Why Chemical & Offshore EPCs Choose Ganpat Industrial For Duplex Steel Buttweld Fittings ?
22Cr–5Ni–3Mo–N Chemistry
Dual-certified S31803 / S32205 heats, MTC 3.1 on every batch
Near-Double Austenitic Strength
450 MPa min yield – smaller wall, lighter spool weight
NORSOK & PED Ready
ISO 9001 • PED • Petrofac Approved • NACE MR0175 on request
Duplex Steel Elbow Dealer
Ready racks of 90° & 45° elbows, tees & reducers – dispatch same week
Quote In 24 Hours
Factory-direct pricing on 1/8″ to 24″ NB, no trader markup
Duplex Steel Buttweld Fittings Abstract
- 1Type: Elbow, Tee, Reducer, Cap, Cross, Stub End
- 2Size Range: 1/8″ to 24″ NB • SCH 5S to XXS
- 3Grades: UNS S31803, UNS S32205, Werkstoff 1.4462
- 4Standards: ASTM/ASME A815/SA815, ASME B16.9, MSS SP-43
- 5Construction: Seamless & Welded
- 6Finish: Pickled & Passivated, Machine Finish, Polished On Request
Ganpat Industrial Corporation stocks Duplex Steel UNS S32205 Welded Fittings. It also stocks Werkstoff No 1.4462 elbows, tees, reducers, caps, and stub ends. Duplex Steel S32205 Seamless Pipe Fittings pair near-austenitic corrosion resistance with double yield strength. This lets engineers specify thinner walls for the same pressure class. These fittings meet ASTM A815 specifications for industrial applications. Mill-certified spools are dispatched to chemical, fertiliser, and offshore buyers. We serve customers across India, the UAE, and Middle East markets.
Mumbai · Duplex Steel Buttweld Fittings Manufacturer in India
2205 Duplex Fittings Built For Chloride Duty, Not Just MTC
Ganpat Industrial forges Duplex Steel 2205 Butt Weld Pipe Fitting for buyers who demand reliable resistance to stress-corrosion cracking serving chemical plants, desalination skids, and offshore projects across India, UAE, and the Middle East.
- ✓High Corrosion Resistance
- ✓Custom Sizes Available
- ✓Fast Global Delivery
- ✓Competitive Pricing
High Strength 2205 Duplex Pipe Fittings Manufacturer in India With MTC
Duplex Steel Buttweld Fittings Specification
We are a reliable Duplex Steel Buttweld Fittings Supplier in India offering buyer-ready specifications.
Duplex Steel ASTM A815 Fittings Material
- UNS S31803 / UNS S32205
- Werkstoff 1.4462
- ASME SA815 / ASTM A815
- Dual-Certified Heats
2205 Duplex Butt Weld Pipe Fittings Size Range
- NB: 1/8″ – 24″
- Schedule: 5S – XXS
- Seamless & Welded (WP-W/WPX)
- Custom sizes on drawing
UNS S32205 Fittings Testing
- PMI Testing
- Intergranular Corrosion (A923)
- Ultrasonic & Liquid Penetrant
- Third-Party Inspection
Duplex UNS S32205 Pipe Elbow Finish
- Pickled & Passivated (A380)
- Machine / Bright Finish
- Polished On Request
- Heat-Number Traceable
S31803 Buttweld Pipe Fittings Documentation
- Mill Test Certificate 3.1 (EN 10204)
- Dimensional Report Per ASME B16.9
- Duplex Steel 2205 Butt weld Fitting Compatible On Request
- Certificate Of Origin
ASME SA815M Duplex Steel 2205 Stub End Origin
- Indian Origin Forgings
- European Origin On Request
- Stockist + Manufacturer
- Ready Stock, Mumbai
Need Duplex UNS S32205 Buttweld Pipe Fittings On Short Notice?Share size, schedule & quantity – Get factory price with MTC 3.1 in 24 hours.
Advantages of Duplex 2205 Pipe Fittings
Discover the key advantages of Duplex Steel Fittings for demanding industrial applications.
Near-Double Yield Strength
Superior Chloride Resistance
Cost-Effective Alloying
Weldable & Fabrication-Friendly
High Fatigue & Erosion Resistance
NORSOK-Recognised Grade
Size Chart of ASTM A815 Duplex Steel UNS S31803 Buttweld Fittings
Find the right dimensions with our comprehensive size chart per ASME B16.9.
| NPS (Inch) | DN (mm) | Outside Diameter (mm) |
|---|---|---|
| 1/8 | 6 | 10.3 |
| 1/4 | 8 | 13.7 |
| 3/8 | 10 | 17.1 |
| 1/2 | 15 | 21.3 |
| 3/4 | 20 | 26.7 |
| 1 | 25 | 33.4 |
| 1 1/2 | 40 | 48.3 |
| 2 | 50 | 60.3 |
| 3 | 80 | 88.9 |
| 4 | 100 | 114.3 |
| 6 | 150 | 168.3 |
| 8 | 200 | 219.1 |
| 10 | 250 | 273.0 |
| 12 | 300 | 323.8 |
| 16 | 400 | 406.4 |
| 20 | 500 | 508.0 |
| 24 | 600 | 610.0 |
Different Types of Duplex Steel Buttweld Fittings

