-
-
-
Girgaon, Mumbai - 400004
Duplex Steel UNS S32205 Welded Tubes Manufacturer in India
What Are Duplex Steel UNS S32205 Welded Tubes?
Duplex Steel UNS S32205 Welded Tubes are tubular products manufactured from duplex stainless steel with a balanced austenitic and ferritic microstructure. UNS S32205 is a widely used duplex grade, commonly associated with Duplex 2205, offering a combination of high mechanical strength, excellent corrosion resistance, good toughness and resistance to chloride-induced stress corrosion cracking.
Duplex Steel UNS S32205 Welded Tubes are known for their high strength-to-weight ratio, excellent resistance to pitting and crevice corrosion, good resistance to stress corrosion cracking and reliable performance in chloride-containing environments. The duplex structure provides a useful combination of strength and corrosion resistance for demanding industrial services.
These welded tubes are used in oil and gas equipment, petrochemical plants, chemical processing systems, marine applications, desalination plants, heat exchangers, power generation and wastewater treatment equipment. The tube size, wall thickness, weld condition, finish and testing requirements are selected according to the application and applicable standards.
Kamal Steels is a reliable Duplex Steel UNS S32205 Welded Tubes Manufacturer and Stockist in India, supplying welded tubes in different sizes, wall thicknesses, lengths and finishes according to customer and project requirements. We also cater to international requirements with suitable export packaging, MTC and documentation.
Table of Contents
- Duplex Steel UNS S32205 Welded Tube Specifications
- Duplex Steel UNS S32205 Welded Tube Size Chart
- Duplex Steel UNS S32205 Welded Tube Weight Chart
- Duplex Steel UNS S32205 Welded Tube Standards
- Duplex Steel UNS S32205 Welded Tube Features
- Duplex Steel UNS S32205 Chemical Composition
- Duplex Steel UNS S32205 Mechanical Properties
- Duplex Steel UNS S32205 Equivalent Grades
- UNS S32205 Welded Tubes vs UNS S31803
- Duplex Steel UNS S32205 Welded Tube Applications
- Industries Using UNS S32205 Welded Tubes
- Frequently Asked Questions
Duplex Steel UNS S32205 Welded Tube Specifications
Duplex Steel UNS S32205 Welded Tubes are supplied according to applicable ASTM, ASME and international specifications. They are available in different dimensions, schedules, lengths and finishes according to project requirements.
| Specification | UNS S32205 Welded Tubes |
|---|---|
| Material | Duplex Stainless Steel |
| Grade | UNS S32205 |
| Common Name | Duplex 2205 |
| Tube Type | Welded |
| ASTM Standard | ASTM A789 / As specified |
| ASME Standard | ASME SA789 / As specified |
| Outside Diameter | As per requirement |
| Wall Thickness | As per requirement |
| Schedule | As required |
| Length | Random, Fixed or Customized |
| Finish | Pickled, Polished or As required |
Duplex Steel UNS S32205 Welded Tube Size Chart
Duplex Steel UNS S32205 Welded Tubes are available in a range of outside diameters and wall thicknesses for process piping, heat exchangers and specialized industrial systems. Custom dimensions can be supplied according to customer drawings and project requirements.
| Tube Size | Outside Diameter (mm) | Wall Thickness | Length |
|---|---|---|---|
| 1/2" | 12.70 | As required | As required |
| 3/4" | 19.05 | As required | As required |
| 1" | 25.40 | As required | As required |
| 1-1/2" | 38.10 | As required | As required |
| 2" | 50.80 | As required | As required |
| 3" | 76.20 | As required | As required |
| 4" | 101.60 | As required | As required |
| 6" | 152.40 | As required | As required |
| 8" | 203.20 | As required | As required |
Duplex Steel UNS S32205 Welded Tube Weight Chart
The theoretical weight of Duplex Steel UNS S32205 Welded Tubes depends on outside diameter, wall thickness and length. The following values are approximate reference values and actual weight may vary according to dimensional tolerances and manufacturing conditions.
