Inconel 625 alloy has similar grades in different countries and regions, as follows:
-United States: Inconel 625, UNS N06625
-China: NS336
Europe: 2.4856
-Japan: NCF 625
Inconel 625
Inconel 625 Alloy Properties
Inconel 625 is a nickel-chromium-molybdenum alloy with excellent corrosion resistance and high temperature strength, and is especially suitable for anti-oxidation and acid-base corrosion environments. The alloy is widely used in chemical industry, aerospace and marine engineering.
Ingredients
|
element |
Content (%) |
|
Nickel (Ni) |
margin |
|
Chromium (Cr) |
20.0-23.0 |
|
Molybdenum (Mo) |
8.0-10.0 |
|
Niobium + Tantalum (Nb + Ta) |
3.15-4.15 |
|
Iron (Fe) |
≤ 5.0 |
|
Manganese (Mn) |
≤ 0.5 |
|
Silicon (Si) |
≤ 0.5 |
|
Aluminum (Al) |
≤ 0.4 |
|
Titanium (Ti) |
≤ 0.4 |
|
carbon (C) |
≤ 0.1 |
|
Phosphorus (P) |
≤ 0.015 |
|
Sulfur (S) |
≤ 0.015 |
Physical Properties
|
performance index |
value |
|
density |
8.44 g/cm³ |
|
melting point |
1290-1350°C |
|
Coefficient of thermal expansion (20-1000°C) |
12.8 x 10⁻⁶ /°C |
|
thermal conductivity |
9.8 W/(m·K) |
|
modulus of elasticity |
205 GPa |
heat treatment
|
Processing Steps |
Description |
|
solution treatment |
is heated at 980-1040°C and then rapidly cooled to maintain toughness and corrosion resistance. |
machining and welding
·Cold working: suitable for cold drawing and cold rolling, which can increase strength.
·Hot processing: It should be carried out between 900-1200°C.
·welding: suitable for TIG and MIG welding, no special heat treatment after welding.
Application
·chemical equipment: heat exchangers and pipes suitable for anti-corrosion environment.
·Aerospace: Structural components in high temperature environments.
·Offshore engineering: suitable for hull and offshore platform resistant to seawater corrosion.
·nuclear industry: suitable for reactor components and waste treatment equipment.
Inconel 625 alloys are available in different shapes and sizes, including plates, bars, wires and forgings.
