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by Tubotech Alloys INC
Tubotech is a globally recognized call in high-average performance instrumentation and tubing additives, serving critical industries with top-class answers for fluid and fuel management. As a reliable Monel 400 Instrument Fittings manufacturer, supplier, and exporter, we are dedicated to turning in merchandise that assures integrity, durability, and long service lives—particularly in environments where corrosion resistance is paramount.
Our Monel 400 Instrument Fittings are engineered using superior, high-quality nickel-copper alloy, designed especially for structures exposed to harsh chemical substances, seawater, and extreme situations. From layout to final dispatch, each component is subjected to rigorous, wonderful tests and crafted to global requirements to ensure maximum reliability and leak-proof overall performance. Whether you need widespread or custom fittings, we are your dependable Monel 400 device fittings company with worldwide reach and precision skills.






Monel 400 (UNS N04400) is a stable-solution alloy composed, in general, of nickel (around 63%) and copper (as a lot as 34%), at the aspect of small portions of iron, manganese, carbon, and silicon. It is one of the most well-known Monel alloys, imparting first-rate resistance to a wide range of corrosive environments, which include seawater, hydrofluoric acid, sulfuric acid, and alkaline solutions. Its mechanical power, weldability, and thermal balance make it a super fabric for instrumentation applications throughout demanding sectors.
| Property | Specification |
|---|---|
Material | Monel 400 (UNS N04400) |
Standards | ASTM B366, ASME SB-366, ANSI, ISO |
Pressure Rating | Up to 10,000 psi |
Temperature Range | -100°C to 550°C |
Thread Types | NPT, BSPP, BSPT, UNF, Metric |
Manufacturing Method | Forged / Precision CNC-machined |
Finish | Bright Annealed, Polished, Passivated |
Testing | Hydrostatic, PMI, Dimensional and Visual Inspection |
Compliance | NACE MR0175 / ISO 15156 for sour service applications |
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 63.0 min |
| Copper (Cu) | 28.0 – 34.0 |
| Iron (Fe) | ≤ 2.5 |
| Manganese (Mn) | ≤ 2.0 |
| Carbon (C) | ≤ 0.30 |
| Silicon (Si) | ≤ 0.50 |
| Sulfur (S) | ≤ 0.024 |
The excessive nickel content material complements its resistance to acidic and alkaline salts, even as copper improves corrosion resistance in marine and chemical environments.
| Property | Value |
|---|---|
| Density | 8.8 g/cm³ |
| Melting Point | 1350°C (2460°F) |
| Tensile Strength | 550 MPa (80,000 psi) |
| Yield Strength (0.2%) | 240 MPa (35,000 psi) |
| Elongation | 40% minimum |
| Hardness (Brinell) | 130 – 200 |
These features permit Monel 400 fittings to carry out beneath excessive strain and thermal cycling without cracking, deforming, or corroding.
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
As a complete supplier of Monel 400 Instrument Fittings, we offer a comprehensive range of additives to in shape all instrumentation device requirements:
We give Monel 400 Instrument Fittings in quite some favoured and custom sizes:
We also offer wall thickness alternatives according to ANSI/ASME requirements, making sure of compatibility with various strain systems.
| Fitting Type | Size (OD) | Approx. Weight (kg) |
|---|---|---|
| Elbow 90° | 1/2” | 0.32 |
| Tee | 3/4” | 0.70 |
| Union | 1/4” | 0.20 |
| Coupling | 1” | 0.95 |
| Reducer | 1” x 1/2” | 0.65 |
Monel 400 Instrument Fittings are extensively utilized in industries requiring excessive overall performance below corrosive and pressurized situations. Some key sectors consist of:
Their first-rate corrosion resistance and mechanical balance make them vital in critical applications.
Trusted Monel 400 Instrument Fittings Supplier
Whether you're constructing a marine pipeline, upgrading a chemical plant, or outfitting an offshore platform, Tubotech is your dependable Monel 400 Instrument Fittings supplier. Our dedication to quality, innovation, and consumer delight makes us a preferred associate in global industries.
Contact us in recent times for a quote, technical datasheet, or to learn more about our instrumentation solutions. Let's build systems that last—together.
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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