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by Tubotech Alloys Inc
Tubotech Alloys is a leading supplier and exporter of SMO 254 Instrumentation Fittings in the Netherlands, offering premium-quality fittings designed for high-pressure and highly corrosive industrial environments. Manufactured from SMO 254 (UNS S31254 / EN 1.4547), these instrumentation fittings provide exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, making them ideal for offshore, marine, chemical processing, and desalination applications. SMO 254 is a super austenitic stainless steel containing high levels of chromium, molybdenum, nickel, and nitrogen, providing superior corrosion resistance compared to conventional stainless steels.
Our extensive range of SMO 254 Instrumentation Fittings is manufactured to international standards, ensuring leak-free performance, dimensional accuracy, and long service life in critical fluid handling systems.






Tubotech Alloys supplies a comprehensive range of SMO 254 Instrumentation Fittings, including:
These fittings are widely used in instrumentation and control systems where reliability and corrosion resistance are critical.
| Specification | Details |
|---|---|
| Material Grade | SMO 254 |
| UNS Number | S31254 |
| Werkstoff No. | 1.4547 |
| Standard | ASTM, ASME, DIN, EN |
| Size Range | 1/8″ to 2″ |
| Pressure Rating | Up to 10,000 PSI |
| Connection Type | Compression, Threaded, Welded |
| Form | Elbows, Tees, Connectors, Unions, Reducers |
| Finish | Polished, Pickled, Passivated |
The superior corrosion resistance of SMO 254 is attributed to its high alloy content.
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 19.5 – 20.5 |
| Nickel (Ni) | 17.5 – 18.5 |
| Molybdenum (Mo) | 6.0 – 7.0 |
| Nitrogen (N) | 0.18 – 0.25 |
| Copper (Cu) | 0.50 – 1.00 |
| Carbon (C) | Max 0.02 |
| Manganese (Mn) | Max 1.00 |
| Silicon (Si) | Max 0.80 |
| Phosphorus (P) | Max 0.03 |
| Sulfur (S) | Max 0.01 |
| Iron (Fe) | Balance |
SMO 254 offers excellent mechanical strength and toughness, making it suitable for demanding industrial applications.
| Property | Value |
|---|---|
| Tensile Strength | 650 – 680 MPa |
| Yield Strength (0.2% Offset) | 300 MPa Min |
| Elongation | 35 – 50% |
| Hardness | ≤ 250 HB |
| Modulus of Elasticity | 195 – 200 GPa |
| Density | 8.0 g/cm³ |
Due to their exceptional corrosion resistance and strength, SMO 254 Instrumentation Fittings are extensively used in:
SMO 254 is particularly suitable for seawater systems, instrumentation tubing, chemical tanks, and aggressive chloride-bearing environments.
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
Tubotech Alloys has established itself as a trusted supplier of high-performance instrumentation fittings in the Netherlands and across Europe.
Our commitment to quality, precision engineering, and customer satisfaction makes us the preferred choice for SMO 254 Instrumentation Fittings in Netherlands.
SMO 254 Instrumentation Fittings are high-performance fittings manufactured from UNS S31254 super austenitic stainless steel, offering exceptional resistance to corrosion and high-pressure environments.
These fittings are commonly used in offshore oil and gas, chemical processing, desalination, marine, power generation, and pulp and paper industries.
SMO 254 contains higher levels of molybdenum, chromium, and nitrogen, providing significantly better resistance to pitting, crevice corrosion, and chloride stress corrosion cracking.
Yes, Tubotech Alloys supplies customized SMO 254 Instrumentation Fittings according to customer specifications and project requirements.
Yes. SMO 254 is specifically developed for seawater and aggressive chloride-bearing environments, making it ideal for marine and desalination applications.
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.
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