ASTM B423 Incoloy 825 Instrumentation Tubes – corrosion-resistant, high-temperature tubing in seamless and welded forms. Custom sizes offered for industrial applications. ISO 9001:2015 certified UNS N08825 Instrumentation tubes manufacturer and exporter. Contact us for competitive bulk prices.

Incoloy 825 Instrumentation Tubes Exporter

New Eagle Industrial Corporation is a trusted supplier of premium Incoloy 825 Instrumentation Tubes, manufactured to meet global quality benchmarks for demanding industrial applications. Engineered as per ASTM B423, our instrumentation tubing is designed for accurate measurement and control in chemical plants, offshore platforms, and high-temperature processing units.

Alloy 825 Instrumentation Tubes are known for their outstanding resistance to sulfuric acid, phosphoric acid, seawater, chlorides, and stress-corrosion cracking.

We supply both seamless and welded tubes with tight dimensional tolerances, ensuring precision flow control and long-term stability. Every tube is manufactured from high-nickel alloy 825, enriched with chromium, molybdenum, and titanium for enhanced protection against oxidation and pitting. Our tubes are available in custom lengths, wall thicknesses, and coil configurations to match specialized project needs.

Choosing us means choosing reliability, quality, and performance. As an ISO 9001:2015 certified manufacturer and exporter, we focus on delivering instrumentation tubing that ensures accurate output, reduced maintenance, and extended service life in aggressive media.

Our Incoloy 825 Instrumentation Tubing offer superior durability, excellent weldability, and exceptional stability under fluctuating pressures and temperatures. With global supply capabilities and competitive pricing.

Incoloy 825 Instrumentation Tubes – Technical Specifications

Standard

ASTM B423 / ASME SB423

Grade

Incoloy 825 (UNS N08825)

Manufacturing Process

Seamless / Cold Drawn

Outer Diameter Range (OD)

6 mm to 114.3 mm (1/4” to 4-1/2”)

Wall Thickness

0.5 mm to 8 mm (Custom thickness on request)

Length

6 Meters (Standard) / Up to 12 Meters (Custom)

Surface Finish

Bright Annealed (BA), Polished, Pickled & Passivated, or Mirror Finish

End Finish

Plain Ends (PE), Beveled Ends (BE), Threaded Ends (on request)

Tolerances

As per ASTM B423 / ASME SB423 (OD, Wall ±10%)

Testing & Inspection

Hydrostatic Test, Eddy Current Test, Ultrasonic Test, PMI, Mechanical Testing, Dimensional & Visual Inspection

Heat Treatment

Bright Annealed / Solution Annealed at 1900°F (1040°C) minimum, followed by rapid quenching

Surface Protection

Plastic-capped ends, HDPE/woven wrapping, export bundles with identification tags

Certifications

EN 10204 3.1 / 3.2, ISO 9001:2015, PED 2014/68/EU (on request)

Equivalent Standards

UNS N08825 • EN 2.4858 • WNR 2.4858 • JIS NCF825 • ASTM B423/B424 • ASME SB423/SB424 • BS NA 16 • GOST ЭП703 (EP703)

Applications

Instrumentation Tubing, Hydraulic & Pneumatic Systems, Heat Exchangers, Condensers, Power Plants, Process Industries, Chemical & Petrochemical Plants

ASTM B423 Incoloy 825 Instrumentation Tubes – Chemical Composition

Incoloy 825’s high nickel, chromium, and molybdenum content provides excellent resistance to corrosion, acids, and high-temperature oxidation. This balanced chemical structure makes it ideal for demanding instrumentation and control-line applications.

ElementComposition (%)
Nickel (Ni)38.0 – 46.0
Chromium (Cr)19.5 – 23.5
Iron (Fe)Balance
Molybdenum (Mo)2.5 – 3.5
Copper (Cu)1.5 – 3.0
Titanium (Ti)0.6 – 1.2
Manganese (Mn)≤ 1.0
Silicon (Si)≤ 0.5
Carbon (C)≤ 0.05
Sulfur (S)≤ 0.03

Alloy 825 Instrumentation Tubing – Mechanical Properties

These mechanical properties ensure excellent strength, stability, and ductility across high-temperature and corrosive environments. Incoloy 825 tubing maintains reliable performance in critical instrumentation and control systems.

