DIN 1.4462 (Duplex 2205 / UNS S31803 / S32205) Supplier in India – Dipti Metal Industries

Company Overview

Dipti Metal Industries, located in Mumbai, India, is a trusted DIN 1.4462 (Duplex 2205) Supplier, Manufacturer, Stockist, Dealer, and Exporter. Founded in 2009 by Mr. Kumpsingh Rajput, we have built a strong global presence by supplying to more than 56 countries under the “DIPTI” brand.

We provide a full range of DIN 1.4462 Pipes, DIN 1.4462 Pipe Fittings, DIN 1.4462 Flanges, DIN 1.4462 Fasteners, DIN 1.4462 Valves, and DIN 1.4462 Gaskets, manufactured as per international standards and delivered with full certifications.

📧 Contact: info@diptimetal.in

🔹 About DIN 1.4462 (Duplex 2205)

DIN 1.4462, also known as Duplex 2205, UNS S31803 / S32205, or X2CrNiMoN22-5-3, is a duplex stainless steel with a balanced ferritic-austenitic microstructure. It offers twice the strength of standard austenitic stainless steels along with excellent resistance to pitting, crevice corrosion, and chloride stress corrosion cracking.

🔹 International Equivalents

• DIN / EN: 1.4462 – X2CrNiMoN22-5-3

• UNS (USA): S31803 / S32205

• ASTM / ASME: F51 / F60 equivalents

• Trade Name: Duplex 2205

🔹 Mechanical Properties

• Yield Strength (Rp0.2): ≥ 450 MPa

• Tensile Strength (Rm): 650–880 MPa

• Elongation (A5): ≥ 25%

• Hardness: ≤ 270 HB

• Impact Strength: ≥ 100 J longitudinal

🔹 Physical Properties

• Density: 7.8 g/cm³

• Elastic Modulus: ~200 GPa

• Thermal Conductivity: ~15 W/m·K

• Specific Heat: ~500 J/kg·K

• Magnetic Properties: Slightly magnetic due to ferrite content

🔹 Standards & Specifications

• ASTM A182 – Forged flanges and fittings

• ASTM A240 – Plates and sheets

• ASTM A312 – Seamless and welded pipes

• ASTM A403 – Pipe fittings

• ASTM A276 – Bars and rods

• EN 10088 – Stainless steel standards

• NACE MR0175 compliance

🔹 Product Supply Range – DIN 1.4462

• DIN 1.4462 Pipes & Tubes: Seamless, welded, fabricated

• DIN 1.4462 Pipe Fittings: Elbows, tees, reducers, caps, stub ends

• DIN 1.4462 Flanges: Weld Neck, Slip-On, Blind, Socket Weld, Threaded

• DIN 1.4462 Fasteners: Bolts, Nuts, Studs, Washers, Screws

• DIN 1.4462 Plates & Sheets: Standard and custom cut sizes

• DIN 1.4462 Bars & Rods: Round, flat, hex, forged

• DIN 1.4462 Valves & Gaskets: Full industrial supply range

🔹 Applications

• Oil & Gas pipelines, flowlines, and manifolds

• Marine and offshore platforms

• Chemical and petrochemical industries

• Pulp and paper production

• Desalination and water treatment plants

• Power generation and flue gas desulfurization

• Heat exchangers and pressure vessels

🌍 Global Export Reach

We export DIN 1.4462 (Duplex 2205) products to:

• Middle East: UAE, Saudi Arabia, Oman, Qatar, Kuwait

• Europe: Germany, UK, France, Italy, Spain, Poland

• North America: USA, Canada, Mexico

• South America: Brazil, Argentina, Chile

• Asia-Pacific: Japan, Singapore, South Korea, China, Australia

• Africa: South Africa, Egypt, Nigeria, Kenya

Exports are handled through all major Indian ports: Nhava Sheva, Mundra, Kandla, Chennai, Hazira, Cochin, Vizag, Kolkata.

🔹 Certifications & Quality

• ISO 9001:2015 Certified

• EN 10204 3.1 / 3.2 Material Test Certificates

• PED & NACE MR0175 Compliant

• Third-Party Inspections: TÜV, SGS, BV, DNV

• 100% Traceability with Heat Numbers

❓ Frequently Asked Questions (FAQ)

Q1: What is DIN 1.4462 also called?
A: It is also called Duplex 2205, UNS S31803 / S32205, or X2CrNiMoN22-5-3.

Q2: Why is DIN 1.4462 preferred over 304/316 stainless steel?
A: It offers much higher strength and significantly better chloride resistance.

Q3: Is DIN 1.4462 weldable?
A: Yes, it can be welded while maintaining strength and corrosion resistance.

Q4: Where is DIN 1.4462 used most?
A: In oil & gas, marine, petrochemical, pulp & paper, and desalination industries.

Q5: What are its main mechanical strengths?
A: Yield ≥ 450 MPa, tensile 650–880 MPa, elongation ≥ 25%.

Q6: Is DIN 1.4462 magnetic?
A: Yes, slightly magnetic due to its duplex structure.

Q7: Can it be hardened by heat treatment?
A: No, it can only be strengthened by cold working.

Q8: Does it come with certifications?
A: Yes, ISO, EN MTCs, PED, NACE, and third-party inspections.

Q9: What is its PREn value?
A: Around 30–38, ensuring strong pitting resistance in chloride environments.

Q10: Why choose Dipti Metal Industries?
A: Certified supplier with global exports, wide inventory, competitive pricing, and reliable service since 2009.