ASTM B444 Inconel 625 Seamless Pipe, Alloy 625 Seamless Pipe, Nickel Alloy 625 SMLS Pipes, UNS N06625 Seamless Pipes, DIN / WN 2.4856 Seamless Pipe, Inconel 625 Seamless Pipe Schedule 40 / 80 / XXS, High Temperature Inconel 625 Seamless Pipe, Corrosion Resistant Inconel 625 Seamless Pipe, ISO-Certified, Sizes 6 mm–610 mm, Manufacturer & Exporter.
Inconel 625 Seamless Pipes are manufactured from premium UNS N06625 alloy, known for its exceptional nickel-chromium-molybdenum composition. This high-performance material ensures outstanding resistance to oxidation, pitting, and crevice corrosion, making it ideal for harsh chemical and high-temperature environments.
We supply Alloy 625 SMLS Pipes conforming to ASTM B444 and DIN / WN 2.4856 standards. Available in schedules 40, 80, and XXS, our seamless pipes are ISO-certified and range from 6 mm to 610 mm (1/4″ to 24″) in diameter. These specifications guarantee uniform wall thickness, precise dimensions, and reliable mechanical properties for critical industrial applications.
New Eagle Industrial Corporation offers a comprehensive range of Inconel 625 seamless pipes, with wall thickness options across various schedules. Custom fabrication and project-specific solutions are available to meet client requirements, ensuring precise fitment and optimal performance in demanding industrial environments.
ASME SB167 Inconel 625 Seamless Pipes – Technical Specifications
Standard
ASME SB167 / SB444
Grade
Manufacturing Process
Outer Diameter Range (OD)
Wall Thickness
Common schedules: Sch 10, Sch 40, Sch 80
Length
Surface Finish
End Finish
Tolerances
ASME SB167 / SB444 (OD, Wall ±10%)
Testing & Inspection
Heat Treatment
Surface Protection
Certifications
Equivalent Standards
Applications
Seamless Pipes
- Stainless Steel Seamless Pipes (ASTM A312)
- ASTM A312 TP316 Seamless Pipes
- ASTM A312 TP316L Seamless Pipes
- ASTM A312 TP317 / TP317L Seamless Pipes
- ASTM A312 TP904 / TP904L Seamless Pipes
- SMO 254 Seamless Pipes (ASTM A312)
- Monel 400 Seamless Pipes (ASTM B165)
- Hastelloy C276 Seamless Pipes (ASTM B622)
- Inconel 625 Seamless Pipes (ASTM B167 / B444)
- Incoloy 825 Seamless Pipes (ASTM B423)
- Duplex UNS S31803 / S32205 Seamless Pipes (ASTM A790)
- Super Duplex UNS S32750 / S32760 Seamless Pipes (ASTM A790)
- Copper Seamless Pipes (ASTM B68 / B75 / B251)
- Alloy Steel Seamless Pipes (ASTM A312)
Precision-Engineered Products
ASTM B444 Inconel 625 Seamless Pipes – Chemical Composition
Inconel 625’s unique nickel-chromium-molybdenum-niobium composition provides excellent corrosion resistance and high strength at elevated temperatures. Ideal for chemical, marine, and aerospace applications.
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 58.0 min |
| Chromium (Cr) | 20.0–23.0 |
| Molybdenum (Mo) | 8.0–10.0 |
| Iron (Fe) | 5.0 max |
| Niobium + Tantalum (Nb+Ta) | 3.15–4.15 |
| Cobalt (Co) | 1.0 max |
| Manganese (Mn) | 0.5 max |
| Silicon (Si) | 0.5 max |
| Carbon (C) | 0.10 max |
| Phosphorus (P) | 0.015 max |
| Sulfur (S) | 0.015 max |
| Copper (Cu) | 0.5 max |
| Aluminum (Al) | 0.4 max |
| Titanium (Ti) | 0.4 max |
EN 2.4856 Seamless Pipe – Mechanical Properties
Inconel 625 seamless pipes provide excellent mechanical strength, ductility, and toughness even at elevated temperatures, making them suitable for high-pressure and high-temperature industrial applications.
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 827–1,034 |
| Yield Strength (0.2% offset, MPa) | 414–517 |
