304 Stainless Steel 90 Degree Street Elbow
2.ASTM-grade SS304 offers excellent corrosion resistance .
3.Male-female thread design suits varied connection needs .
4.CNC machined taper threads achieve reliable sealing .
5.Smooth inner wall effectively reduces fluid resistance .
6.Integral forging structure is sturdy and pressure-resistant .
7.Supports NPT/BSPT threads for global market adaptation .
8.Widely used in water, gas and industrial piping systems
Description
304 Stainless Steel 90° Street Elbow Threaded Pipe Fitting
Engineered for pipeline direction switching in industrial piping systems, our ASTM SS304 street elbow acts as a reliable connector for water supply, chemical, marine and food-grade projects. It adopts CNC precision-turned NPT/BSPT standard taper male‑female threads, realizing tight connection between pipelines of the same caliber and simplifying on-site installation procedures. Manufactured from standard 304 stainless steel with compact and uniform internal structure, the product delivers outstanding rust resistance and corrosion tolerance against water, oil, gas and weak acidic media. It keeps stable sealing performance under long‑term continuous operation. Optional surface finishing upgrades appearance quality and extends service life for both indoor and outdoor piping systems. Regular stocked specifications cover common industrial sizes for fast bulk shipment. Custom wall thickness adjustment, OEM laser logo engraving and special-size machining services are available upon request. These stainless steel 90‑degree street elbows are widely applied in food processing workshops, petrochemical plants, shipbuilding projects, heating pipe networks and water treatment pipeline facilities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | 304 Stainless Steel 90° Street Elbow Threaded Pipe Fitting |
| Pressure Class | Medium & High Pressure Grade |
| Raw Material | ASTM-compliant SS304 stainless steel with dense uniform metallographic structure, outstanding rustproof and anti-corrosion properties |
| Surface Finish | Multiple optional treatments: mechanical polishing & pickling passivation; neat surface finish for stable long-term corrosion resistance |
| Connection Type | Precision machined NPT/BSPT dual-standard taper male-female threads; 90° angle structure realizes pipeline steering with tight joint sealing |
| Working Temperature | -20℃ ~ 180℃ |
| Applicable Medium | Water, natural gas, oil, weakly acidic and weakly alkaline industrial fluids |
| Certification Standard | Manufactured in accordance with international norms for stainless steel threaded pipe fittings |
| Application Scenario | Food processing, water treatment plants, chemical projects, shipbuilding industry and heating pipeline engineering |
Key Features
1.Superior Environmental Adaptability
Forged from ASTM-certified 304 stainless steel, the elbow withstands humid coastal atmosphere, oily media and weak corrosive liquids. It stays stable in wet outdoor piping systems and food-grade operating environments for extended service cycles.
2.Reliable Sealing of Male-female Taper Threads
Dual-standard NPT/BSPT threads are CNC machined with uniform tooth pitch. The conical fitting surface forms compression sealing upon installation, no sealing gasket required, effectively preventing medium seepage under long-term pressurized operation.
3.Right-angle Layout Optimizes Pipeline Design
The built-in 90° turning angle flexibly alters pipeline direction to bypass obstacles on construction sites. It reduces the number of extra adapters and shortens the overall piping construction period.
4.Smooth Inner Cavity Optimizes Fluid Transport
Precision polished seamless inner wall lowers flow turbulence and pressure drop. Medium circulates steadily inside the pipeline to cut energy consumption of rear pumping equipment.
5.Diversified Scenarios & Flexible Customization
Fit for water supply projects, chemical fluid delivery, ship piping and heating circulation systems. Conventional sizes are stocked for bulk orders; customized wall thickness, laser marking and non-standard dimension processing are supported for OEM cooperation.
Dimensions and Specifications
Our 304 stainless steel 90° male-female elbows cover a full range of standard inch sizes, mainstream specifications are listed below:
- 1/2", 3/4", 1"
- 1‑1/4", 1‑1/2", 2", 2‑1/2", 3", 4"
- Custom dimensions, OEM laser marking and dedicated export packaging services are available
Each elbow is manufactured under strict dimensional tolerance management. Its integrated 90° male-female threaded structure matches precision conical sealing surfaces to sustain stable sealing performance, effectively preventing medium leakage during long-term operation in diverse working scenarios.
Materials and Surface Treatments
1.Main Body Raw Material
Fabricated from ASTM-compliant SS304 stainless steel, the elbow delivers outstanding rust and corrosion resistance against water, oil, gas and weak acidic media. It operates stably in food processing, chemical production, water treatment and marine piping systems to realize directional turning of pipeline routes.
2.Surface Finish
Standard pickling and passivation treatment forms a compact passive anticorrosive film to isolate rust, moisture and mild chemical erosion, supporting reliable use for indoor and outdoor industrial pipelines. Two surface options are available as requested: natural matte finish and mirror polishing finish.
3.Connection Processing
Both male and female ends adopt precision-machined NPT/BSPT standard tapered threads with neat thread profiles for firm assembly with matched pipes. Combined with precision metal-to-metal conical sealing design, the connecting positions remain leakproof during long-distance fluid transportation.
Standards and Certifications
Our products are manufactured in strict accordance with global industrial quality norms:
- Fabricated following official process specifications for stainless steel pipe fittings
- Production system certified to ISO 9001 quality management standards
Prior to packaging and shipment, every 304 stainless steel 90° male-female elbow undergoes comprehensive testing. Inspection items include sealing reliability, thread dimensional accuracy and anticorrosion performance.
