What Makes Our Duplex 2205 Pipe Easy to Approve
Dual-Certified Heats
One MTC meets both duplex 2205 chemistry limits.
Alloy Check Before Loading
PMI readings for Cr, Ni and Mo on request.
Kept Apart From Carbon Steel
Separate racks and straps protect the pickled surface.
Spool-Length Cutting
Sawn and beveled to your isometric list.
Quick Data: Duplex Steel 2205 Pipe

Duplex 2205 Pipe Specification

Test, tolerance and compliance points for plants needing a Duplex 2205 Pipe supplier in Hyderabad
Duplex 2205 Seamless Pipe Pressure Test
Each length: hydrostatic or nondestructive electric test
DSS 2205 Seamless Pipe Flattening Test
On 5% of pipe from each heat-treated lot
ASTM A790 Duplex Pipe Wall Tolerance
Minimum wall no more than 12.5% under nominal
Duplex 2205 Welded Pipe OD Tolerance
Up to NPS 1-1/2: +0.4 / −0.8 mm; over 1-1/2 to 4: ±0.8 mm
2205 Duplex Welded Pipe Seam Rule
A790 seam: automatic weld, no filler metal
ASTM A928 Duplex Welded Pipe Classes
Class 1 to 5 by weld passes and radiography
Duplex Steel 2205 Pipe Surface
Annealed and pickled, free of scale
2205 Stainless Steel Pipe End Finish
Plain end or bevel end to ASME B16.25
CE / PED Approved Duplex 2205 Pipe
Documented to PED 2014/68/EU
Alloy 2205 Pipe Sour Service Option
NACE MR0175 / ISO 15156-3 on request
X2CrNiMoN22-5-3 Pipe EN Standards
EN 10216-5 seamless; EN 10217-7 welded
DSS 2205 Welded Pipe Marking
Heat number, grade, size, schedule, standard
Duplex Stainless Steel Seamless Pipe Supplier in India With Schedules 5S to XXS
ASTM A790 duplex stainless steel pipe in grade 2205. Seamless and welded lengths ship from Mumbai, domestic and export.
We are a Duplex 2205 Pipe supplier in India. CE and PED approved documents go with pressure-equipment orders. A 450 MPa yield, 2.6 times 316L, allows lighter schedules. Walls run from Sch 5S to Sch 160 and XXS. Every heat carries an EN 10204 3.1 certificate.
Duplex Stainless Steel Pipe Schedule Chart
We are a Duplex 2205 Pipe stockist in India. Sch 5S to 80S follow ASME B36.19M; XXS follows B36.10M up to NPS 12. Walls in mm; weights theoretical, plain end, at 7.8 g/cm³.
| NPS | OD (mm) | Sch 5S | Sch 10S | Sch 40S | Sch 80S | XXS | 10S kg/m | 40S kg/m | 80S kg/m |
|---|---|---|---|---|---|---|---|---|---|
| 1/2″ | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 | 7.47 | 0.99 | 1.26 | 1.61 |
| 3/4″ | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 | 7.82 | 1.27 | 1.68 | 2.18 |
| 1″ | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 | 9.09 | 2.08 | 2.49 | 3.22 |
| 1-1/2″ | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 | 10.15 | 3.09 | 4.02 | 5.38 |
| 2″ | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 | 11.07 | 3.90 | 5.40 | 7.43 |
| 3″ | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 | 15.24 | 6.42 | 11.22 | 15.17 |
| 4″ | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 | 17.12 | 8.31 | 15.97 | 22.18 |
| 6″ | 168.3 | 2.77 | 3.40 | 7.11 | 10.97 | 21.95 | 13.74 | 28.08 | 42.28 |
| 8″ | 219.1 | 2.77 | 3.76 | 8.18 | 12.70 | 22.23 | 19.84 | 42.27 | 64.22 |
| 10″ | 273.0 | 3.40 | 4.19 | 9.27 | 12.70 | 25.40 | 27.59 | 59.90 | 80.99 |
| 12″ | 323.8 | 3.96 | 4.57 | 9.53 | 12.70 | 25.40 | 35.74 | 73.38 | 96.80 |
| 14″ | 355.6 | 3.96 | 4.78 | 9.53 | 12.70 | – | 41.08 | 80.80 | 106.69 |
| 16″ | 406.4 | 4.19 | 4.78 | 9.53 | 12.70 | – | 47.03 | 92.66 | 122.50 |
| 18″ | 457.0 | 4.19 | 4.78 | 9.53 | 12.70 | – | 52.96 | 104.48 | 138.24 |
| 20″ | 508.0 | 4.78 | 5.54 | 9.53 | 12.70 | – | 68.20 | 116.39 | 154.11 |
| 24″ | 610.0 | 5.54 | 6.35 | 9.53 | 12.70 | – | 93.91 | 140.20 | 185.85 |
| 30″ | 762.0 | 6.35 | 7.92 | – | – | – | 146.32 | – | – |
DSS Pipe Chemical Composition
ASTM A790 limits, with the standard duplex range shown first and the tighter Duplex 2205 range second.
