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Inconel 625
product details

Inconel625

Commercial grade: Inconel625 nickel-basedsuperalloy

US grade: UNS N06625

Chinese grade: GH3625/GH625

French grade: NC22DNb

German grade: W.Nr.2.4856

I. Overview of Inconel625(NO6625) Superalloy:

Inconel625 is a solid solution strengthenednickel-based deformed superalloy with molybdenum and niobium as the mainstrengthening elements. It has excellent corrosion resistance and highoxidation performance, and has good tensile properties and fatigue propertiesfrom cryogenic temperature to 980 ° C, and has stress corrosion resistance in asalt spray atmosphere. Therefore, it can be widely used in the manufacture ofaero-engine parts, aerospace structural parts and chemical equipment. The alloyhas good processing and welding performance. Huacheng Jinyan can supply in formof plates, rods, tubes, wires, strips and forgings.

Chemical composition: see table 1-1:

Table 1-1 %

C≤

Si≤

Mn≤

P≤

S≤

Cr≥

Ni≥

Mo≥

Cu≤

0.1

0.5

0.5

0.015

0.015

20.0-23.0

Balance

-

0.07

Other

N≤

Al≤

Ti≤

Fe≤

Co≤

V≤

W≤

Nb≤

-

0.4

0.4

5

1

-

-

3.15-4.15

II. Physical and chemicalproperties:   

1. Thermal performance:

(1) Melting temperature range: 1290 1350 .

(2) Thermal conductivity: see Table 2-1.

(3) Specific heat capacity: See Table 2-2.

(4) Coefficient of linear expansion: see Table2-3;

2. Density: ρ = 8.44g / cm3.

3. Magnetic properties:   non-magnetic.

4. Chemical properties:

(1) Anti-oxidation performance: The alloy hasexcellent high-temperature oxidation resistance. The weight change of the alloyafter cyclic oxidation in air at high temperature is shown in Table 2-1.

Table 2-1

Cycle oxidation time / h

100

200

300

400

500

600

700

800

weight

980

0.086

0.065

0.065

0.048

0.021

-

0.03

-0.081

Variety/%

1095

-0.182

-1.086

-3.335

-5.399

-6.566

-10.066

-

-

(2) Corrosion resistance: The alloy has goodresistance to seawater corrosion, see Table 2-2. The alloy is also resistant tovarious salt solutions. In addition, it has good resistance to the corrosion ofnitric acid and phosphoric acid. It also has considerable resistance to thecorrosion of hydrochloric acid and low concentration of sulfuric acid heatedbelow the boiling point.

Table 2-2

Test days

Specimen type

Weight loss / g

Local corrosion

test

Days

Specimen type

Weight loss / g

Local corrosion

In still sea water

In flowing seawater (0.61m / s)

180

Smooth

0.05

no

180

Smooth

0.04

no

Smooth
  slotted

0.05

no

Smooth
  slotted

0.05

no

365

Smooth

0.02

no

365

Smooth

0.01

no

Smooth
  slotted

0.04

no

Smooth
  slotted

0.02

no

Note: The smooth specimen refers to the flatspecimen of 6.4mm × 100mm × 300mm with circular welds, which is annealed at 980before welding. The specimen with a gap means that a 32 mm fiber washer isbolted to the center of the plate surface.

III. Specifications and Ex-factorystatus

1. Classification: We can supply in form ofseamless pipes, steel plates, round steel, forgings, flanges, rings, weldedpipes, steel strips, wire and supporting welding materials.

2. Ex-factory status: Seamless Tube: solidsolution + acid white, length can be fixed; Plate: solid solution, pickling,trimming; Welded Tube: solid solution acid white + RT% flaw detection; Forging:annealing + turning; the bar is delivered in the state of forging, surface polishingor lapping; the strip is delivered after cold rolling, solid solutionsoftening, and descaling; the wire is solid-dissolved and pickled in a disc orstraight strip, solid solution straight polished.


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Email:sales@czam-alloy.com

+86-13270375917

CHANGZHOU ALLOY MATERIAL
ADD

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