Nickel

ASTM B443 Inconel 625 Nickel Plate/Sheet

ASTM B443 Inconel 625 Nickel Plate/Sheet
Product Details

ASTM B443 Inconel 625 Nickel Plate/Sheet

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Inconel 625 is a nickelbase alloy used both for its high strength and outstanding aqueous corrosion resistance. The strength of alloy 625 is primarily a solid solution effect from molybdenum and columbium. Alloy 625 has excellent weldability and is frequently used to weld AL-6XN alloy. Matching filler metals are also used to join dissimilar metals.

 

Chemistry


Cr

Ni

Mo

Co

Cb+Ta

Al

Ti

C

Fe

Mn

Si

P

S

MIN

20.0

-

8.0

-

3.15

-

-

-

-

-

-

-

-

MAX

23.0

Balance

10.0

1.0

4.15

0.4

0.4

0.1

5.0

0.5

0.5

0.015

0.015


Features

  • High creep-rupture strength

  • Oxidation resistant to 1800°F

  • Good fatigue resistance

  • Excellent weldability

  • Outstanding resistance to chloride pitting and crevice corrosion

  • Immune to chloride ion stress corrosion cracking

  • Resistant to seawater under both flowing and stagnant conditions and under fouling

Applications

  • Aircraft ducting systems

  • Jet engine exhaust systems

  • Engine thrust-reverser systems

  • Bellows and expansion joints

  • Turbine shroud rings

  • Flare stacks

  • Seawater components

  • Chemical process equipment handling mixed acids both oxidizing and reducing

Physical properties

Density: 0.305 lb/in 3 
Melting point: 2350-2460°F
 

Temperature, °F

70

400

600

800

1000

1200

1400

1600

Coefficient* of Thermal Expansion, in/in°F x 10 -6

-

7.3

7.4

7.6

7.8

8.2

8.5

8.8

Thermal Conductivity 
Btu • ft/ft2 • hr • °F

5.7

7.2

8.2

9.1

10.1

11.0

12.0

13.2

Modulus of elasticity, dynamic psi x 10 6

30

28

28

27

26

24

23

-

 * 70°F to indicated temperature. 

Mechanical properties 

Representative Tensile Properties, Bar

Temperature,°F

70

400

600

800

1000

1200

1400

1600

Ultimate tensile strength, ksi

144

134

132

132

130

119

78

40

0.2% yield strength, ksi

84

66

63

61

61

60

59

39

Elongation, %

44

45

42.5

45

48

34

59

117

 

 



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