| Outside Diameter (mm) | Wall Thickness (mm) | Inside Diameter (mm) | Approx. Weight (kg/m) |
|---|---|---|---|
| 12.70 | 1.00 | 10.70 | 0.35 |
| 19.05 | 1.50 | 16.05 | 0.82 |
| 25.40 | 2.00 | 21.40 | 1.51 |
| 31.75 | 2.50 | 26.75 | 2.38 |
| 38.10 | 3.00 | 32.10 | 3.35 |
| 50.80 | 3.00 | 44.80 | 4.64 |
| 63.50 | 3.00 | 57.50 | 5.94 |
| 76.20 | 4.00 | 68.20 | 9.49 |
| 101.60 | 5.00 | 91.60 | 15.43 |
Note: Weight values are approximate theoretical references. Final weight depends on actual dimensions, tolerances, density and manufacturing conditions.
Duplex Steel UNS S32205 Welded Tube Standards
Duplex Steel UNS S32205 Welded Tubes can be supplied according to applicable ASTM, ASME and other international standards depending on product form, dimensions and application requirements.
| Standard / Designation | Details |
|---|---|
| UNS | S32205 |
| Common Name | Duplex 2205 |
| ASTM | ASTM A789 |
| ASME | ASME SA789 |
| Product Form | Welded Tube |
Duplex Steel UNS S32205 Welded Tube Features
UNS S32205 combines high mechanical strength with excellent corrosion resistance and is suitable for demanding environments containing chlorides and other corrosive media.
- High mechanical strength
- Excellent resistance to chloride-induced stress corrosion cracking
- Good resistance to pitting and crevice corrosion
- Good resistance to general corrosion
- High strength-to-weight ratio
- Good toughness and durability
- Suitable for marine and chloride-containing environments
- Good weldability with appropriate procedures
- Suitable for pressure and process applications
- Reliable performance in demanding industrial environments
Duplex Steel UNS S32205 Chemical Composition
UNS S32205 contains chromium, nickel, molybdenum and nitrogen in controlled amounts. This alloying balance promotes its duplex microstructure and provides high strength together with resistance to several forms of corrosion.
| Element | Composition (%) |
|---|---|
| Chromium | 22.0 - 23.0 |
| Nickel | 4.5 - 6.5 |
| Molybdenum | 3.0 - 3.5 |
| Nitrogen | 0.14 - 0.20 |
| Carbon | 0.030 max. |
| Manganese | 2.00 max. |
| Silicon | 1.00 max. |
| Phosphorus | 0.030 max. |
| Sulfur | 0.020 max. |
| Iron | Balance |
Duplex Steel UNS S32205 Mechanical Properties
UNS S32205 provides high tensile and yield strength with good ductility and toughness. The actual mechanical properties depend on product form, dimensions, heat treatment and the applicable specification.
| Property | Minimum Requirement |
|---|---|
| Tensile Strength | 620 MPa min. |
| Yield Strength | 450 MPa min. |
| Elongation | 25% min. |
| Density | Approx. 7.8 g/cm³ |
Note: Mechanical properties may vary according to tube dimensions, product condition and applicable material specification. Certified material test reports should be used for final verification.
Duplex Steel UNS S32205 Equivalent Grades
| Designation | Equivalent / Related Grade |
|---|---|
| UNS | S32205 |
| Common Name | Duplex 2205 |
| EN Material Number | 1.4462 |
| EN Grade | X2CrNiMoN22-5-3 |
UNS S32205 Welded Tubes vs UNS S31803
UNS S32205 and UNS S31803 are closely related duplex stainless steel grades and are commonly associated with Duplex 2205. UNS S32205 generally has tighter chemistry requirements, particularly for chromium, molybdenum and nitrogen, and is widely specified for demanding duplex applications.
| Property | UNS S32205 | UNS S31803 |
|---|---|---|
| Material Type | Duplex Stainless Steel | Duplex Stainless Steel |
| Common Name | Duplex 2205 | Duplex 2205 |
| Corrosion Resistance | Excellent | Excellent |
| Strength | High | High |
| Typical Use | Demanding duplex applications | General duplex applications |
Duplex Steel UNS S32205 Welded Tube Applications
Duplex Steel UNS S32205 Welded Tubes are used in applications requiring high mechanical strength and excellent resistance to corrosion, particularly in chloride-containing and demanding industrial environments.
