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Inconel 800 800H 800HT Instrumentation tubes,Inconel 800 800H 800HT Instrumentation Tube Manufacturer,Inconel 800 800H 800HT Instrumentation Tube Supplier, Inconel 800 800H 800HT Instrumentation 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 instrumentation tubes are precision-engineered tubing products made from a family of nickel-iron-chromium alloys. These alloys are specifically designed to deliver excellent performance in high-temperature and corrosive environments. Known for their stability and strength, these tubes are widely used in industries requiring accurate measurement and control under extreme operating conditions, such as power generation, petrochemical, and chemical processing plants.

Each grade in the Inconel 800 series offers unique benefits. Inconel 800 provides good strength and resistance to oxidation and carburization at elevated temperatures. Inconel 800H is a high-carbon version with improved creep resistance, making it suitable for prolonged exposure to high temperatures. Inconel 800HT, an advanced modification of 800H, features controlled amounts of aluminum and titanium to enhance high-temperature strength and stability. All three grades offer excellent resistance to chloride-induced stress corrosion cracking and maintain structural integrity in extreme conditions.

Inconel 800 800H 800HT Instrumentation  tubes

Inconel 800 series instrumentation tubes are ideal for demanding applications such as thermocouple protection tubes, impulse lines, manifold systems, and pressure sensing systems. These tubes are particularly useful in environments where both mechanical strength and corrosion resistance are required at temperatures above 600°C (1110°F). Common usage includes service in heat exchangers, reactors, steam generation systems, and furnace components, where precision and material reliability are critical.

These tubes are manufactured through seamless or welded processes, ensuring tight dimensional tolerances and high-quality surface finishes. They are available in a wide range of sizes, wall thicknesses, and custom lengths to meet application-specific requirements. Inconel 800, 800H, and 800HT instrumentation tubes typically conform to global standards such as ASTM B163, B407, B514, and equivalent specifications, ensuring consistent performance and compatibility with international industrial systems.

Specification of Inconel 800 800H 800HT Instrumentation tubes

Property Inconel 800 Inconel 800H Inconel 800HT
UNS Designation N08800 N08810 N08811
Standard Specifications ASTM B163, B407, B514, B515 ASTM B163, B407, B514, B515 ASTM B163, B407, B514, B515
Form Seamless / Welded Instrumentation Tubes Seamless / Welded Instrumentation Tubes Seamless / Welded Instrumentation Tubes
Outer Diameter Range 6 mm to 25.4 mm (1/4" to 1") 6 mm to 25.4 mm (1/4" to 1") 6 mm to 25.4 mm (1/4" to 1")
Wall Thickness 0.89 mm to 2.11 mm (0.035" to 0.083") 0.89 mm to 2.11 mm (0.035" to 0.083") 0.89 mm to 2.11 mm (0.035" to 0.083")
Temperature Range Up to 800°C (1472°F) Up to 1000°C (1832°F) Up to 1100°C (2012°F)
Tensile Strength (min) 520 MPa (75 ksi) 450 MPa (65 ksi) 450 MPa (65 ksi)
Yield Strength (min) 205 MPa (30 ksi) 170 MPa (25 ksi) 170 MPa (25 ksi)
Elongation (min %) 30% 30% 30%
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 (combined) ≤ 1.20 (combined) 0.85–1.20 (combined)
– Manganese (Mn) ≤ 1.5 ≤ 1.5 ≤ 1.5
– Silicon (Si) ≤ 1.0 ≤ 1.0 ≤ 1.0
– Sulfur (S) ≤ 0.015 ≤ 0.015 ≤ 0.015
Corrosion Resistance Excellent in oxidizing & carburizing Superior creep resistance Best creep & stress rupture resistance
Typical Applications Heat exchangers, instrumentation lines Petrochemical & nuclear reactors High-temp steam systems, furnaces

Key benefits of Inconel 800 series instrumentation tubes include outstanding high-temperature strength, resistance to oxidation and carburization, and superior stress rupture and creep resistance. Their metallurgical stability allows for extended service life in extreme environments, reducing maintenance costs and enhancing system reliability. As a result, they are a preferred choice for engineers and plant designers who require dependable, long-term performance from their instrumentation systems.

