Inconel 625 (UNS N06625)
Category: INCONEL
Overview
Alloy 625 is used both for its high strength and outstanding aqueous corrosion resistance. The strength of alloy 625 is primarily a solid solution effect from molybdenum and columbium. Alloy 625 weld fillers have excellent weldability and are frequently used to weld AL-6XN® super austenitic stainless steel. Matching filler metals are also used to join dissimilar metals.
The strength of INCONEL 625 is due to the strengthening of its nickel-chromium matrix by molybdenum and niobium, so there is no need for precipitation hardening. This combination of elements has superior properties in dealing with a variety of extremely harsh corrosive environments as well as high temperature oxidation and carbonization.
Chemical Composition
| Cr | Ni | Mo | Co | Cb+Ta | AI | Ti | C | Fe | Mn | Si | P | S | |
| MIN | 20.0 | - | 8.0 | - | 3.15 | - | - | - | - | - | - | - | - |
| MAX | 23.0 | balance | 10.0 | 1.0 | 4.15 | 0.4 | 0.4 | 0.1 | 5.0 | 0.5 | 0.5 | 0.015 | 0.015 |
Physical Properties
| Density | 8.44 g/cm³ |
| Melting Range | 1290-1350 ℃ |
Available Products and Specifications
| Rod, Bar, Wire, and Forging Stock | ASTM B446/ASTM B564 AMS 5666/AMS 5837 |
| Plate, Sheet and Strip | ASTM B 443 , DIN 17750 AMS 5599 / AMS 5869 |
| Pipe and Tube | ASTM B444/ASTM B829 / DIN 17751 ASTM B704/B751 AMS 5581 |
| Other Product Forms | ASTM B 366, DIN 17744 |
| Welding Products | AWS A5.14 ERNiCrMo-3 |
Features
● High creep-rupture strength
● Oxidation resistant to 1800°F
● Good fatigue resistance
● Excellent weldability
● Outstanding resistance to chloride pitting and crevice corrosion
● Immune to chloride ion stress corrosion cracking
● Resistant to seawater under both flowing and stagnant conditions and under fouling
Applications
● Aircraft ducting systems
● Jet engine exhaust systems
● Engine thrust-reverser systems
● Bellows and expansion joints
● Turbine shroud rings
● Flare stacks
● Seawater components
● Chemical process equipment handling mixed acids both oxidizing and reducing
Keywords: Inconel 625 (UNS N06625)
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About Us
Welcome to ZK Alloy, we are professional manufacturer for special alloy materials with twelve years experiences, we mainly produce inconel, monel, hastelloy, high temperature alloy and other nickel based alloy products, which are widely used in aerospace, oil and gas, energy and environmental, automotive, chemical, industrial valves, communication electronics and other industries.
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