Inconel Alloy 625/UNS N06625 Nut Corrosion Resistance For Seawater And Acidic Environments
Inconel Alloy 625/UNS N06625 Nut Corrosion Resistance For Seawater And Acidic Environments
Inconel Alloy 625 (UNS N06625) nuts are high-performance fasteners known for their exceptional strength, corrosion resistance, and heat tolerance. Made from a nickel-based superalloy, they exhibit excellent resistance to oxidation, pitting, and crevice corrosion, making them ideal for extreme environments, including aerospace, marine, and chemical industries. These nuts retain mechanical integrity at temperatures ranging from cryogenic levels to 982°C (1800°F), ensuring durability in high-stress applications. Their composition includes nickel, chromium, molybdenum, and niobium, providing superior resistance to chloride-induced stress corrosion cracking. Common applications include offshore drilling, heat exchangers, and nuclear reactors. Inconel 625 nuts are preferred for their longevity, high tensile strength, and reliability in harsh conditions, reducing maintenance needs and ensuring structural stability in critical industries.
Trade Code
| CN | JP | KR | US | DER | UK | |||
| GB | ISC | JIS | KS | COMMERCIAL CODE | UNS | W-Nr. | L-Nr. | BS EN/BS |
| NS 3306 (NS 336) (0Cr20Ni65Mo10Nb4) |
H 06625 (H 03306) |
NCF 625 | NCF 625 | Inconel 625 | N 06625 | NiCr22Mo9Nb | 2.4856 |
NA 21 NA 43 |
| Chemical Composition Wt.% | % | Ni | Cr | Mo | Nb+ta | Fe | Al | Ti | C | Mn | Si | Co | P | S |
| Min | 58 | 20 | 8 | 3.15 | ||||||||||
| Max | 23 | 10 | 4.15 | 5 | 0.4 | 0.4 | 0.1 | 0.5 | 0.5 | 1.00 | 0.015 | 0.015 |
| Physical Constants | Density(g/cm³) | 8.4 | |||||
| Melting Range(℃) | 1290-1350 | ||||||
| Minimum mechanical properties of alloy at room temperature | Typical mechanical properties | Tensile strength Rm N/mm² | Yield strength RP 0.2 N/mm² | Elongation A5 % | Brinell Hardness HB | |||||
| Solution treatment | 830 | 414 | 30 | ≤290 | ||||||
Inconel Alloy 625 (UNS N06625) nuts are high-performance fasteners known for their exceptional strength, corrosion resistance, and high-temperature capabilities. Here are the key features of Inconel 625 nuts:
Key Features:
- Excellent Corrosion Resistance
Highly resistant to oxidation and corrosion in extreme environments, including seawater, acidic solutions, and high-temperature oxidation.
Performs well in harsh chemical and marine conditions.
- High-Temperature Strength
Maintains mechanical integrity at temperatures up to 980°C (1800°F).
Resistant to creep deformation and thermal fatigue.
- Superior Oxidation & Scaling Resistance
Withstands oxidation and scaling at elevated temperatures.
Ideal for aerospace and high-heat applications.
- Outstanding Fatigue & Stress Corrosion Resistance
High resistance to stress-corrosion cracking, particularly in chloride-rich environments.
Excellent fatigue strength for cyclic load applications.
- Excellent Weldability & Fabrication
Can be easily welded and fabricated without the need for post-weld heat treatment.
Maintains structural integrity after welding.
- High Strength & Toughness
Exceptional tensile strength without requiring precipitation hardening.
Provides high yield strength and elongation properties.
- Non-Magnetic
Retains its non-magnetic properties even after exposure to extreme temperatures.
Applications of Inconel 625 Nuts:
- Aerospace components
- Marine and offshore engineering
- Chemical processing industries
- Nuclear power plants
- Heat exchangers and boilers
- Automotive exhaust systems
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