UNS S31803 Slip on Flange
ASTM A815 UNS S31803 Slip On Flange Vendor in Saudi Arabia
Flange slip on welding is simple with UNS S31803 duplex steel. This grade has a balanced mix of austenite and ferrite and resists corrosion well, especially in chloride environments such as seawater.
At a glance
- Grade: UNS S31803 (EN 1.4462)
- Structure: balanced austenite and ferrite
- Welding: TIG (GTAW) and MIG (GMAW)
- Sizes: 1/2″ – 48″ (15 NB – 1200 NB)
- Pressure class: 150 – 2500
- Face types: RF, RTJ, FF
SA 815 S31803 Slip Blind Flange Manufacturer in Saudi Arabia
DuplexPipeline supplies the UNS S31803 slip on flange in all major face types and sizes.
| Parameter | Details |
| Material | UNS S31803 duplex stainless steel |
| Size range | 1/2″ (15 NB) – 48″ (1200 NB) |
| Pressure class | 150 – 2500 |
| Face types | RTJ, RF, FF |
| Coating | Anti-rust painting |
| Documents | MTC with every delivery |
| Supply | Made in India, shipped to the Saudi Arabia and worldwide |
Flange Slip On Welding: Key Benefits
- Easy installation: the flange slides over the pipe end, so fitting is simple
- Easy alignment: flange slip on welding allows slight movement and adjustment before the weld is made
- Strong sealing: the raised face creates a compressed seal against the mating flange and prevents leaks
- Mechanical strength: withstands stresses and shocks without fracturing or deformation
- Corrosion resistance: performs well in aggressive environments with chlorides, acids or high temperatures
ASTM A815 UNS S31803 slip on raised face flange
A815 S31803 hubbed slip on flange
ASTM A815 WP-W SORF flange
Types of Slip On Flanges
Choose the right face for flange slip on welding on Saudi Arabia projects:
| Flange type | Key details | Typical use |
| SORF (raised face) | Raised sealing surface helps seal against the mating flange | General piping |
| Slip-on RTJ | Ring-type joint groove for a metallic ring gasket | High-pressure, leak-free joints |
| Hubbed slip-on | Class 150 – 2500 | Higher-pressure piping |
| Reducing slip-on | 1/2″ – 48″, class 150 – 2500 | Petrochemical |
| Slip blind (SO FF) | Faces: RTJ, RF, FF | Closing pipe ends |
| Forged slip-on | Forged for strength | Demanding service |
A815 S31803 reducing slip on flange
- Application: petrochemical
- Size: 1/2″ – 48″
- Pressure class: 150 – 2500
1.4462 UNS S31803 socket weld rf flange
- Type: slip blind flange, so ff flange
- Face type: Rtj, RF, FF
- Coating: anti-rust painting
SA 815 s31803 slip on forged flange
- Yield Strength: 290 MPa
- Tensile Strength: 415 MPa
- Elongation: 50mm
UNS S31803 Slip On Flange Specification
Chemical composition, UNS S31803 (%)
| 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 |
| Hardness | 293 HB max |
Cost Factors
- A UNS S31803 slip on flange costs more than other popular steel grades used for flanges
- Price varies with size, pressure rating and manufacturing process
UNS S31803 Slip On Flange Stock in Mumbai for the Saudi Arabia
- Our UNS S31803 slip on flange stock covers SORF, RTJ, hubbed, reducing, slip blind and forged types
- Sizes from 1/2″ (15 NB) to 48″ (1200 NB)
- Pressure classes 150 – 2500
- Face types: RTJ, RF and FF
- To check UNS S31803 slip on flange stock for the Saudi Arabia
, send your type, size, class and quantity
Buy UNS S31803 Slip On Flange in the Saudi Arabia from DuplexPipeline
When you buy UNS S31803 slip on flange products from us, you get:
- MTC with every delivery
- Full range of face types and pressure classes
- Quality assurance and worldwide shipping, including the Saudi Arabia
How to order
- Share type, size, pressure class and quantity
- Receive datasheet and quote
- Confirm the order
Flange Slip On Welding Procedure
- Slide the flange over the pipe end
- Align with the mating flange and adjust before welding
- Weld using GTAW (TIG) or GMAW (MIG)
- Set welding parameters for wall thickness and pressure rating
| Process | Key points |
| GTAW (TIG) | Precise, high-quality welds |
| GMAW (MIG) | Semi-automatic or automatic, continuous wire electrode with shielding gas protecting the weld zone |
Applications
| Industry | Use |
| Oil and gas | Connecting pipelines of different diameters |
| Chemical | Connecting pipes in processing plants |
| Water treatment | Pipe connections for water distribution |
| Pharmaceutical | Transferring fluids and chemicals through different pipe sizes |
Frequently Asked Questions
UNS S31803 Slip on Flange — Questions Buyers Ask Most
What is a slip on flange used for?
