Inconel 625 Bar

UNS N06625/W.NR.2.4856/alloy625

It has excellent corrosion resistance and oxidation resistance, has good tensile properties and fatigue properties from low temperature to 980 °C, and is resistant to stress corrosion in salt spray atmosphere. Therefore, it can be widely used in the manufacture of aero-engine parts, aerospace structural parts and chemical equipment and occasions exposed to seawater and subjected to high mechanical stress.

 

Similar Grades

United States: UNS N06625

France: NC 22DNb

United Kingdom: NA21

Germany: W.Nr.2.4856, NiCr22Mo9Nb

 

Typical values(Weight %)

Cr	Ni	Mo	C	Si	P	S	Nb
			≤
20.0-23.0	Remain	8.0-10.0	0.10	0.50	0.015	0.015	3.15-4.15

 

Inconel625 Physical Properties

Density: 8.28 g/cm3

Melting point: 1295-1381℃

Magnetic: no

Linear expansion coefficient: 12.1-16.1

Hardness: 150-220 (HB)

 

Inconel625 Mechanical Properties (Room Temperature)

Product		σЬ / MPa	σ0..2 / MPa	δ5 (%)
Bar	≥100mm	830	415	25
	≤100mm	760	345	30

 

Inconel 625 Corrosion Resistance

Exhibits excellent corrosion resistance in many media.

Excellent resistance to pitting, crevice, intergranular and erosion in chloride media.

It has good corrosion resistance to inorganic acids, such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, etc., and also has alkali and organic acid corrosion resistance in oxidizing and reducing environments.

Effective resistance to chloride ion reductive stress corrosion cracking.

There is almost no corrosion in seawater and industrial gas environments, and it has high corrosion resistance to seawater and salt solutions, even at high temperatures.

No sensitivity during soldering.

Resistant to carbonation and oxidation in static or cyclic environments, and resistant to chlorine-containing gases.

 

Inconel625 application field

Components of organic chemical process processes containing chlorides, especially where acidic chloride catalysts are used

Manufacture of digesters and bleaching ponds in the pulp and paper industry

Absorption tower, reheater, flue gas inlet baffle, fan (wet), agitator, deflector, flue, etc. in the flue gas desulfurization system

Manufacture of equipment and components for use in sour gas environments

Acetic acid and acetic anhydride reaction generator

Sulfuric acid condenser

 

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