team at admin@jsfittings.com for professional consultation and competitive pricing today.
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