ASTM B167 UNS N06025 Pipe & Tube (Inconel 602CA)
ASTM B167 UNS N06025 (Inconel 602CA) is a premium nickel-chromium alloy engineered for outstanding strength, oxidation resistance, and stability at extreme temperatures up to 1200°C. Recognized for its exceptional resistance to carburization, nitridation, and hot corrosion, Inconel 602CA delivers superior performance in demanding furnace and industrial heating environments. ASTM B167 compliant pipes and tubes offer excellent dimensional stability, surface finish, and long-term durability.
Key Features
- Exceptional oxidation resistance up to 1200°C
- High creep strength and structural stability
- Superior carburization and nitridation resistance
- Excellent performance under cyclic thermal shock
- Suitable for aggressive furnace atmospheres
- Available in seamless and welded forms
- Custom schedules, precision tolerances, and long lengths
Equivalent Grades
| Standard | Equivalent / Comparable |
|---|---|
| Trade Name | Inconel 602CA |
| Werkstoff | 2.4633 |
| UNS | N06025 |
| Other Equivalents | High-Temperature Nickel-Chromium 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
ASTM B167 UNS N06025 Chemical Composition
| Element | % |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 24.0 – 26.0 |
| Cobalt (Co) | 1.0 – 2.5 |
| Aluminum (Al) | 1.0 – 1.5 |
| Titanium (Ti) | 0.1 – 0.3 |
| Carbon (C) | ≤ 0.15 |
| Manganese (Mn) | ≤ 0.50 |
| Silicon (Si) | ≤ 0.50 |
| Sulfur (S) | ≤ 0.015 |
| Iron (Fe) | ≤ 10.0 |
UNS N06025 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 650 – 750 MPa |
| Yield Strength (0.2% Proof) | 300 – 350 MPa |
| Elongation | ≥ 25% |
| Hardness | ≤ 95 HRB |
ASTM B167 Inconel 602CA Physical Properties
| Property | Value |
|---|---|
| Density | 8.16 g/cm³ |
| Melting Range | 1350 – 1400°C |
| Thermal Conductivity | 11 W/m·K |
| Electrical Resistivity | 1.12 µΩ·m |
| Specific Heat | 460 J/kg·K |
Type of ASTM B167 UNS N06025 Pipes
- Seamless Pipes
- Welded Pipes
- Seamless Tubes
- Welded Tubes
- Furnace-Grade High-Temperature Tubing
Application
- Heat treatment furnaces
- Petrochemical processing units
- High-temperature exhaust systems
- Burner components and radiant tubes
- Thermal oxidizers and incinerators
- Industrial heating components
- Aerospace thermal systems
- Reformer & cracking tubes
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