Chromium Floor
21.0% → 22.0%
Molybdenum Floor
2.5% → 3.0%
Nitrogen Floor
0.08% → 0.14%
Minimum PREN
30.5 → 34.1
Buy DSS 2205 Pipe and Tubes in Different Grades With Custom Sizes at Best Price
As a Duplex 2205 Pipe manufacturer in India, we cut pipe and tube to your spool list.
Duplex Grades
Duplex 2205 · EN 1.4462
Super Duplex Grades
UNS S32750 & S32760
Duplex Tube Sizing
By OD and wall thickness
Custom Sizes
Cut to your spool list
Share grade, NPS, schedule and total metres to get a firm duplex 2205 pipe offer, ex-Mumbai or CIF your port.
DSS 2205 Pipe Price per Kg
Indicative rates and the four inputs that set them, from a Duplex 2205 Pipe supplier in Bengaluru.
Seamless Pipe (Indicative)
₹450 – ₹600 per kg
Welded Pipe
Below seamless, on request
Price Basis
Ex-Mumbai, GST extra
Validity
Confirmed on each quote
Nickel & Moly Surcharge
Moves with nickel and molybdenum markets.
Seamless or Welded Route
Seamless costs more than welded.
Schedule & Size
Thin 5S and 10S walls weigh less per metre.
Test Scope
ASTM A923, PMI or 3.2 inspection add cost.
Duplex 2205 Pipe Manufacturer in Mumbai, Est. 2007
Every cut length leaves our shop hard-marked with its heat number and grade.
Duplex Steel 2205 Pipe Types
As a Duplex 2205 Pipe stockist in Mumbai, we supply each form to its governing standard.
Duplex 2205 Seamless Pipe
- ASTM A790, no weld seam
- Hot-finished or cold-finished
- Sch 5S through XXS
DSS 2205 Welded Pipe
- Automatic weld without filler
- Solution annealed after welding
- Lower cost on larger bores
ASME SA790 Duplex ERW Pipe
- Longitudinal seam from strip
- Light Sch 5S and 10S walls
- Utility and low-pressure runs
ASTM A928 Duplex EFW Pipe
- Fusion welded with filler metal
- Class 1 to 5 options
- Suits large diameters
Duplex 2205 Seamless Tube
- Ordered by OD and wall
- 485 MPa min yield as tube
- Heat exchanger and instrument duty
Duplex 2205 Coiled Tubing
- Long continuous lengths
- Fewer joints on control lines
- Coiled to order
Alloy 2205 Thin Wall Pipe
- Sch 5S and Sch 10S
- High yield permits lighter walls
- Less weight per metre
Duplex Steel 2205 Thick Wall Pipe
- Sch 160 and XXS
- High-pressure headers
- Seamless route
ASTM A790 vs A928 Duplex Pipe
How seamless, welded and fusion-welded duplex pipe differ, from a Duplex 2205 Pipe supplier in Chennai.
ASTM A790 Seamless
Seamless duplex pipe
- Sized ByNPS and schedule
- Weld SeamNone
- Duplex 2205 Yield450 MPa (65 ksi) min
- General RulesASTM A999
- Best FitHigh-pressure process piping
ASTM A790 Welded
Welded duplex pipe
- Sized ByNPS and schedule
- Weld SeamNo filler metal
- Duplex 2205 Yield450 MPa (65 ksi) min
- General RulesASTM A999
- Best FitLarger bores at lower cost
ASTM A928
Electric fusion welded pipe
- Sized ByDiameter and wall
- Weld SeamWith filler metal
- Duplex 2205 Yield450 MPa (65 ksi) min
- General RulesASTM A999
- Best FitLarge-diameter lines
Full standard details are on our ASTM A790 pipe page.
Alloy 2205 Pipe Mechanical Properties
ASTM A790 minimum values for DSS 2205, from a Duplex 2205 Pipe supplier in Pune.
655MPa min
Tensile Strength (95 ksi)
450MPa min
Yield Strength (65 ksi)
25% min
Elongation in 50 mm
290HBW max
Hardness (30 HRC max)
Standard-Range Pipe Tensile
620 MPa (90 ksi) min
Standard-Range Pipe Yield
450 MPa (65 ksi) min
Duplex 2205 Tube Tensile
655 MPa (95 ksi) min
Duplex 2205 Tube Yield
485 MPa (70 ksi) min
2205 Duplex Stainless Steel Pipe Physical Properties
Typical room-temperature values, from a Duplex 2205 Pipe supplier in Delhi.