| Elongation (%) | 30 min |
| Hardness (Brinell) | 200–241 |
| Modulus of Elasticity (GPa) | 207 |
| Shear Strength (MPa) | 414–483 |
| Melting Point (°C) | 1,300–1,400 |
Nickel Alloy 625 Seamless Pipes – Equivalent Grades
These equivalent grades help identify Inconel 625 seamless pipes across international standards, ensuring compatibility and specification compliance in global projects.
| Standard / Specification | Equivalent Grade |
|---|---|
| UNS (USA) | N06625 |
| ASTM / ASME | B444 / SB444 |
| DIN / EN | 2.4856 / NiCrMo3-1-1 |
| JIS (Japan) | SUS 625 |
| AFNOR (France) | Z2CND17-12-2 |
| Werkstoff (Germany) | 2.4856 |
What are the advantages of using seamless versus welded Inconel 625 pipes?
Elimination of Weld Seams: No weld joints mean fewer weak points, reducing the risk of leaks and structural failure under high pressure.
Uniform Mechanical Properties: Seamless pipes maintain consistent tensile strength, yield strength, and hardness throughout the pipe length.
Higher Pressure Tolerance: Seamless construction allows pipes to withstand higher internal pressures without deformation.
Superior Corrosion Resistance: The absence of weld seams prevents localized corrosion, enhancing the pipe’s durability in harsh chemical environments.
Reliability in Critical Applications: Ideal for chemical, marine, and aerospace industries where safety and performance are paramount.
How does New Eagle Industrial Corporation ensure the quality of Inconel 625 SMLS Pipes?
Chemical Composition Verification: Ensuring all pipes meet UNS N06625 composition standards.
Dimensional Inspection: Checking diameter, wall thickness, and length for precision and uniformity.
Hydrostatic Testing: Confirming the pipe can safely handle design pressures without leaks or deformation.
ISO and International Standard Compliance: Every pipe conforms to ASTM B444, ASME SB444, and ISO certifications.
Documentation & Traceability: Material Test Certificates (MTCs) and inspection reports are provided for transparency and project compliance.
What testing and certification are typically available for Inconel 625 Seamless Pipes?
Chemical Analysis: Using PMI or Optical Emission Spectroscopy to verify alloy composition.
Mechanical Testing: Includes tensile, yield, elongation, hardness (Brinell/Rockwell), and impact tests.
Dimensional Inspection: Ensures accurate diameter, wall thickness, and schedule compliance.
Hydrostatic Testing: Confirms the pipe’s integrity under operating pressure conditions.
Non-Destructive Testing (NDT): Includes radiography, ultrasonic, and dye-penetrant testing to detect surface or internal defects.
Standards Certification: Compliance with ISO, ASTM B444, ASME SB444, and other international specifications is provided with MTC documentation.
Global Export Network for Alloy 625 Seamless Pipes
As a trusted manufacturer and exporter, New Eagle Industrial Corporation supplies ASTM B167 Inconel 625 Seamless Pipes 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
Applications of ASTM B444 Inconel 625 Seamless Pipes Across Industries

Oil & Gas Industry

Petrochemical & Chemical Processing

Power Generation (Thermal, Nuclear & Renewable)

Marine & Offshore Engineering

Pharmaceuticals & Biotechnology

Food, Beverage & Dairy Processing

Pulp & Paper Industry

Aerospace & Defense

Automotive & Transportation

Instrumentation & Control Systems

Water Treatment & Desalination

HVAC & Heat Exchanger Systems

Construction & Infrastructure Projects

Mining & Metallurgy