Chemical Composition of Inconel 800 800H 800HT Instrumentation 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
Aluminum (Al) ≤ 0.40 ≤ 0.40 0.25 – 0.60
Titanium (Ti) ≤ 0.40 ≤ 0.60 0.25 – 0.60
Al + Ti (Total) ≤ 0.60 ≤ 1.20 0.85 – 1.20
Manganese (Mn) ≤ 1.5 ≤ 1.5 ≤ 1.5
Silicon (Si) ≤ 1.0 ≤ 1.0 ≤ 1.0
Sulfur (S) ≤ 0.015 ≤ 0.015 ≤ 0.015
Copper (Cu) ≤ 0.75 ≤ 0.75 ≤ 0.75

With a proven track record as a Inconel 800 800H 800HT Instrumentation 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 Instrumentation tubes

Property Inconel 800 Inconel 800H Inconel 800HT
UNS Designation N08800 N08810 N08811
Standard Specifications ASTM B163, B407, B514, B515 ASTM B163, B407, B514, B515 ASTM B163, B407, B514, B515
Form Seamless / Welded Instrumentation Tubes Seamless / Welded Instrumentation Tubes Seamless / Welded Instrumentation Tubes
Outer Diameter Range 6 mm to 25.4 mm (1/4" to 1") 6 mm to 25.4 mm (1/4" to 1") 6 mm to 25.4 mm (1/4" to 1")
Wall Thickness 0.89 mm to 2.11 mm (0.035" to 0.083") 0.89 mm to 2.11 mm (0.035" to 0.083") 0.89 mm to 2.11 mm (0.035" to 0.083")
Temperature Range Up to 800°C (1472°F) Up to 1000°C (1832°F) Up to 1100°C (2012°F)
Tensile Strength (min) 520 MPa (75 ksi) 450 MPa (65 ksi) 450 MPa (65 ksi)
Yield Strength (min) 205 MPa (30 ksi) 170 MPa (25 ksi) 170 MPa (25 ksi)
Elongation (min %) 30% 30% 30%
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 (combined) ≤ 1.20 (combined) 0.85–1.20 (combined)
– Manganese (Mn) ≤ 1.5 ≤ 1.5 ≤ 1.5
– Silicon (Si) ≤ 1.0 ≤ 1.0 ≤ 1.0
– Sulfur (S) ≤ 0.015 ≤ 0.015 ≤ 0.015
Corrosion Resistance Excellent in oxidizing & carburizing Superior creep resistance Best creep & stress rupture resistance
Typical Applications Heat exchangers, instrumentation lines Petrochemical & nuclear reactors High-temp steam systems, furnaces

🏭 Industry & Application

  • SS 800 800H 800HT Instrumentation Tubes for Medical Industry
  • SS 800 800H 800HT Instrumentation Tubes for Chemical Processing
  • SS 800 800H 800HT Tubes for Instrumentation Lines
  • Inconel 800 800H 800HT Instrumentation tubes for Gas & Liquid Flow
  • SS 800 800H 800HT Tubes for Heat Exchangers

❓ Frequently Asked Questions (FAQs)

Q1: Are custom sizes and lengths available?

Yes. Instrumentation tubes can be supplied in custom diameters, wall thicknesses, and lengths according to client requirements, with tight tolerances and surface finishes suitable for precision applications.

Q2:How are these tubes delivered – welded or seamless?

They are available in both seamless and welded forms. Seamless is typically preferred for high-pressure or high-integrity systems, while welded tubes may be suitable for less critical or cost-sensitive applications.

Q3:Are these tubes resistant to corrosion?

Yes. The Inconel 800 series provides excellent resistance to: Oxidation and carburization Chloride-induced stress corrosion cracking Sulfidation and general acid corrosion

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At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions

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