Inconel 800 800H 800HT Capillary tubes,Inconel 800 800H 800HT Capillary Tube Manufacturer,Inconel 800 800H 800HT Capillary Tube Supplier, Inconel 800 800H 800HT Capillary Tube Exporter,Inconel 800 800H 800HT Precision Tubing, Inconel 800 800H 800HT Small Diameter Tube ,Inconel 800 800H 800HT Instrumentation Tubes
Inconel 800, 800H, and 800HT are part of the Incoloy family of high-performance alloys, primarily composed of nickel, iron, and chromium. These alloys are specifically engineered for high-temperature applications where strength, resistance to oxidation, and resistance to carburization are critical. They are known for their excellent stability and structural integrity in extreme environments, particularly in heat treatment, petrochemical processing, and nuclear applications.
Capillary tubes are long, narrow tubes with very small internal diameters, often used for precise fluid or gas delivery. In high-temperature or corrosive environments, standard materials may fail. That’s where Inconel 800 series capillary tubes come in—offering superior strength, resistance to scaling, and corrosion protection under extreme pressures and temperatures.
While Inconel 800, 800H, and 800HT have similar base compositions (about 30-35% nickel, 19-23% chromium, and balance iron), they differ slightly in their carbon and aluminum/titanium content. Inconel 800H has a higher carbon content (0.05–0.10%) compared to 800, which enhances creep resistance. Inconel 800HT further optimizes the alloy with controlled levels of aluminum and titanium to provide even better performance at elevated temperatures.
One of the most critical features of Inconel 800 series capillary tubes is their excellent thermal stability. These alloys maintain structural strength at temperatures up to 1100°C (2012°F). The 800H and 800HT grades are especially suited for environments where prolonged exposure to high heat would degrade lesser materials. This makes them ideal for furnace components and heat exchangers.
Specification of Inconel 800 800H 800HT Capillary tubes
| Property | Inconel 800 | Inconel 800H | Inconel 800HT |
|---|---|---|---|
| UNS Designation | N08800 | N08810 | N08811 |
| Standards | ASTM B163, B407, B829 | ASTM B163, B407, B829 | ASTM B163, B407, B829 |
| Chemical Composition (%): | |||
| – Nickel (Ni) | 30.0 – 35.0 | 30.0 – 35.0 | 30.0 – 35.0 |
| – Chromium (Cr) | 19.0 – 23.0 | 19.0 – 23.0 | 19.0 – 23.0 |
| – Iron (Fe) | Balance | Balance | Balance |
| – Carbon (C) | ≤ 0.10 | 0.05 – 0.10 | 0.06 – 0.10 |
| – Aluminum + Titanium | ≤ 0.60 (each ≤ 0.40) | ≤ 1.20 (combined) | 0.85 – 1.20 (combined) |
| Tensile Strength (min) | 520 MPa (75 ksi) | 450 MPa (65 ksi) | 450 MPa (65 ksi) |
| Yield Strength (min, 0.2% offset) | 205 MPa (30 ksi) | 170 MPa (25 ksi) | 170 MPa (25 ksi) |
| Elongation (% in 50 mm) | ≥ 30% | ≥ 30% | ≥ 30% |
| Melting Range (°C) | 1357 – 1385 | 1357 – 1385 | 1357 – 1385 |
| Max Operating Temperature | ~1100°F (593°C) | ~1650°F (900°C) | ~1650°F (900°C) |
| Form | Seamless / Welded Capillary Tubes | Seamless / Welded Capillary Tubes | Seamless / Welded Capillary Tubes |
| Outer Diameter Range | 0.3 mm – 6.35 mm (custom on request) | 0.3 mm – 6.35 mm (custom on request) | 0.3 mm – 6.35 mm (custom on request) |
| Wall Thickness | 0.1 mm – 1.2 mm (custom on request) | 0.1 mm – 1.2 mm (custom on request) | 0.1 mm – 1.2 mm (custom on request) |
| Length | Custom cut lengths or coil form | Custom cut lengths or coil form | Custom cut lengths or coil form |
| Surface Finish | Bright Annealed / Pickled / Polished | Bright Annealed / Pickled / Polished | Bright Annealed / Pickled / Polished |
Inconel 800 series tubes offer exceptional resistance to oxidation and carburization in high-temperature environments. The chromium content protects against oxidation, while the nickel content ensures resistance to chloride-induced stress-corrosion cracking. This makes them suitable for use in aggressive chemical processing and nuclear reactors where corrosion could be catastrophic.
