ASTM B167 UNS N06617 Inconel 617 Pipe & Tube
ASTM B167 UNS N06617 (Inconel 617) is a premium nickel-chromium-cobalt-molybdenum alloy engineered for exceptional high-temperature strength and oxidation resistance. Combining excellent metallurgical stability with superior resistance to carburization and hot corrosion, Inconel 617 is widely used in high-temperature chemical processing, power generation, and aerospace furnace systems. Pipes and tubes produced under ASTM B167 offer consistent mechanical performance, precision machining, and long-term reliability in extreme environments.
Key Features
- Outstanding high-temperature strength up to 1100°C
- Excellent oxidation and carburization resistance
- High metallurgical stability due to Co–Mo strengthening
- Reliable performance in aggressive furnace atmospheres
- Exceptional creep-rupture properties
- Corrosion resistance in a wide range of media
- Available in seamless and welded forms
Equivalent Grades
| Standard | Equivalent |
|---|---|
| UNS | N06617 |
| Trade Name | Inconel 617 |
| Werkstoff | 2.4663 |
| Other Equivalents | High-Temperature Ni-Cr-Co-Mo Alloys |
Available Sizes
- Pipe OD: 6 mm to 914.4 mm
- Tube OD: 3 mm to 600 mm
- Wall Thickness: 0.3 mm to 50 mm+
- Length: Up to 13.5 meters (SRL / DRL / Custom)
ASTM B167 UNS N06617 Chemical Composition
| Element | % |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.0 – 24.0 |
| Cobalt (Co) | 10.0 – 15.0 |
| Molybdenum (Mo) | 8.0 – 10.0 |
| Aluminum (Al) | 0.8 – 1.5 |
| Titanium (Ti) | 0.3 – 0.6 |
| Carbon (C) | 0.05 – 0.15 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 1.0 |
| Sulfur (S) | ≤ 0.015 |
| Iron (Fe) | ≤ 3.0 |
UNS N06617 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 750 – 850 MPa |
| Yield Strength (0.2% Proof) | 350 – 400 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 95 HRB |
Inconel 617 Physical Properties
| Property | Value |
|---|---|
| Density | 8.36 g/cm³ |
| Melting Range | 1285 – 1380°C |
| Thermal Conductivity | 13 W/m·K |
| Electrical Resistivity | 1.18 µΩ·m |
| Specific Heat | ~410 J/kg·K |
Type of ASTM B167 UNS N06617 Pipes
- Seamless Pipes
- Welded Pipes
- Seamless Tubes
- Welded Tubes
- Furnace-Grade Tubing
- High-Temperature Industrial Tubes
Application
- Industrial furnaces and heat-treating equipment
- Gas turbine components
- Petrochemical heaters & reformer tubes
- High-temperature power generation systems
- Aerospace exhaust and thermal systems
- Catalyst support grids
- Chemical processing & corrosive environments
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