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Incoloy 901 forging Disc

Incoloy 901 forging Disc

Incoloy-901-forging-Disc1Incoloy-901-forging-Disc

 

Incoloy 901

UNS

Trademark

N09901

Incoloy 901

 

Incoloy 901 Chemical composition:

Alloy

%

Ni

Cu

Al

Fe

Ti

Co

Mn

S

C

Si

P

Cr

Mo

B

Incoloy 901

Min.

40.0

 

 

Balance

2.35

 

 

 

 

 

 

11.0

5.0

0.01

Max.

45.0

0.50

0.35

3.10

1.0

1.0

0.03

0.10

0.60

0.03

14.0

7.0

0.02

Incoloy 901 Physical properties:

Density

8.14 g/cm3

Melting point

1280-1345°C


Incoloy 901 minimum mechanical properties in the room temperature:

Status

Tensile strength Rm

N/mm2

Yield strength RP0.2

N/mm2

Elongation A5

%

Incoloy 901

1034

689

12

Description
A nickel-iron-chromium alloy containing titanium and aluminum for precipitation hardening and molybdenum for solid-solution strengthening. The alloy has high yield strength and creep resistance at temperatures to about 1110°F (600°C). A subtantial iron content enables the alloy to combine high strength with good forging characteristics. Used in gas turbines for discs and shafts. Standard products form is round.


Corrosion Resistance
Alloy 901 has good corrosion resistance to the atmospheres normally found in jet engine operations. It has slightly lower scaling resistance than such alloy as Types 309 and 310 stainless steel.


Workability


Hot Working
Alloy 901 is forged between 2050°F (1121°C) and 1850°F (1010°C), metal temperature. Light hot work may be continued down to 1600°F (871°C) but not below. Metal temperature should not exceed 2050°F (1121°C) during rapid working. Billets should be charged into a hot furnace and heated rapidly through the precipitation hardening range.

Weldability
Alloy 901 can be welded by the inert-gas-arc method. It is difficult to weld. All welding should be done in the solution treated condition. Cold worked parts should be re-solution treated before welding. A re-solution treatment is recommended after welding before stabilizing and aging.

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