A simple, low-cost welded connection in moderate-pressure systems
What is the difference between slip-on and weld neck flanges?
Slip-on: fits over the pipe end. Weld neck: butt-welds directly to the pipe for higher pressure resistance
How is flange slip on welding done?
Using GTAW or GMAW, with parameters set for wall thickness and pressure rating
Is flange slip on welding easy to align?
What sizes are available?
1/2″ to 48″ (15 NB to 1200 NB), pressure classes 150 to 2500
Is the UNS S31803 slip on flange corrosion-resistant in the Saudi Arabia?
This flange exhibits excellent corrosion resistance particularly in environments containing chlorides such as seawater. It consists of a balanced mixture of austenite and ferrite phases that contributes to the material’s enhanced properties
UNS S31803 slip on flange can be easily welded to the pipe using various welding techniques including TIG welding, and MIG welding. This material can sturdily withstand mechanical stresses and shocks without fracturing or deformation.
SA 815 S31803 slip blind flange manufacturer in India
ASTM A815 UNS S31803 SORF Raised Face Slip-On Flange has a raised face on the flange’s sealing surface. This raised face assists to create a seal when the ASTM A815 WP-S UNS S31803 so ff flange is joined to the mating flange.
Slip-on ring type joint ASTM A815 WP-S UNS S31803 so ff flange has a ring-type joint groove on the sealing surface. This flange can accommodate a metallic ring gasket and provide a reliable and leak-free seal in high-pressure applications.
A815 S31803 hubbed slip on flange available in class 150 – 2500 at best price, view pressure rating, dimenssion and tolerance
ASTM A815 UNS S31803 slip on raised face flange
A815 S31803 hubbed slip on flange
ASTM A815 WP-W SORF flange
The cost of the A815 S31803 hubbed slip on flange product can vary based on the size, pressure rating, and manufacturing. SA 815 UNS S31803 slip blind flange has a higher cost as compared to other popular steel grades which are commonly used to produce flanges.
We supplier ASTM A815 WP-W slip on raised face flange in 1/2 inch(15 NB) to 48 inch (1200NB) size range
We provide MTC with all delivery of ASTM A182 UNS S31803 SORF flange, connect with us to know more about specification properties
A815 S31803 reducing slip on flange
- Application: petrochemical
- Size: 1/2″ – 48″
- Pressure class: 150 – 2500
ASTM A815 UNS S31803 slip on pipe flange
- Type: slip blind flange, so ff flange
- Face type: Rtj, RF, FF
- Coating: anti-rust painting
SA 815 s31803 slip on forged flange
- Yield Strength: 290 MPa
- Tensile Strength: 415 MPa
- Elongation: 50mm
Dont forget to check our SA 815 s31803 slip on forged flange chemical composition and mechanical properties
ASTM A815 WP-W slip on raised face flange is designed for easy installation making them a popular choice in various applications. The slip-on design allows the flange to be easily slipped over the pipe end and makes alignment and fitting simpler.
SA 815 s31803 slip on forged flange exhibits good corrosion resistance particularly in aggressive environments containing chlorides, acids, or high temperatures. The corrosion resistance property helps lower damage to the flange surface and ensures the integrity of the piping unit.
The slip-on design allows for slight movement and adjustment before welding and makes it easier to align the flange with the mating flange. The raised face creates a compressed seal when the flange is tightened against the mating flange, preventing leaks.
SA 815 UNS S31803 slip blind flange is widely used in the oil and gas industry for connecting pipelines of different diameters. In the chemical industry, these flanges are utilized for connecting pipes in chemical processing plants.
SA 815 s31803 slip on forged flange find application in water treatment facilities where pipes need to be connected for water distribution. In pharmaceutical manufacturing plants, these flanges are used to connect pipes of different sizes for the transfer of fluids and chemicals.
GTAW is a precise and high-quality welding process commonly used for joining A815 UNS S31803 slip joint flange. GMAW is another semi-automatic or automatic welding process suitable for joining the A815 S31803 reducing slip on flange. It uses a continuous wire electrode and a shielding gas, typically a mixture of argon and carbon dioxide to protect the weld zone.