Duplex UNS S32205 Pipe Elbow
ASME B16.9

ASME SA815M Duplex Steel 2205 Stub End
MSS SP-43 Type A

Duplex Steel S32205 Tee
Equal / Reducing

Werkstoff No 1.4462 Duplex Concentric Reducer
ASME B16.9

Duplex Steel ASTM A815 Buttweld Cap
ASME B16.9

MSS SP-79 Duplex Steel 2205 Equal Cross
ASME B16.9

Duplex UNS S32205 Buttweld Fitting
Custom Drawing

2205 Duplex 180° Return Bend
ASME B16.28
Duplex UNS S32205 Buttweld Pipe Fittings Chemical Composition
ChromiumCr
22.0–23.0%
NickelNi
4.50–6.50%
MolybdenumMo
3.00–3.50%
NitrogenN
0.14–0.20%
ManganeseMn
≤ 2.00%
SiliconSi
≤ 1.00%
CarbonC
≤ 0.03%
PhosphorusP
≤ 0.030%
SulphurS
≤ 0.020%
IronFe
Balance
Mechanical Properties of S31803 Buttweld Pipe Fittings
Yield Strength
450 MPa Min
S31803 & S32205, 65 ksi
Tensile Strength
620–655 MPa
S31803: 620 • S32205: 655
Elongation
20% Min
In 2 in [50 mm] or 4D
Hardness
290 HBW Max
ASTM A815 Table 3
Duplex 2205 Seamless Pipe Fittings Material Equivalent
American Standard
- UNS S31803 / UNS S32205
- ASTM A815 Duplex Steel UNS S31803 Buttweld Fittings
- ASME SA815 • ASME B16.9 • F51 / F60
European Standard
- Werkstoff No 1.4462 Duplex Buttweld Pipe Fittings
- X2CrNiMoN22-5-3
- DIN EN 10216-5 / 10217-7
Japanese / Other
- SUS329J3L (JIS G3459)
- GB/T 022Cr23Ni5Mo3N
- NORSOK M-630 Listed Grade
Monthly Delivery of Duplex Steel ASTM A815 Fittings to Below Countries
| Export to | Countries | Continent | Shipping time | Ports |
|---|---|---|---|---|
|
Philippines | Asia | 14 | Davao |
|
Malaysia | Asia | 10 | Port Klang |
Buying In Bulk For A Chemical Or Offshore Project?Send your BOQ – factory price, MTC 3.1, dispatch same week.
Machining Services For Duplex Steel S32205 Tee
2205 Duplex Pipe Fittings machined and bevel-prepped in-house against your isometric drawing.
CNC Bore & Facing
- ID/OD turning to drawing tolerance
- Bore matching to mating pipe schedule
- Square-face cutting
Bevel End Preparation
- Per ASME B16.25 buttwelding ends
- 37.5° standard weld-prep bevel
- Compound bevels on heavy wall
Threading & Tapping
- NPT / BSPT on small-bore ends
- Socket-weld bore prep
- Custom thread pitch on request
Pressure Rating of Duplex Steel UNS S32205 Welded Fittings
| Temperature Ratings | Pressure Class | ||||
|---|---|---|---|---|---|
| 150 | 300 | ||||
| 1/4 – 1 inch. | 1 1/4 – 2 inch. | 2 1/2 – 3 inch. | |||
| (oF) | (oC) | ||||
| 350 | 177 | 150 | 1150 | 900 | 650 |
| 400 | 204 | – | 935 | 750 | 560 |
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 500 | 260 | – | 510 | 450 | 385 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 250 | 121 | 225 | 1575 | 1200 | 825 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 450 | 232 | – | 725 | 600 | 475 |
| 550 | 288 | – | 300 | 300 | 300 |
Value Added Services For Werkstoff No 1.4462 Duplex Buttweld Pipe Fittings
Custom Fabrication
Spools built to isometric & P&ID drawing, S31803 or S32205
