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Inconel

Inconel alloys are oxidation-corrosion-resistant materials that are well suited for use in high-pressure, high-heat environments. Inconel, when heated, forms a thick, stable, passivating oxide layer that protects the surface from further attack. Inconel maintains strength over a wide temperature range, making it appealing for high-temperature applications where aluminum and steel would creep due to thermally-induced crystal vacancies. Inconel's high-temperature strength is developed by solid solution strengthening or precipitation hardening, depending on the alloy.


What is Inconel Alloy used for?

Because of its high temperature resistance and oxidation resistance, Inconel is ideal for use in the oil and gas extraction industries. The oil and gas industries require a superalloy metal, such as Inconel, that can withstand harsh environments and corrosive gases.

Applicatons



Equivalent Grades of Inconel 

STANDARD

WERKSTOFF NR.

UNS

EN

GOST

JIS

BS

AFNOR

Inconel 600

2.4816

N06600

NiCr15Fe

МНЖМц 28-2,5-1,5

NCF 600

NA 13

NC15FE11M

Inconel 601

2.4851

N06601

NiCr23Fe

XH60BT

NCF 601

NA 49

NC23FeA

Inconel 625

2.4816

N06625

NiCr22Mo9Nb

ХН75МБТЮ

NCF 625

NA 21

NC22DNB4M

Inconel 718

2.4668

N07718

Mechanical properties of Inconel 

Element

Density

Melting Point

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

Inconel 600

8.47 g/cm3

1413 °C (2580 °F)

Psi – 95,000 , MPa – 655

Psi – 45,000 , MPa – 310

40 %

Inconel 601

8.1 g/cm3

1411 °C (2571 °F)

Psi – 80,000 , MPa – 550

Psi – 30,000 , MPa – 205

30 %

Inconel 625

8.4 g/cm3

1350 °C (2460 °F)

Psi – 1,35,000 , MPa – 930

Psi – 75,000 , MPa – 517

42.5 %

Inconel 718

8.2 g/cm3

1350 °C (2460 °F)

Psi – 1,35,000 , MPa – 930

Psi – 75,000 , MPa – 482

45 %

Chemical Composition


Grade

C

Mn

Si

S

Cu

Fe

Ni

Cr

Inconel 600

0.15 max

1.00 max

0.50 max

0.015max

0.50 max

6.00 – 10.00

72.00 min

14.00 – 17.00

Inconel 601

0.10 max

1.0 max

0.5 max

0.015 max

1.0 max

Balance

58.0 – 63.0

21.0 – 25.0

Inconel 625

0.10 max

0.50 max

0.50 max

0.015 max

5.0 max

58.0 min

20.0 – 23.0

Inconel 718

0.08 max

0.35 max

0.35 max

0.015 max

0.30 max

50.00 – 55.00

17.00 – 21.00