Chemical Composition of Inconel 800 800H 800HT Capillary tubes
| Element | Inconel 800 | Inconel 800H | Inconel 800HT |
|---|---|---|---|
| Nickel (Ni) | 30.0 – 35.0 | 30.0 – 35.0 | 30.0 – 35.0 |
| Chromium (Cr) | 19.0 – 23.0 | 19.0 – 23.0 | 19.0 – 23.0 |
| Iron (Fe) | Balance | Balance | Balance |
| Carbon (C) | ≤ 0.10 | 0.05 – 0.10 | 0.06 – 0.10 |
| Manganese (Mn) | ≤ 1.50 | ≤ 1.50 | ≤ 1.50 |
| Silicon (Si) | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 |
| Aluminum (Al) | ≤ 0.40 | 0.15 – 0.60 | 0.25 – 0.60 |
| Titanium (Ti) | ≤ 0.40 | 0.15 – 0.60 | 0.25 – 0.60 |
| Al + Ti (Total) | ≤ 0.60 | 0.15 – 1.20 | 0.85 – 1.20 |
| Copper (Cu) | ≤ 0.75 | ≤ 0.75 | ≤ 0.75 |
| Sulfur (S) | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 |
With a proven track record as a Inconel 800 800H 800HT Capillary tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for SS 800 800H 800HT tubing worldwide.
Specification of Inconel 800 800H 800HT Capillary tubes
| Property | Inconel 800 | Inconel 800H | Inconel 800HT |
|---|---|---|---|
| UNS Designation | N08800 | N08810 | N08811 |
| Standards | ASTM B163, B407, B829 | ASTM B163, B407, B829 | ASTM B163, B407, B829 |
| Chemical Composition (%): | |||
| – Nickel (Ni) | 30.0 – 35.0 | 30.0 – 35.0 | 30.0 – 35.0 |
| – Chromium (Cr) | 19.0 – 23.0 | 19.0 – 23.0 | 19.0 – 23.0 |
| – Iron (Fe) | Balance | Balance | Balance |
| – Carbon (C) | ≤ 0.10 | 0.05 – 0.10 | 0.06 – 0.10 |
| – Aluminum + Titanium | ≤ 0.60 (each ≤ 0.40) | ≤ 1.20 (combined) | 0.85 – 1.20 (combined) |
| Tensile Strength (min) | 520 MPa (75 ksi) | 450 MPa (65 ksi) | 450 MPa (65 ksi) |
| Yield Strength (min, 0.2% offset) | 205 MPa (30 ksi) | 170 MPa (25 ksi) | 170 MPa (25 ksi) |
| Elongation (% in 50 mm) | ≥ 30% | ≥ 30% | ≥ 30% |
| Melting Range (°C) | 1357 – 1385 | 1357 – 1385 | 1357 – 1385 |
| Max Operating Temperature | ~1100°F (593°C) | ~1650°F (900°C) | ~1650°F (900°C) |
| Form | Seamless / Welded Capillary Tubes | Seamless / Welded Capillary Tubes | Seamless / Welded Capillary Tubes |
| Outer Diameter Range | 0.3 mm – 6.35 mm (custom on request) | 0.3 mm – 6.35 mm (custom on request) | 0.3 mm – 6.35 mm (custom on request) |
| Wall Thickness | 0.1 mm – 1.2 mm (custom on request) | 0.1 mm – 1.2 mm (custom on request) | 0.1 mm – 1.2 mm (custom on request) |
| Length | Custom cut lengths or coil form | Custom cut lengths or coil form | Custom cut lengths or coil form |
| Surface Finish | Bright Annealed / Pickled / Polished | Bright Annealed / Pickled / Polished | Bright Annealed / Pickled / Polished |
🏭 Industry & Application
- ✅ SS 800 800H 800HT Capillary Tubes for Medical Industry
- ✅ SS 800 800H 800HT Capillary Tubes for Chemical Processing
- ✅ SS 800 800H 800HT Tubes for Instrumentation Lines
- ✅ Inconel 800 800H 800HT Capillary tubes for Gas & Liquid Flow
- ✅ SS 800 800H 800HT Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What are Inconel 800, 800H, and 800HT capillary tubes used for?
These capillary tubes are used in high-temperature and high-pressure environments, such as in nuclear reactors, heat exchangers, petrochemical plants, instrumentation lines, and thermocouple protection. Their corrosion and oxidation resistance make them ideal for aggressive service conditions.
Q2:What is the typical size range for capillary tubes?
Inconel 800 series capillary tubes are available in outer diameters ranging from 0.3 mm to 6.35 mm, with wall thicknesses from 0.1 mm to 1.2 mm. Custom sizes are available on request.
Q3:What standards apply to Inconel 800 series capillary tubes?
These tubes are manufactured to ASTM B163, B407, B514, and B829 standards, depending on whether they are seamless or welded.
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