Oil & Gas Equipment
Used in process systems, tubular components and equipment exposed to corrosive oil and gas environments.
Chemical Processing
Used in chemical processing systems requiring high strength and resistance to corrosive chemicals.
Marine Systems
Used in marine equipment and tubular systems exposed to seawater and chloride-containing environments.
Desalination Plants
Used in selected desalination and water-treatment equipment requiring corrosion-resistant materials.
Heat Exchangers
Used in heat-transfer equipment where strength and corrosion resistance are important.
Petrochemical Equipment
Used in process equipment and tubular systems operating under demanding corrosive conditions.
Industries Using UNS S32205 Welded Tubes
Kamal Steels supplies Duplex Steel UNS S32205 Welded Tubes to industries requiring high-strength and corrosion-resistant tubular products for demanding operating environments.
Oil & Gas Industry
Used in offshore and onshore equipment, process systems and tubular components.
Chemical Industry
Used in chemical processing equipment exposed to corrosive operating conditions.
Marine Industry
Used in marine systems and equipment exposed to seawater and chloride environments.
Power Generation Industry
Used in selected power-generation equipment and heat-transfer systems.
Water Treatment Industry
Used in desalination, wastewater treatment and water-processing systems.
Petrochemical Industry
Used in process equipment and piping systems requiring high strength and corrosion resistance.
Frequently Asked Questions
Duplex Steel UNS S32205 Welded Tubes are high-strength duplex stainless steel tubes manufactured using advanced welding processes. They provide excellent corrosion resistance, superior mechanical strength, and outstanding performance in aggressive industrial environments.
Our Duplex Steel UNS S32205 Welded Tubes are manufactured according to ASTM A789, ASTM A790, ASTM A928, ASME SA789, and ASME SA790 standards.
These welded tubes offer high mechanical strength, excellent resistance to chloride stress corrosion cracking, pitting, crevice corrosion, seawater corrosion, superior weldability, and long service life.
They are widely used in offshore oil & gas platforms, marine engineering, chemical processing plants, petrochemical industries, heat exchangers, desalination plants, power generation facilities, and seawater piping systems.
UNS S32205 is an enhanced version of UNS S31803 with tighter chemical composition limits, providing improved corrosion resistance and more consistent mechanical properties while both share the same EN grade 1.4462.
Each tube undergoes PMI Testing, Chemical Analysis, Mechanical Testing, Hydrostatic Testing, Ultrasonic Testing (UT), Eddy Current Testing (ECT), Weld Integrity Testing, Dimensional Inspection, and Visual Inspection.
Yes. Duplex Steel UNS S32205 offers excellent resistance to seawater corrosion, chloride-induced pitting, crevice corrosion, and stress corrosion cracking, making it ideal for offshore and marine service.
Yes. Every shipment includes EN 10204 3.1/3.2 Mill Test Certificates, inspection reports, complete material traceability, and third-party inspection certificates upon request.
Yes. Kamal Steels exports Duplex Steel UNS S32205 Welded Tubes worldwide with export-standard packaging, complete documentation, and timely international delivery.
Kamal Steels offers ASTM-compliant Duplex Steel UNS S32205 Welded Tubes with ready stock, certified quality, competitive pricing, stringent quality control, export-standard packaging, complete documentation, and dependable worldwide delivery for critical industrial applications.