ASTM A790 Duplex Steel S32205 Seamless Pipes, Duplex 2205 Welded Pipe, ERW Tubes & UNS S32205 Pipe Supplier in India
Duplex Steel UNS S32205 ERW Pipes, Ferritic/Austenitic Duplex Stainless Steel UNS S32205 Instrumentation Tubing Suppliers, Duplex Steel UNS S32205 Capillary Tubes Stockists in Mumbai, India
Duplex Steel UNS S32205 Pipes and Tubes are made on a balanced austenitic-ferritic structure, which is usually a mixture of about 22% Chromium, 3% Molybdenum and 5-6% Nickel. This composition offers a good balance between high strength and high corrosion resistance as compared to traditional stainless steel grades.
Duplex Steel S32205 Pipes are highly desirable because of their high mechanical strength, superior resistance to stress corrosion cracking and their extended service in an aggressive environment. They have higher yield strength and cost effectiveness (reduced nickel content) than the normal austenitic stainless steels.
UNS S32205 Duplex Steel Pipes and Tubes (WNR 1.4462) have wide application in biofuel plant construction, chemical processing, marine engineering, and petrochemical industries. The pipes are in accordance with international standards such as ASTM A790 UNS S32205, ASTM A790 S32205, and SA 789 UNS S32205 that guarantee safe performance and durability.
As a leading Duplex Steel UNS S32205 pipe supplier and manufacturer in India, these pipes are available in both seamless and welded forms with ready stock in Mumbai for quick delivery.
The two-phase ferritic and austenitic architecture increases the strength and resistance to corrosion and these pipes can be used in the most demanding industrial applications. They are also quite resistant to oxidation, pitting and crevice corrosion at a very wide temperature range.
Manufacturing Process of ASTM A790 UNS S32205 & SA 789 UNS S32205 Pipes
Duplex Steel UNS S32205 Pipes & Tubes are manufactured using advanced processes such as hot extrusion, cold drawing, and welding technologies to ensure high precision and quality.
- Seamless Pipes (ASTM A790 S32205) are produced using billet piercing followed by hot rolling
- Welded Pipes (ASTM A789 UNS S32205) are manufactured using high-frequency welding or electric fusion welding
- Solution annealing heat treatment improves corrosion resistance and mechanical properties
- Strict quality control ensures compliance with ASTM, ASME, and API standards
UNS S32205 Duplex Stainless Steel Pipe and Tube Specification
- Specifications: ASTM A790 / ASME SA790, ASTM A789 / ASME SA789
- Standards: ASTM, ASME, API
- Seamless Pipes & Tubes Sizes: 1/2" NB – 8" NB
- Welded Pipes & Tubes Sizes: 6" NB – 24" NB
- Outer Diameter: 6.0 – 630 mm
- Thickness: 0.3 mm – 50 mm
- Schedule: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS
- Types: Seamless / EFW / Fabricated
- Length: Single Random, Double Random & Custom Length
- Form: Round, Square, Rectangular, Coiled Tubes, U-Tubes, Pancake Coils, Hydraulic Tubes
- End: Plain End, Beveled End, Threaded
ASTM A790 / ASME SA790 Duplex Steel Pipe Equivalent Grades
|
STANDARD |
UNS |
WERKSTOFF NR. |
|---|---|---|
|
Duplex 2205 |
S32205 |
1.4462 |
ASTM A789 / ASME SA789 Chemical Composition
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
Fe |
|---|---|---|---|---|---|---|---|---|---|---|
|
Duplex 2205 |
0.030 max |
2.00 max |
1.00 max |
0.030 max |
0.020 max |
21–23 |
2.5–3.5 |
4.5–6.5 |
0.08–0.20 |
Balance |
Mechanical Properties of Duplex Steel UNS S32205 Pipes
|
Grade |
Density (g/cm³) |
Density (lb/in³) |
Melting Point (°C) |
Melting Point (°F) |
|---|---|---|---|---|
|
UNS S32205 |
7.805 |
0.285 |
1420–1465 |
2588–2669 |
Dimensional Tolerance Duplex Steel Pipe
- Up to 4”: ±0.79 mm
- 5”–8”: +1.58 / -0.79 mm
- 10”–18”: +2.37 / -0.79 mm
- 20”–24”: +3.18 / -0.79 mm
- Wall Thickness: -12.5%
- Length: +6.40 mm
Duplex Steel UNS S32205 Pipes Size Chart
|
Wall |
Sizes ( O.D.) |
|---|---|
|
.010 |
1/16" , 1/8" , 3/16" |
|
.020 |
1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8" |
|
.012 |
1/8" |
|
.016 |
