Stainless Steel Buttweld Fitting
Available Grades:
Standard: SS304/304L (General corrosion resistance).
Marine/Chemical: SS316/316L (High chloride & acid resistance).
High-Temp/Special: SS321, SS316Ti, 310S, 904L.
Duplex Steel: S31803, S32205, S32750.
Product Range:
Elbows: 45°, 90°, 180° (LR & SR)
Tees: Equal & Reducing Tees
Reducers: Concentric & Eccentric Reducers
Others: Pipe Caps, Stub Ends (Lap Joints).
Size Range: 1/2" – 48" (DN15 – DN1200).
Wall Thickness: SCH 5S, 10S, 40S, 80S (Per ASME B36.19).
Surface Finish: Pickled & Annealed, Sandblasted, or Mirror Polished (per request).
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Stainless Steel Buttweld Fitting
Stainless Steel Buttweld Fitting Manufacturer
Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd. stands as your trusted stainless steel buttweld fitting master with over 40 a long time of fabricating fabulousness. Our state-of-the-art 7,000 square meter office produces premium buttweld fittings with yearly deals surpassing RMB 100 million and month to month shipments outperforming 50 holders. We keep up comprehensive item lines counting elbows, tees, reducers, caps, crosses, and stub closes extending from 1/2" to 36"+. Our progressed fabricating guarantees zero defilement generation and full arrangement tempering for predominant erosion resistance in requesting applications.
Stainless Steel Buttweld Fitting Overview
Our comprehensive extend of products speaks to the apex of pipeline component building. Each fitting experiences accuracy CNC beveling to accomplish steady 37.5° weld inclines, guaranteeing ideal fit-up and root entrance amid establishment. We specialize in both standard and dual-certified grades, advertising 304/304L and 316/316L alternatives to meet your particular venture prerequisites whereas decreasing stock costs.
Our fabricating prepare joins full arrangement strengthening taken after by quick water extinguishing. This basic step reestablishes erosion resistance close weld zones and kills inside stresses. Each fitting gets chemical pickling and passivation treatment, making a uniform defensive chromium-oxide layer that keeps up rust-free execution in marine and chemical environments.
elbow/Bending
Tee
Reducer
Key Features & Advantages
Full Arrangement Toughening Prepare: Our fittings experience total arrangement toughening with fast water extinguishing, not at all like low-cost options. This prepare dispenses with chromium carbide precipitation and reestablishes full erosion resistance properties.
Zero Defilement Fabricating: We keep up entirely isolated generation lines for stainless steel, anticipating carbon defilement that causes localized rusting in pipeline systems.
Precision CNC Beveling: Computer-controlled machining produces reliable 37.5° weld slopes for quicker establishment and predominant weld quality.
Dual Certification Choices: Our 304/304L and 316/316L dual-certified items meet both standard review quality necessities and low-carbon determinations for upgraded weldability.
Complete Surface Treatment: Each fitting gets pickling and passivation treatment, making uniform defensive layers for cruel environment performance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Types | Caps, Crosses, Elbows, Reducers, Stub Ends, Tees |
| Size Range | 1/2" - 36"+ |
| Schedule | S/5S - XXH |
| Wall Thickness | SCH 5S to SCH XXH |
| Pressure Rating | 150 PSI to 2500 PSI |
| Temperature Range | -196°C to +800°C |
| End Connection | Butt Weld |
| Bevel Angle | 37.5° ± 2.5° |
Standards & Certifications
Our stainless steel buttweld fitting products comply with multiple international standards:
- ASME B16.9 - Factory-made wrought buttwelding fittings
- ASTM A403 - Wrought austenitic stainless steel piping fittings
- DIN 2617 - Welding fittings for pressure purposes
- JIS B2313 - Stainless steel butt-welding pipe fittings
- GOST 17378 - Steel welding fittings
Quality certifications include ISO 9001, CE marking, and GOST-R compliance, ensuring reliability for international projects.