PropertyValue
Tensile Strength585 MPa (min)
Yield Strength (0.2% Offset)240 MPa (min)
Elongation30% (min)
Hardness≤ 80 HRB
Density8.14 g/cm³
Melting Range1370–1400°C

825 Incoloy Instrumentation Tubes – Equivalent Grades

These equivalent grades highlight Incoloy 825’s global availability and compliance with major international standards. It ensures consistent performance for instrumentation, control lines, and corrosive process applications.

Standard / RegionGrade
UNSN08825
WNR / EN2.4858
ASTMB423
ASMESB423 
JISNCF 825
BSNA 16
AFNORNUCr20Ni38Mo3Cu
GOSTЭП703 (EP703)
Do Incoloy 825 instrumentation tubes provide good weldability?

Yes, Incoloy 825 offers excellent weldability.

  • It can be welded using standard processes such as GTAW/TIG, GMAW/MIG, SMAW, and SAW.
  • The alloy maintains its corrosion resistance after welding due to its stable nickel–iron–chromium structure.
  • Weld joints retain strong mechanical properties, making the tubing suitable for high-pressure and high-temperature instrumentation systems.

Yes, New Eagle Steel is ISO 9001:2015 certified.

  • Our certification ensures strict quality control, consistent production standards, and reliable global supply.
  • Every batch of Incoloy 825 Instrumentation Tubes undergoes thorough inspection, documentation, and testing.
  • Customers receive products that meet international specifications and industry compliance requirements.
  • Share your required size, dimensions, wall thickness, material grade, and quantity.
  • Our technical sales team reviews the project requirements and prepares a competitive bulk price offer.
  • New Eagle Steel supports fast delivery, custom manufacturing, and export packaging for international shipments.

As a trusted manufacturer and exporter, New Eagle Steel supplies Incoloy 825 Instrumentation Tubes globally. Our high-performance products are widely used in chemical processing, pollution control, marine, and pharmaceutical industries across Europe, the Middle East, Asia, and the Americas, ensuring exceptional corrosion resistance, reliability, and precision engineering.

  • Middle East: United Arab Emirates (UAE), Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, Yemen, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey
  • North Africa: Egypt, Algeria, Morocco, Tunisia, Libya
  • Asia Pacific: Singapore, Malaysia, Vietnam, Indonesia, Thailand, Philippines, Cambodia, Laos, Myanmar, Brunei, Timor-Leste, Taiwan, Japan, South Korea
  • Europe: Spain, Belgium, Netherlands, France, Germany, Italy, United Kingdom (England), Poland, Cyprus, Malta, Russia
  • Americas: Brazil, Mexico, Chile, Peru, Colombia, Argentina, United States (USA), Canada
  • India: Chennai, Coimbatore, Bangalore, Thiruvananthapuram, Pune, Kolkata, Kerala, Karnataka, Gujarat, Mumbai, Delhi

Top Industries Using ASTM B423 Incoloy 825 Instrumentation Tubes

Oil & Gas Industry
Oil & Gas Industry
Petrochemical & Chemical Processing
Petrochemical & Chemical Processing
Power Generation (Thermal, Nuclear & Renewable)
Power Generation (Thermal, Nuclear & Renewable)
Marine & Offshore Engineering
Marine & Offshore Engineering
Pharmaceuticals & Biotechnology
Pharmaceuticals & Biotechnology
Food, Beverage & Dairy Processing
Food, Beverage & Dairy Processing
Pulp & Paper Industry
Pulp & Paper Industry
Aerospace & Defense
Aerospace & Defense
Automotive & Transportation
Automotive & Transportation
instrumentation control systems
Instrumentation & Control Systems
Water Treatment & Desalination
Water Treatment & Desalination
HVAC & Heat Exchanger Systems
HVAC & Heat Exchanger Systems
Construction & Infrastructure Projects
Construction & Infrastructure Projects
Mining & Metallurgy
Mining & Metallurgy
Semiconductor & High-Purity Gas Distribution
Semiconductor & High-Purity Gas Distribution