UNS S31803 elbow
ASTM A815 UNS S31803 Elbow Stockholder in Oman
The UNS S31803 elbow is a duplex stainless steel fitting that changes flow direction in a piping system. It resists corrosion in chloride and acid environments and handles high-pressure service.
At a glance
- Grade: UNS S31803 (EN 1.4462)
- Angles: 45° and 90°
- Radius: long radius (LR) and short radius (SR)
- Method: seamless or welded
- Sizes: 1/2″ – 24″
- Testing: ultrasonic and visual inspection
A815 S31803 Pipe Elbow Manufacturer in Oman
| Parameter | Details |
| Material | UNS S31803 duplex stainless steel |
| Standard | ASTM A815 (WP-S, WP-W) |
| Size range | 1/2″ – 24″ |
| Types | 45°, 90°, long radius, short radius, sweep, butt weld, miter, flanged |
| Method | Seamless / welded |
| Pressure classes | 150, 300, 600, 900 and higher |
| Delivery | Free delivery in Mumbai, shipped to the Oman and worldwide |
Why Choose UNS S31803 Elbow?
- Corrosion resistance: performs well in aggressive environments with chlorides and acids
- Good weldability: easy fabrication and installation
- Fatigue resistance: withstands cyclic loading and pressure fluctuations
- Industrial strength: same idea as a plumbing elbow, but built for industrial-grade demands
Types of ASTM A815 UNS S31803 Elbow
Our UNS S31803 elbow range for Oman projects includes these types:
| Elbow type | Key details |
| 45-degree elbow | Gentler change of direction |
| 90-degree elbow | Sharp change of direction |
| Long radius (LR) | Smoother flow, butt weld type |
| Short radius (SR) | Tighter turn for compact layouts |
| Sweep elbow | 90-degree bend, polished surface |
| Miter elbow | Classes 150, 300, 600, 900 and higher |
| Flanged elbow | Elbow with flanged ends |
| WP-W welded elbow | Welded construction |
ASTM A815 WP-W welded elbow
SA 815 UNS S31803 Long Radius Elbow
A815 S31803 90-Degree Elbow
Specification Table
Chemical composition (%)
| Element | % |
| Carbon (C) | 0.030 max |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Phosphorus (P) | 0.030 max |
| Sulphur (S) | 0.020 max |
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.08 – 0.20 |
Mechanical properties
| Property | Value |
| Tensile strength | 620 MPa min |
| Yield strength | 450 MPa min |
| Elongation | 25% min |
UNS S31803 Elbow Stock in Mumbai for the Oman
- Our UNS S31803 elbow stock covers 45°, 90°, long radius, short radius, sweep and butt weld types
- Sizes from 1/2″ to 24″
- Seamless and welded options
- Custom pipe bends on request
- To check UNS S31803 elbow stock for the Oman, send your angle, radius, size, wall thickness and quantity
Buy UNS S31803 Elbow in the Oman from DuplexPipeline
When you buy UNS S31803 elbow fittings from us, you get:
- Ultrasonic and visual inspection
- Seamless and welded options
- Free delivery in Mumbai
- Quality assurance and worldwide shipping, including the Oman
How to order
- Share angle, radius, size, wall thickness and quantity
- Receive datasheet and quote
- Confirm the order
UNS S31803 Elbow Price
UNS S31803 elbow price depends on:
| Factor | Effect |
| Size | Larger elbows use more material |
| Wall thickness | Thicker walls cost more |
| Type | Seamless and welded types are priced differently |
| Radius and angle | Long radius, short radius, 45° and 90° differ in material and forming |
| Quantity | Larger orders can change the rate |
- Request a quote for the latest UNS S31803 elbow price in the Oman
Pressure Rating of UNS S31803 Elbow
- Pressure rating is the maximum pressure the fitting can handle without failure or deformation
- Rating varies with material, dimensions, wall thickness and manufacturing standard
- Available in classes 150, 300, 600, 900 and higher
- Contact us for the exact rating of your elbow
ASTM A815 UNS S31803 45-Degree Elbow
- Diameter: 3-5″
- Connection type: elbow
- Color: silver
A815 S31803 Sweep Elbow
- Surface treatment: polished
- Wall thickness: 10-15mm
- Bend angle: 90 degree
A815 UNS S31803 Butt Weld Elbow
- Product type: long radius
- Tensile Strength (Mpa): 515
- Yield Strength: 290 MPa
Corrosion Resistance of UNS S31803 Elbow
| Condition | Performance |
| Acids, alkaline solutions, chlorides | Good general corrosion resistance |
| Pitting and crevice corrosion | Strong resistance in chloride-rich environments |
| Chloride stress corrosion cracking | High resistance |
| Sulfide stress corrosion cracking | Resists cracking in H2S and water environments |
Where These Elbows Are Used
| Industry | Use |
| Oil and gas | 90-degree elbows in offshore and onshore pipelines and process piping |
| Chemical processing | Sweep elbows in plants and reactors |
| Refineries and petrochemical | Pipelines and heat exchangers handling aggressive chemicals |
Seamless vs Welded Elbow Fittings
| Feature | Seamless | Welded |
| Construction | Single piece, no joints | Two or more pieces welded together |
| Appearance | Smooth and uniform | Visible weld seams |
| Corrosion resistance | Similar to the base material | Depends on weld quality |
Frequently Asked Questions
UNS S31803 elbow — Questions Buyers Ask Most
What is a pipe bend used for?