Applications
1.Petrochemical & Industrial Pipeline
It fits piping systems conveying water, gas, oil and mildly corrosive fluids inside chemical plants. The elbow realizes pipeline direction switching to facilitate maintenance and renovation projects.
2.Shipbuilding & Marine Pipeline Systems
Widely deployed in offshore water supply, fuel transportation and heating pipeline networks. Strong rust resistance and salt spray tolerance make it well suited for humid and corrosive marine operating environments.
3.Food & Water Treatment Piping
Perfect for potable water supply, beverage manufacturing and water treatment pipeline systems. SS304 stainless steel complies with strict hygiene standards and will not pollute conveyed media.
4.Heating & General Industrial Fluid Delivery
Applicable for central heating loops, compressed air pipelines and industrial fluid conveying lines. The male-and-female threaded connection structure supports quick disassembly for routine system maintenance.
Installation Instructions
- TThread Pre-treatment: Clean the NPT/BSPT threaded sections and matching pipe threads; remove rust, oil stains and burrs before assembly.
- Controlled Torque Fastening: Tighten the fitting with appropriate torque. Excessive tightening shall be avoided to prevent thread deformation and sealing surface damage.
- Pressure Leak Test: Conduct pressure testing after installation to confirm reliable sealing of threaded joints and conical fitting surfaces.
- Periodic Inspection: Inspect threaded connections regularly to guarantee long-term safe operation of the piping system.
Comply with industrial threaded piping specifications and local safety regulations during installation.
Packaging and Shipping
Every 304 stainless steel threaded 90° male-female elbow is wrapped with anti-collision protective film to avoid surface scratches and thread deformation during transit. Moisture-resistant packaging protects the pickled passivated finish and precision-machined threads intact. Bulk orders are palletized with export-standard pallets for easy handling and container loading.
Our factory is located in Taigu, Shanxi Province. We partner with mature global logistics networks covering major overseas ports, delivering stable, cost-effective bulk shipments for industrial pipeline projects worldwide.
Quality Control
1.Raw Material Spectral Composition & Mechanical Test
Every batch of ASTM SS304 stainless steel raw material undergoes full spectral analysis and mechanical property testing to comply with official technical standards for stainless steel pipe fittings.
2.Hydraulic Sealing Pressure Inspection
Finished 304 stainless steel threaded 90° male-female elbows are sampled randomly for hydraulic sealing tests under rated working pressure, verifying zero-leakage stability of conical sealing surfaces.
3.Thread Dimension Precision Calibration
Custom go-no-go gauges are adopted to measure pitch, major diameter and tolerance of NPT/BSPT threads, ensuring tight engagement with standard steel pipes and dependable threaded sealing performance.
4.Full Surface Visual Defect Screening
100% manual visual inspection is carried out after pickling and passivation to clear burrs, stains and surface flaws on threads and outer surfaces, securing durable anti-corrosion capability in long-term service.
OEM and Customization Services
We maintain steady annual production capacity and accept bulk OEM & ODM custom orders. Our professional engineering team delivers full-stack customized solutions including customized wall thickness, non-standard dimensions, laser-engraved brand logos and dedicated export packaging for diverse industrial pipeline projects. We own a complete set of moulds covering sizes from 1/2" to 4", which effectively cuts down the lead time of sample trial production and bulk shipment.
FAQ
Q:Can this 304 stainless steel threaded 90° male-female elbow be buried underground?
A: Extra external anti-corrosion protection is mandatory for underground buried installation. Direct burial without protective treatment will greatly shorten the service life of the elbow fitting. Custom anti-corrosion protection solutions can be provided on request.
Q: What is the standard installation method for this stainless steel threaded 90° male-female elbow?
A: Apply qualified thread sealant evenly on matching threads, screw the elbow onto corresponding pipes with proper torque. Avoid excessive tightening that may damage threads or conical sealing surfaces, so as to achieve long-term leakproof connection.
Q: Can it withstand pipeline thermal expansion?
A: This fitting is a rigid connection component. We recommend installing expansion joints for long-distance pipelines with large temperature fluctuation ranges to absorb thermal deformation stress.
Q:Is it compatible with different steel pipes?
A:It perfectly matches standard pipes with corresponding NPT/BSPT thread specifications. Please confirm matching thread sizes and pipe wall thickness prior to formal assembly work.
Q:Why choose 304 stainless steel threaded 90° male-female elbow instead of carbon steel pipe fittings?
A:ASTM SS304 material delivers excellent rust resistance and anti-corrosion capability against water, oil, gas and weak acid media. Precision matched conical sealing structure enables convenient repeated disassembly, making it ideal for food, water treatment, marine and corrosive medium piping systems.
Contact Us
Searching for dependable 304 stainless steel threaded 90° male-female elbows to advance your industrial piping projects? Our seasoned technical team delivers end-to-end product selection guidance together with comprehensive technical backup support.Email:q1236800000@gmail.com We can furnish official full-version technical datasheets, affordable bulk wholesale quotations and dependable delivery timelines. Our premium stainless steel threaded 90° male-female elbow fittings are widely supplied to international projects across food processing, water treatment, petrochemical sectors, shipbuilding works and heating pipeline systems.
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