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Product Detail

GH80A

Detail

GH80A

Materialgrade: GH80A superalloy

British grade:Nimonic80A

I. Overview of GH80A:

GH80A is a superalloy with nickel-chromiumas matrix and aluminum and titanium added to form γ ′ phase dispersionstrengthening. Except for a slightly higher aluminum content, the alloy issimilar to GH4033 with work temperature of 700 800 , and good creep resistance and oxidation resistance at 650 850 . The alloy has good coldand hot workability and is mainly supplied in form of hot-rolled bars,cold-drawn bars, hot-rolled plates, cold-rolled plates, strips and rings,extensively used in manufacturing of engine rotor blades, guide blade supports,bolts, blade lock plate and other parts.

II. Chemicalcomposition:

C≤

Si≤

Mn≤

P≤

S≤

Cr≥

Ni≥

Cu≤

B≥

0.04-0.10

0.8

0.4

0.02

0.015

18.0-21.0

Balance

0.2

0.008

Other

N≤

Al≤

Ti≤

Fe≤

Co≤

Ag≤

Bi≤

Pb≤

-

1.0-1.80

1.80-2.70

1.5

2

0.0005

0.0001

0.002

Note: B is added in a calculated amount,and the addition of trace amounts of Ce, Zr, Mg is allowed.

III. Physical andchemical properties:    

1. Thermal performance:                                       

(1) Melting temperature range: meltingpoint 1405 ° C.

(2) Thermal conductivity:

C≤

Si≤

Mn≤

P≤

S≤

Cr≥

Ni≥

Cu≤

B≥

0.04-0.10

0.8

0.4

0.02

0.015

18.0-21.0

Balance

0.2

0.008

Other

N≤

Al≤

Ti≤

Fe≤

Co≤

Ag≤

Bi≤

Pb≤

-

1.0-1.80

1.80-2.70

1.5

2

0.0005

0.0001

0.002

(3) Coefficient of linear expansion:

θ/

16100

16200

16300

16400

16500

16600

16700

α/10 -6 -1

12.18

12.86

13.69

14.08

14.5

14.94

15.36

2. Density: ρ = 8.15g/cm 3 .

3. Electrical performance: room temperatureρ = 1.23 × 10 -6 Ω.m.  

4. Magnetic properties: non-magnetic.


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