What's the difference between a 45 degree elbow and 90 degree elbow?
45 degree: gentler turn
90 degree: sharp change of direction
Is UNS S31803 elbow the same as a standard plumbing elbow?
What sizes are available for pipe bend fittings?
Are seamless elbows stronger than welded ones?
Pressure rating entails the maximum allowable pressure that a component such as a pipe or fitting can withstand without experiencing any failure, or deformation. The pressure rating for elbows can vary depending on the material, dimensions, wall thickness, and manufacturing standards.
The pressure rating of the UNS S31803 elbow ranges from 1200 Pound Square Inch PSI to 18,000 PSI based on the class. ASTM A182 UNS S31803 miter elbow has the following classes which are 150, 300, 600, 900, and many more.
A815 S31803 pipe elbow manufacturer in India
A815 S31803 90-degree elbow is commonly employed in offshore and onshore oil and gas installations. This elbow is utilized in pipelines, process piping, and equipment for transporting and processing oil, gas, and other products.
A815 UNS S31803 sweep elbow is suitable for chemical processing plants, refineries, and petrochemical facilities. They are used in pipelines, reactors, heat exchangers, and other equipment handling aggressive chemicals and corrosive environments.
At the lowest price, get ultrasonic testing and visual inspection for ASTM A815 UNS S31803 long radius elbow
ASTM A815 WP-W welded elbow
SA 815 UNS S31803 Long Radius Elbow
A815 S31803 90-Degree Elbow
ASTM A815 WP-W welded elbow shows good resistance to general corrosion caused by acids, alkaline solutions, and chlorides. These elbows are particularly resistant to pitting and crevice corrosion which are common in chloride-rich environments.
A815 S31803 butt weld elbow exhibits high resistance to chloride-induced stress corrosion cracking which is a critical form of corrosion. They also show good resistance to sulfide stress corrosion cracking which can occur in environments with hydrogen sulfide or H2S and water
Get SA 815 UNS S31803 welded elbow standard size ranges from 1/2 inch to 24 inches in diameter, we offer free delivery in Mumba
We are specialized in different sizes, corrosion-resistant, and long-lasting ASTM A815 UNS S31803 short radius elbow. call us right away!
ASTM A815 UNS S31803 45-Degree Elbow
- Diameter: 3-5″
- Connection type: elbow
- Color: silver
A815 S31803 Sweep Elbow
- Surface treatment: polished
- Wall thickness: 10-15mm
- Bend angle: 90 degree
A815 UNS S31803 Butt Weld Elbow
- Product type: long radius
- Tensile Strength (Mpa): 515
- Yield Strength: 290 MPa
View pressure rating, tolerance, and surface finishes of A815 S31803 90-degree elbow
SA 815 UNS S31803 long-radius elbow exhibits excellent corrosion resistance, particularly in aggressive environments containing chlorides, and acids. These elbows offer good weldability properties, allowing for ease of fabrication and installation without any issues. They have excellent fatigue resistance, enabling them to withstand cyclic loading and pressure fluctuations without premature failure.
Seamless elbow fittings are manufactured from a single piece of stainless steel without any welding or joining. These fittings exhibit excellent corrosion resistance similar to the base material.
ASTM A815 UNS S31803 seamless elbow exhibit a smooth and uniform appearance since they are produced from a single billet without any welded joints. Welded elbow fittings are formed by joining two or more pieces of stainless steel through different welding techniques.
ASTM A815 UNS S31803 seamless elbow has a smooth and uniform appearance since they are produced from a single billet without any welded joints. Welded components have visible welded joints where the sections of the steel are joined together.
The ASTM A815 specification does not specify minimum yield strength requirements for fittings such as short radius elbows. Try to refer to the material specification to find out the yield strength of an ASTM A815 UNS S31803 short radius elbow product.