Density
7.8 g/cm³ (0.283 lb/in³)
Melting Range
1385 – 1440°C
Modulus of Elasticity
200 GPa (29,000 ksi)
Thermal Expansion
13.0 × 10−6/°C
Thermal Conductivity
14 W/m·°C
Specific Heat
480 J/kg·°C
Electrical Resistivity
0.74 µΩ·m
Magnetic
Yes, due to ferrite
Duplex 2205 Seamless Pipe Pressure Rating
Calculated pressure ratings for seamless pipe, from Duplex 2205 Pipe suppliers in Saudi Arabia and the UAE.
Sch 40SSch 80S
NPS 1
NPS 2
NPS 3
NPS 4
NPS 6
NPS 8
Sch 10S · NPS 2
171 bar (2,490 psi)
Sch 10S · NPS 4
98 bar (1,420 psi)
Sch 10S · NPS 6
74 bar (1,070 psi)
Sch 10S · NPS 8
62 bar (910 psi)
DSS 2205 Pipe Temperature Limits
Service and embrittlement temperature limits for duplex stainless steel pipe.
Low Temperature
Down to −46°C (−50°F)
Maximum Service
315°C (600°F) per ASME code
475°C Embrittlement
About 340 – 540°C
Sigma Phase
About 650 – 1000°C
Duplex Stainless Steel Welded Pipe Stockist Serving Ahmedabad, With 19 Years of Racked Inventory
Lengths are racked heat by heat, so a repeat order can match your first lot.
Duplex 2205 vs SS 316L vs Super Duplex 2507 Pipe
Minimum values from ASTM A790 and ASTM A312 for each grade.
Duplex 2205
ASTM A790 · EN 1.4462
- Cr / Ni / Mo22.0–23.0 / 4.5–6.5 / 3.0–3.5%
- Minimum Yield450 MPa (65 ksi)
- Minimum Tensile655 MPa (95 ksi)
- PREN Floor34.1 from minimum chemistry
- Best FitChloride duty with weight saving
SS 316L
ASTM A312 · UNS S31603
- Cr / Ni / Mo16.0–18.0 / 10.0–14.0 / 2.00–3.00%
- Minimum Yield170 MPa (25 ksi)
- Minimum Tensile485 MPa (70 ksi)
- PREN Floor22.6 from minimum chemistry
- Best FitMild chloride, general process
Super Duplex 2507
ASTM A790 · UNS S32750
- Cr / Ni / Mo24.0–26.0 / 6.0–8.0 / 3.0–5.0%
- Minimum Yield550 MPa (80 ksi)
- Minimum Tensile800 MPa (116 ksi)
- PREN Floor40 or higher by A790 note
- Best FitSeawater and high-chloride duty
22Cr Duplex Pipe Advantages & Limitations
Key gains and limits of 22Cr duplex pipe against 316L.
- 450 MPa minimum yield
- About 2.6 times 316L
- Lighter schedule possible
- PREN 34 minimum
- Resists chloride stress cracking
- Better pitting resistance than 316L
- 4.5 – 6.5% nickel
- 316L carries 10 – 14%
- Less weight to buy and ship
- Service limit of 315°C
- Weld heat input needs control
- Harder to form than 316L
EN 1.4462 Pipe Material Equivalent
Equivalent designations for the same alloy across ASTM, EN and other standards.
US
ASTM Type
2205
DE
Werkstoff Nr.
1.4462
EN
EN Steel Name
X2CrNiMoN22-5-3
JP
JIS
SUS329J3L
FR
AFNOR
Z3CND 22-05 Az
GB
BS
318S13
2205 Duplex Pipe PREN, Ferrite & ASTM A923 Test
Three checks buyers add to the purchase order when the line carries chlorides or H2S.
PREN Formula
%Cr + 3.3 × %Mo + 16 × %N
Duplex 2205 PREN Value
About 35 typical; 34.1 minimum
Ferrite Content
35 – 65% for NACE MR0175 / ISO 15156-3
ASTM A923 Method A
Sodium hydroxide etch screening
ASTM A923 Method B
Charpy impact: 54 J min at −40°C
ASTM A923 Method C
Ferric chloride, 24 h at 25°C: 10 mdd max
Duplex 2205 Pipe Corrosion Resistance & NACE Limits
Pitting, stress cracking and sour service limits, from a Duplex 2205 Pipe supplier in Kolkata.
