Product Details
- Standard: ASTM B163
- Grade: Incoloy® 825 / UNS N08825
- Tube Size: 25.4 mm OD × 2.11 mm WT × 5555 mm Length
- Type: Seamless Tube
- Surface: Bright Annealed (BA)
- Delivery Condition: Annealed and Pickled or Bright Annealed
- Testing: 100% Eddy Current, Hydrostatic, PMI, and Grain Size Control
Chemical Composition of Incoloy 825 (UNS N08825)
| Element | Composition (%) |
|---|---|
| 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 |
| Carbon (C) | ≤ 0.05 |
Incoloy 825 is a nickel-iron-chromium alloy with added molybdenum, copper, and titanium for enhanced corrosion resistance in reducing and oxidizing media.
Mechanical Properties (As per ASTM B163)
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 586 MPa (85 ksi) |
| Yield Strength (0.2%) | ≥ 221 MPa (32 ksi) |
| Elongation | ≥ 30% |
| Hardness | ≤ 200 HB |
Key Features
- Excellent resistance to sulfuric acid, phosphoric acid, and nitric acid
- Outstanding corrosion resistance in chloride-bearing environments
- Good mechanical strength at high temperatures
- Suitable for nuclear, petrochemical, and marine industries
- Bright annealed finish ensures clean, oxide-free surface for high purity systems
Common Applications
| Industry | Application Use |
|---|---|
| Chemical Processing | Heat exchangers, evaporators, pickling tanks |
| Oil & Gas / Offshore | Cooling coils, subsea piping |
| Power Generation | Nuclear fuel processing |
| Acid Manufacturing | Sulfuric acid coolers |
| Pollution Control | Flue-gas scrubbers, absorber tubes |
DLSS Testing & Quality Control
- 100% Eddy Current Testing (per ASTM E426)
- Hydrostatic Test (on request)
- PMI (Positive Material Identification)
- Microstructure & Grain Size per ASTM E112
- Ultrasonic Testing for wall thickness uniformity
- Visual & Dimensional inspection report
Packaging for Export
- Tubes capped and sleeved for protection
- Bundled in export wooden cases with steel bands
- Heat number, size, and quantity labels
- Optional: Third-party witness by SGS / BV / TUV
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Contact DLSS for Incoloy 825 Tubing Solutions
Looking for Incoloy 825 BA seamless tubes with full traceability and international certification?
Email: info@dlsspipe.com
Website: www.dlsspipeline.com
We offer technical support, drawing verification, third-party testing, and worldwide delivery.
