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Inconel 718, 2.4668, N07718, Nickel Alloy Spring Wire

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Inconel 718, 2.4668, N07718, Nickel Alloy Spring Wire

Brand Name : fushun

Model Number : 718

Certification : ISO NQA

Place of Origin : CHINA

MOQ : 1KG

Payment Terms : L/C, T/T, D/P, D/A

Delivery Time : 1

Material : Nickel Alloy

Application : Spring

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Inconel 718, 2.4668, N07718, Nickel Alloy Spring Wire

Nickel-Chromium alloy being precipitation hardenable and having high creep-rupture strength at high temperatures to about 700°C (1290°F). It has higher strength than Inconel X-750 and better mechanical properties at lower temperatures than Nimonic 90 and Inconel X-750. Inconel 718 has exceptional weldability compared to the Nickel-base super alloys hardened by Aluminium and Titanium.

Size

Diameter: 0.1 - 40mm

Shape: round, square, flat, special shaped

Key Features

Inconel 718 offers the following key features:

Good creep rupture strength at high temperatures

Higher strength than Inconel X-750

Better mechanical properties at lower temperatures than Nimonic 90 & Inconel X-750

Age hardenable

High temperature dynamic applications^^

Typical Applications

Inconel 718 is known to be suitable for the following applications:

Gas Turbines

Rocket Motors

Space Craft

Nuclear Reactors

Pumps

Oil & Gas Equipment

Designations

W.NR 2.4668

UNS N07718

AWS 013

Specifications

AMS 5662

AMS 5663

AMS 5832

AMS 5962

ASTM B637

GE B5OTF14/15

GE B14H89

ISO 15156-3

(NACE MR 0175)

API 6A718

Chemical Composition

Element Min % Max %
C – 0.08
Mn – 0.35
Si – 0.35
P – 0.015
S – 0.015
Cr 17 21
Ni 50 55
Mo 2.8 3.3
Nb/Cb 4.75 5.5
Ti 0.65 1.15
Al 0.2 0.8
Co – 1
Ta – 0.05
B – 0.006
Cu – 0.3
Pb – 0.0005
Bi – 0.00003
Se – 0.0003
Fe bal

Physical Properties

Density Melting Point Coefficient of Expansion Modulus of Rigidity Modulus of Elasticity
8.19g/cm³ 133 6 °C 13.0 μm/m °C (20 – 100 °C) 77.2 kN/mm² 204.9 kN/mm²
0.296 lb/in³ 2437 °F 7.2 x 10-6 in/in °F (70 – 212 °F) 11197 ksi 29719 ksi

Heat treatment

Condition Type Temperature Time Cooling
No. 1 or Spring Temper Anneal 980 °C (1800 °F) 1hr Air
Age Harden 720 °C (1330 °F) 8hr Furnace
Total Age 620 °C (1150 °F) 18hr Air
No. 1 or Spring Temper (for ISO 15156-3 / NACE MR 0175) Anneal 1010 °C (1850 °F) 2hr Air
Age Harden 790 °C (1455 °F) 6hr Air
No. 1 Temper or Spring Temper Age Harden 720 °C (1330 °F) 8hr Furnace
Total Age 620 °C (1150 °F) 18hr Air

Mechanical Properties

Annealed
Approx. tensile strength <1000 N/mm² <145 ksi
No. 1 Temper
Approx. tensile strength 1000 – 1200 N/mm² 145 – 175 ksi
Spring Temper
Approx. tensile strength 1250 – 1550 N/mm² 180 – 225 ksi
No. 1 Temper + Annealed + Aged
Approx. tensile strength 1250 – 1450 N/mm² 181 – 210 ksi
Approx. operating temperature depending on load^^ and environment -200 to +550 °C -330 to +1020 °F
No. 1 Temper + Aged
Approx. tensile strength 1520 – 1720 N/mm² 220 – 250 ksi
Approx. operating temperature depending on load^^ and environment Contact Alloy Wire Technical Dept
Spring Temper + Annealed + Aged
Approx. tensile strength 1250 – 1450 N/mm² 181 – 210 ksi
Approx. operating temperature depending on load^^ and environment -200 to +550 °C -330 to +1020 °F
Spring Temper + Aged
Approx. tensile strength 1700 – 1950 N/mm² 247 – 283 ksi
Approx. operating temperature depending on load^^ and environment Contact Alloy Wire Technical Dept


Inconel 718, 2.4668, N07718, Nickel Alloy Spring Wire Manufactures

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