Chemical Composition & Mechanical Properties
| Grade | Carbon (%) | Chromium (%) | Nickel (%) | Molybdenum (%) | Tensile Strength (MPa) |
|---|---|---|---|---|---|
| 304L | ≤0.030 | 18.0-20.0 | 8.0-12.0 | - | ≥485 |
| 316L | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | ≥485 |
| 321 | ≤0.080 | 17.0-19.0 | 9.0-12.0 | - | ≥515 |
| 2205 | ≤0.030 | 22.0-23.0 | 4.5-6.5 | 3.0-3.5 | ≥620 |
Manufacturing Process
Our advanced manufacturing process ensures consistent quality and performance:
- Material Inspection: Incoming stainless steel receives spectrometric analysis
- Precision Forming: Hot forming using specialized dies and mandrels
- Solution Annealing: Controlled heating to 1050°C followed by rapid water quenching
- CNC Beveling: Computer-controlled machining for precise weld preparation
- Surface Treatment: Chemical pickling and passivation for corrosion resistance
- Quality Testing: 100% dimensional inspection and non-destructive testing
Surface Finish & Coating Options
- Standard Finish: Pickled and passivated surface (Ra ≤ 6.3μm)
- Polished Finish: 180 grit to 320 grit mechanical polishing
- Electropolished: Enhanced corrosion resistance for pharmaceutical applications
- Special Coatings: PTFE lining for chemical resistance upon request
Applications
Our products serve critical applications across multiple industries:
Oil & Gas: Offshore platforms, refineries, and petrochemical processing
Chemical Processing: Corrosive media handling and high-purity systems
Food & Beverage: Sanitary piping systems and processing equipment
Marine: Seawater systems and shipbuilding applications
Pharmaceutical: High-purity process piping and clean utilities
Power Generation: Steam systems and cooling water circuits
Packaging & Delivery
We guarantee item keenness amid transportation through cautious bundling conventions. Each stainless steel buttweld fitting gets person polybag security some time recently situation in strengthened plywood cases. This avoids surface harm and dampness presentation amid ocean travel. Standard conveyance timeframes extend from 15-30 days depending on arrange complexity and amount requirements.
Customization Service
Our building group gives comprehensive customization arrangements for one of a kind venture prerequisites. We suit uncommon measurements, elective materials counting Duplex 2205 and Super Duplex 2507, and adjusted weight appraisals. Custom beveling points and specialized surface medications are accessible upon ask to meet particular establishment or operational conditions.
Quality Control
Every fitting experiences thorough quality control strategies including:
- Material Confirmation: PMI testing and process certificate validation
- Dimensional Review: 100% estimation confirmation per ASME B16.9
- Non-Destructive Testing: Fluid penetrant and ultrasonic inspection
- Pressure Testing: Hydrostatic testing when specified
- Surface Quality: Visual review and unpleasantness measurement
FAQ
Q: What recognizes 304L from 316L buttweld fittings?
A: 316L contains molybdenum for prevalent chloride and setting erosion resistance, perfect for seawater applications. 304L works well for common food-grade and chemical applications without extraordinary salt exposure.
Q: Why is arrangement strengthening basic for stainless steel fittings?
A: Arrangement strengthening avoids sensitization by dissolving chromium carbides that frame amid warming, keeping up full erosion resistance properties all through the fitting.
Q: Do you supply Duplex and Super Duplex fittings?
A: Yes, we fabricate Duplex 2205 and Super Duplex 2507 fittings for high-pressure, high-chloride situations like desalination and seaward applications.
Q: How do you guarantee ASME B16.9 compliance?
A: We perform 100% dimensional assessments checking external breadth, divider thickness, and center-to-end measurements to guarantee idealize arrangement with coordinating pipe frameworks.
Contact Us
Ready to source premium stainless steel buttweld fitting solutions? Contact our expert team at admin@jsfittings.com for technical specifications, competitive pricing, and delivery schedules.
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