Generic IN718 Nickel Alloys

Material group: Nonferrous Alloys / Nickel Alloys

Country / Standard: Generic

Data updates

Latest Update: 2025-05

Total number of updates: 3

Update History

2024-10 2024-06

This material has 806 properties — only a subset is shown here.

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Generic IN718 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.20 – 0.80

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

≤ 0.006

UNIT

CAS NUMBER

7440-42-8

CRITERIA

VALUE

≤ 0.08

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-48-4

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

Nb+Ta

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

Ni+Co

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-32-6

Smooth and notch fatigue behavior of selectively laser melted Inconel 718 with as-built surfaces, G. Nicoletto, Elsevier, 2019

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Generic IN718 Physical Properties

Temperature

0 - 30°C ≥ 300°C

PROPERTY / VALUE

Compression Modulus

209 — 213 GPa

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Modulus of Elasticity

89 — 214.3 GPa

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Bulk Density

val1 kg/dm³

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Density

val1 kg/dm³

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This material has 806 properties — only a subset is shown here.

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Generic IN718 Heat Treatments

Stress relieving at 1065 °C for 1.5 hours, followed by furnace cooling; and HIP at 1165 °C and ~100 MPa for 3 to 4 hours; and solution treating at 1066 °C for 1 hour then air cooling; and aging at 760 °C for 10 hours, then furnace cooling to 650 °C and treating for total of 20 hours.
Solution treatment plus an aging step: The solution consists of heating up to a temperature of 954 °C and a soaking time of 1 h, while, the aging treatment was divided into two steps, a first one at a temperature of 718 °C and a second at 621 °C, each of these steps lasting 8 h.

Generic IN718 Mechanical Properties

Temperature

0 - 30°C ≥ 300°C

PROPERTY / VALUE

Tensile Strength

721.6 — 1593 MPa

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Elongation, A

7.7 — 41 %

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Yield Strength, Rp0.2

val1 MPa

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Compression Yield Strength

val1 MPa

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Grain Size

val1 mm

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Reduction of Area

val1 %

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Rockwell Hardness (HR)

val1

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Vickers Hardness (HV)

val1

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Yield Strength, Rp1

val1 MPa

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44Cross References

406Composition
282Mechanical Properties
41Physical Properties
33Heat Treatment
-Metallography
-Machinability

-Stress-Strain
-Formability
-Fatigue
-Fracture
-Creep

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-Tribology

-Corrosion
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