CPT
Critical Pitting Temperature
35°C in ASTM G48
SCC
Chloride Stress Cracking
Resists where 316L cracks
IGC
Intergranular Corrosion
0.030% max carbon
H2S
NACE H2S Partial Pressure
10 kPa (1.5 psi) max
MAX
NACE Service Temperature
232°C (450°F) max
SA
Sour Service Condition
Solution annealed, quenched
ASTM A790 Duplex 2205 Pipe Welding Procedure
Common fabrication values for 2205, subject to your qualified WPS.
Filler Metal
ER2209 (AWS A5.9) or E2209 (AWS A5.4)
Heat Input
0.5 – 2.5 kJ/mm per pass
Interpass
150°C maximum
Preheat / PWHT
Not normally needed
Duplex Steel Pipe Fittings & Flange Standards
Matching product standards for a complete duplex piping system.
Duplex 2205 Pipe
ASTM A790 and ASTM A928.
Duplex 2205 Tube
Seamless and welded, sized by OD and wall.
Buttweld Fittings
ASTM A815 duplex 2205, ASME B16.9.
Forged Fittings
ASTM A182 F51 / F60, ASME B16.11.
Duplex F51 / F60 Flanges
ASTM A182, ASME B16.5.
Plate & Sheet
ASTM A240 Type 2205.
Round Bar
ASTM A276 and ASTM A479.
Castings
ASTM A995 Grade 4A (CD3MN).
DSS 2205 Pipe Supplier in Dammam With CE & PED Approved Papers
Certificates are checked against your PO clauses before the cargo leaves India.
2205 Stainless Steel Pipe Applications
Used in chloride service, from a Duplex 2205 Pipe supplier in Mangalore.
Duplex Pipe Dealer in Mumbai: Road Dispatch to Indian Cities
Road dispatch from Mumbai for buyers needing a Duplex 2205 Pipe supplier in Secunderabad, Rajkot, Ghaziabad and Gujarat.
Ahmedabad
Chemical & dye-intermediate units
Bengaluru
Skid & module fabricators
Chennai
Desalination & port projects
Pune
Process equipment OEMs
Hyderabad
Bulk-drug & pharma plants
Delhi NCR
EPC procurement offices
Kolkata
Eastern refinery belt
Nagpur
Power plant FGD retrofits
Delivery Estimate
Estimated delivery times from a Duplex 2205 Pipe supplier in Mumbai.
- Dispatch in 24–48 hours
- Checked before loading
- Non-stock sizes on order
- 12–18 days to Gulf and Africa
- Wooden cases or bundles
- Best for full lots
- For urgent lots
- Lands in 3–5 days
- Billed on volumetric weight
- Depends on port and routing
- Customs time is extra
- ETA on your proforma
Shipping Lanes
ASME SA790 Duplex Pipe Export Destinations
As a Duplex 2205 Pipe exporter, we ship to the ports below with full documents.
AEJebel Ali, UAE
TRMersin, Türkiye
KEMombasa, Kenya
UGKampala, Uganda
NGLagos, Nigeria
DEHamburg, Germany
ITGenoa, Italy
NLRotterdam, Netherlands
CAVancouver, Canada
MXVeracruz, Mexico
VEPuerto Cabello, Venezuela
MYPort Klang, Malaysia
THLaem Chabang, Thailand
IDJakarta, Indonesia
PHManila, Philippines
VNHo Chi Minh City, Vietnam
Duplex Steel 2205 Pipe Exporter in India Shipping to Jebel Ali, UAE
Wooden cases and plastic end caps keep duplex surfaces clean through the voyage.
Duplex 2205 Pipe FAQs
What is the Duplex 2205 pipe price per kg?
- Seamless pipe: indicative ₹450 – ₹600 per kg, ex-Mumbai
- Welded pipe costs less than seamless
- Alloy surcharge, schedule and test scope change the rate
What is the chemical composition of Duplex 2205?
- Cr 22.0–23.0%, Ni 4.5–6.5%
- Mo 3.0–3.5%, N 0.14–0.20%
- C 0.030% max, Mn 2.00% max
What is the difference between Duplex 2205 and SS 316L pipe?
- Minimum yield: 450 MPa vs 170 MPa
- PREN floor: 34.1 vs 22.6
- Nickel: 4.5–6.5% vs 10–14%
Which schedules are in the duplex stainless steel pipe schedule chart?
- Sch 5S, 10S, 40S and 80S per ASME B36.19M
- Sch 160 and XXS per ASME B36.10M
- Example: 2″ Sch 40S = 3.91 mm wall, 5.40 kg/m
What is the HS code for duplex stainless steel pipe?
- 7304.41: seamless, cold-drawn or cold-rolled
- 7304.49: seamless, other
- 7306.40: welded, circular section
Do you supply CE and PED approved Duplex 2205 pipe?
- Yes, documented to PED 2014/68/EU
- EN 10204 3.1 MTC as standard
- 3.2 inspection certificate on request



