Loading ...
Phone
+91 9769961320Address
Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004Tubotech Alloys is a leading manufacturer, supplier, and exporter of high-quality Duplex Steel 31803 32205 Instrumentation Fittings in Germany. Designed for demanding industrial applications, these fittings offer exceptional strength, superior corrosion resistance, and excellent durability in aggressive environments. Our Duplex Steel 31803 Instrumentation Fittings and Duplex Steel 32205 Instrumentation Fittings are widely used in chemical processing, offshore oil and gas, power generation, marine engineering, and petrochemical industries across Germany.
Manufactured using premium-grade duplex stainless steel, these instrumentation fittings combine the advantages of both ferritic and austenitic stainless steel structures. This unique composition provides high tensile strength, improved resistance to chloride stress corrosion cracking, and excellent weldability.
Tubotech Alloys supplies a comprehensive range of Duplex Steel Instrumentation Fittings, including:
These fittings are available in various sizes, pressure ratings, and custom specifications to meet diverse industrial requirements.
| Element | UNS S31803 (%) | UNS S32205 (%) |
|---|---|---|
| Carbon (C) | Max 0.03 | Max 0.03 |
| Chromium (Cr) | 21.0 – 23.0 | 22.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 | 3.0 – 3.5 |
| Manganese (Mn) | Max 2.0 | Max 2.0 |
| Silicon (Si) | Max 1.0 | Max 1.0 |
| Nitrogen (N) | 0.08 – 0.20 | 0.14 – 0.20 |
| Phosphorus (P) | Max 0.03 | Max 0.03 |
| Sulfur (S) | Max 0.02 | Max 0.02 |
| Property | UNS S31803 | UNS S32205 |
|---|---|---|
| Tensile Strength | 620 MPa Min | 620 MPa Min |
| Yield Strength | 450 MPa Min | 450 MPa Min |
| Elongation | 25% Min | 25% Min |
| Hardness | 290 HB Max | 290 HB Max |
These superior mechanical properties make Duplex Steel 31803/32205 fittings ideal for high-pressure and corrosive service conditions.
| Specification | Details |
|---|---|
| Material Grade | Duplex Steel UNS S31803 / S32205 |
| Standards | ASTM A182, ASTM A276, ASTM A479 |
| Size Range | 1/8″ to 2″ |
| Connection Type | Compression, Threaded, Welded |
| Pressure Rating | Up to 10,000 PSI |
| Thread Standards | NPT, BSP, BSPT, ISO |
| Finish | Polished, Pickled, Passivated |
| Manufacturing Method | CNC Machined & Precision Engineered |
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
Our Duplex Steel Instrumentation Fittings are extensively used in:
Used in offshore platforms, refineries, subsea pipelines, and gas processing plants.
Suitable for handling aggressive chemicals and corrosive fluids.
Ideal for instrumentation and fluid control systems.
Applied in thermal, nuclear, and renewable energy facilities.
Excellent resistance to seawater corrosion makes them suitable for marine applications.
Used in desalination and wastewater treatment systems.
Provides durability and corrosion resistance in chemical processing environments.
Tubotech Alloys has established itself as a trusted supplier of Duplex Steel Instrumentation Fittings in Germany by consistently delivering premium-quality products and exceptional customer service.
All fittings are manufactured using advanced technology and strict quality control procedures.
Products comply with ASTM, ASME, DIN, and international industry standards.
We offer cost-effective solutions without compromising quality.
Reliable and timely delivery throughout Germany and Europe.
Available in custom dimensions, pressure ratings, and configurations.
Expert guidance from material selection to installation.
Large stock availability ensures quick dispatch and reduced lead times.
Tubotech Alloys supplies premium-quality Duplex Steel 31803 Instrumentation Fittings and Duplex Steel 32205 Instrumentation Fittings to industries throughout Germany. Our commitment to quality, precision engineering, and customer satisfaction makes us a preferred partner for industrial instrumentation fitting solutions.
Whether you require tube fittings, compression fittings, ferrule fittings, connectors, elbows, tees, or customized instrumentation components, Tubotech Alloys delivers reliable products engineered for superior performance in the most demanding applications.
Duplex Steel 31803 and 32205 Instrumentation Fittings are high-strength corrosion-resistant fittings used in instrumentation and fluid control systems operating in demanding industrial environments.
S32205 is an enhanced version of S31803 with tighter chemistry control and improved corrosion resistance, particularly due to higher nitrogen content.
Yes. Their excellent resistance to seawater corrosion and chloride stress corrosion cracking makes them ideal for marine and offshore environments.
Industries including oil and gas, petrochemical, power generation, marine, chemical processing, and water treatment extensively use these fittings.
Tubotech Alloys offers premium quality, competitive pricing, international standards compliance, customized solutions, fast delivery, and excellent customer support for all instrumentation fitting requirements.
Upgrade your assembly with Tubotech for excellence and built to closing. Contact us nowadays to get a quote or examine more about our product range.
Tubotech delivers precision-engineered tubing, fittings, and fasteners with innovative solutions and customizable options. Trusted for quality and durability, we serve industries requiring reliable, high-performance piping and instrumentation products.
© 2025 | Alrights reserved by Tubotech Alloys Inc