1/8" , 3/16" |
|
.028 |
1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2" |
|
.035 |
1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
|
.049 |
3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4" |
|
.065 |
1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3" |
|
.083 |
1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3" |
|
.095 |
1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2" |
|
.109 |
1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" |
|
.120 |
1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3" |
|
.125 |
3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4" |
|
.134 |
1" |
|
.250 |
3" |
|
.375 |
3 1/2" |
UNS S32205 Duplex Steel Tubes Pressure Rating
|
Tube O.D. (in.) |
Wall Thickness of Tube (inches) |
|||||||
|---|---|---|---|---|---|---|---|---|
|
.028 |
.035 |
.049 |
.065 |
.083 |
.095 |
.109 |
.120 |
|
|
Working Pressure (psig) |
||||||||
|
1/8 |
7900 |
10100 |
||||||
|
1/4 |
3700 |
4800 |
7000 |
9500 |
||||
|
5/16 |
3700 |
5400 |
7300 |
|||||
|
3/8 |
3100 |
4400 |
6100 |
|||||
|
1/2 |
2300 |
3200 |
4400 |
|||||
|
3/4 |
2200 |
3000 |
4000 |
4600 |
||||
|
1 |
2200 |
2900 |
3400 |
3900 |
4300 |
|||
Types of Duplex Steel S32205 Pipes and Tubes
Pipe Types:
Tube Types:
Applications of Duplex Steel UNS S32205 Pipes & Tubes
Duplex Steel UNS S32205 Pipes & Tubes are widely used in industries that require high strength and corrosion resistance, including:
- Oil & Gas Industry
- Chemical Processing Industry
- Petrochemical Industry
- Marine and Offshore Applications
- Power Generation Plants
- Pulp & Paper Industry
- Food Processing Industry
They are commonly used for heat exchangers, condensers, superheater tubes, and high-pressure piping systems.
Testing, Inspection & Quality Assurance of Duplex Steel S32205 Pipes
All Duplex Steel UNS S32205 Pipes & Tubes undergo strict testing and inspection processes:
- Hydrostatic Testing
- Ultrasonic Testing
- Radiography Testing
- PMI (Positive Material Identification)
- Hardness Testing
These tests ensure full compliance with ASTM A790 S32205 and SA 789 UNS S32205 standards.
Packaging & Supply of Duplex Steel UNS S32205 Pipes & Tubes
Duplex Steel S32205 Pipes are securely packed to prevent damage during transportation and export:
- Wooden boxes and pallets
- Plastic end caps
- Anti-rust protective coating
- Export-grade packaging
As a reliable Duplex Steel UNS S32205 pipes supplier and exporter in Mumbai, India, products are available for both domestic and international delivery with competitive pricing and fast dispatch.
FAQs – Duplex Steel UNS S32205 Pipes & Tubes
What is Duplex Steel UNS S32205?
Duplex Steel UNS S32205 is a ferritic-austenitic stainless steel grade, commonly known as Duplex 2205, offering high mechanical strength and excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking.
What standards are used for S32205 pipes?
Duplex Steel S32205 pipes are commonly manufactured in accordance with ASTM A790 and ASME SA790 for seamless and welded ferritic-austenitic stainless steel pipes used in corrosive environments.
What are the applications of Duplex Steel S32205 Pipes?
Duplex Steel S32205 pipes are widely used in oil and gas, marine engineering, petrochemical plants, chemical processing, desalination systems, heat exchangers, and power generation industries.
What is the difference between S31803 and S32205?
UNS S32205 is an enhanced version of S31803 with tighter chemical composition control, especially higher nitrogen content, resulting in improved corrosion resistance and mechanical performance.
Do you supply Duplex Steel S32205 pipes in Mumbai?
Yes, Duplex Steel UNS S32205 pipes are supplied in Mumbai, India, with ready stock availability, export-grade packaging, and fast nationwide as well as international delivery.
What is the price of Duplex Steel S32205 Pipes?
The price of Duplex Steel S32205 pipes depends on dimensions, wall thickness, quantity, and market conditions. Contact the supplier for the latest pricing and customized quotations.