Spool Assembly & Welding
Duplex-filler TIG welding with recorded WPS/PQR
Hydrostatic & PMI Testing
Pressure-tested and PMI-verified before dispatch
Export Packing & Marking
VCI wrap, wooden crate, heat-number tagging per piece
Marking of ASME SA815M Duplex Steel 2205 Stub End
Grade & UNS Number
S31803 / S32205 stamped or tag-marked on the fitting body
Required
Size & Schedule
NPS and wall schedule marked adjacent to the grade stamp
Required
Manufacturer’s Identification
Ganpat Industrial trademark & class (WP-S / WP-W)
Required
Heat Number
Traceable to the MTC 3.1 for the parent heat
Traceability
Inspection Mark
Third-party or in-house QC stamp after final inspection
On Request
Bending Radius of MSS SP-79 Duplex Steel 2205 Butt Weld Pipe Fitting
Standard and custom center-to-end radii for pipe elbows and induction bends.
Short Radius (SR) Elbow
1.0 x NPS
Long Radius (LR) Elbow
1.5 x NPS
3D Induction Bend
3.0 x NPS
5D Induction Bend
5.0 x NPS
6D / 8D / 10D Bend
6.0-10.0 x NPS
Custom Radius Bend
As Per Drawing
Need Duplex Steel S32205 Butt Weld Pipe Fittings With Full Traceability?Heat-number tagged, MTC 3.1 & dimensional report included.
Buy Ready Stock of Duplex Steel UNS S32205 Welded Fittings Range From 1/8 inch to 24 inches For Chemical Industries
Applications of UNS S32205 Fittings
Find Duplex Steel Buttweld Fittings Supplier in India across corrosive-duty industries.
Chemical & Petrochemical Plants
Offshore Oil & Gas Platforms
Seawater & Desalination Piping
Fertiliser & Sour-Service Units
Pulp & Paper Digester Lines
Pollution Control & Effluent Treatment
Pressure Vessel & Heat-Exchanger Piping
Storage Tank Farm Interconnects
Weekly Delivery of Duplex Steel S32205 Tee to Below Countries
| Export to | Countries | Continent | Shipping Time | Ports |
|---|---|---|---|---|
|
|
Indonesia | Asia | 9 Days | Tanjung Perak |
|
|
Germany | Europe | 20 Days | Bremerhaven |
|
|
Vietnam | Asia | 10 Days | Can Tho |
Frequently Asked Questions
What is the MSS SP-79 Duplex Steel 2205 Equal Cross Price?
Price depends on size, schedule, quantity, grade and certification requirements.
Where are ASME SA815M Duplex Steel 2205 Stub End used?
They are widely used in chemical, oil & gas, desalination and marine industries.
What is the maximum size available in Duplex UNS S32205 Buttweld Fitting?
Sizes are available from 1/8″ to 24″ NB, depending on requirements.
Do Duplex Steel Buttweld Fittings need post-weld heat treatment?
Heat treatment requirements depend on the grade, specification and manufacturing process.
Our Diverse Client Base in the Following Nations
| Gabon | Ethiopia | Zambia | Ghana | Morocco |
|---|---|---|---|---|
| Tunisia | New South Wales | Mozambique | Egypt | – |
| Nigeria | Saudi Arabia | UAE | Oman | South Africa |
| Angola | USA | Algeria | Kenya | Tanzania |

