Hastelloy C-22 Welded Pipe
SSM supplies Hastelloy C-22 welded pipes (UNS N06022, ASTM B444 / ASME SB444), providing outstanding corrosion resistance and mechanical performance for chemical, marine, and high-temperature industrial applications.
Material Overview:
Material Grade: Hastelloy C-22
UNS Number: N06022
Type: Nickel-Chromium-Molybdenum Alloy
Form: Welded Pipe
Standards: ASTM B444 / ASME SB444
Features: High corrosion resistance, excellent weldability
Chemical Composition (Typical)
| Element | Content (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20–22 |
| Molybdenum (Mo) | 12–14 |
| Iron (Fe) | ≤ 4 |
| Tungsten (W) | 2–3 |
| Cobalt (Co) | ≤ 1 |
| Manganese (Mn) | ≤ 1 |
| Silicon (Si) | ≤ 0.08 |
| Carbon (C) | ≤ 0.02 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.03 |
Key Features:
Exceptional resistance to oxidizing and reducing environments
High resistance to pitting, crevice corrosion, and stress corrosion cracking
Excellent weldability and formability
Maintains mechanical strength at ambient and elevated temperatures
Suitable for chemical, marine, and industrial applications
Typical Applications:
Chemical and petrochemical pipelines
Acid and aggressive media handling
Heat exchangers, evaporators, and reactors
Offshore and marine piping systems
Industrial equipment in highly corrosive environments
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