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GH4033 (GH33) Chinese grade: GH4033 (GH33)

Detail

GH4033 (GH33)

Chinesegrade: GH4033 (GH33) superalloy

Foreign grade: ЭЙ437Б, ХН77ТЮР (Russia)

I. Overview of GH4033:

GH4033 is a nickel-chromium-based alloywith the addition of aluminum and titanium to form a γ, to bephase-dispersion-strengthened. It has sufficient high-temperature strength at700 ~ 750 ° C and good oxidation resistance below 900 ° C. The alloy has goodheating performance and   mainly besupplied in form of hot-rolled rods and disk blanks. It is usually used inmaking engine rotor parts.

II. Chemicalcomposition: %

C≤

Si≤

Mn≤

P≤

S≤

Cr≥

Ni≥

Mo≥

Cu≤

0.03-0.08

0.65

0.35

0.015

0.007

19.0-22.0

Balance

-

-

Other

N≤

Al≤

Ti≤

Fe≤

B≤

Ce≤

W≤

Nb≤

-

0.60-1.00

2.40-.80

4

0.01

0.01

-

-

III. Physicalproperties:

1. Thermal performance:

(1) Thermal conductivity:

θ/

100

200

300

400

500

600

700

800

900

λ/(W/(m · C))

11.3

12.97

14.64

16.32

17.99

20.08

22.59

25.11

27.62

(2) Linear expansion coefficient:

θ/

20   ~ 100

20   ~ 200

20   ~ 300

20   ~ 400

20   ~ 500

20   ~ 600

20   ~ 700

20   ~ 800

20   ~ 900

α/10-6C-1

11.56

12.3

13.17

13.79

14.52

15.07

15.62

16.3

17.15

2. Density: ρ = 8.2g/c

3. Electrical property: ρ = 1.24 × 10-6Ω ·m

4. Magnetic properties: Non-magnetic

III. Chemicalproperties:

1. Oxidation resistance: Oxidation rateafter 100h test in air medium:

θ/

Oxidation   rate/(g/(m3 · h))

Oxidation   rate/(g/(m3 · h))

Oxidation   rate/(g/(m3 · h))

Oxidation   rate/(g/(m3 · h))

25h

50h

75h

100h


800

0.086

0.064

0.051

0.045

900

0.212

0.171

0.133

0.118

1000

0.732

0.491

0.376

299


Chinesegrade: GH4033 (GH33) superalloy

Foreign grade: ЭЙ437Б, ХН77ТЮР (Russia)

I. Overview of GH4033:

GH4033 is a nickel-chromium-based alloywith the addition of aluminum and titanium to form a γ, to bephase-dispersion-strengthened. It has sufficient high-temperature strength at700 ~ 750 ° C and good oxidation resistance below 900 ° C. The alloy has goodheating performance and   mainly besupplied in form of hot-rolled rods and disk blanks. It is usually used inmaking engine rotor parts.

II. Chemicalcomposition: %

C≤

Si≤

Mn≤

P≤

S≤

Cr≥

Ni≥

Mo≥

Cu≤

0.03-0.08

0.65

0.35

0.015

0.007

19.0-22.0

Balance

-

-

Other

N≤

Al≤

Ti≤

Fe≤

B≤

Ce≤

W≤

Nb≤

-

0.60-1.00

2.40-.80

4

0.01

0.01

-

-

III. Physicalproperties:

1. Thermal performance:

(1) Thermal conductivity:

θ/

100

200

300

400

500

600

700

800

900

λ/(W/(m · C))

11.3

12.97

14.64

16.32

17.99

20.08

22.59

25.11

27.62

(2) Linear expansion coefficient:

θ/

20   ~ 100

20   ~ 200

20   ~ 300

20   ~ 400

20   ~ 500

20   ~ 600

20   ~ 700

20   ~ 800

20   ~ 900

α/10-6C-1

11.56

12.3

13.17

13.79

14.52

15.07

15.62

16.3

17.15

2. Density: ρ = 8.2g/c

3. Electrical property: ρ = 1.24 × 10-6Ω ·m

4. Magnetic properties: Non-magnetic

III. Chemicalproperties:

1. Oxidation resistance: Oxidation rateafter 100h test in air medium:

θ/

Oxidation   rate/(g/(m3 · h))

Oxidation   rate/(g/(m3 · h))

Oxidation   rate/(g/(m3 · h))

Oxidation   rate/(g/(m3 · h))

25h

50h

75h

100h


800

0.086

0.064

0.051

0.045

900

0.212

0.171

0.133

0.118

1000

0.732

0.491

0.376

299


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