Inconel® 718

Learn about Inconel® 718, a Nickel-Chromium alloy that can be strengthened through precipitation hardening.

Inconel® 718 Overview

This Nickel-Chromium alloy can be strengthened through precipitation hardening and demonstrates excellent creep-rupture strength at elevated temperatures, reaching up to approximately 700°C (1290°F). It surpasses Inconel® X-750 in strength and offers improved mechanical performance at lower temperatures when compared to both Nimonic 90 and Inconel® X-750. In addition, Inconel® 718 is notable for its outstanding weldability, especially when contrasted with other nickel-based superalloys that are hardened using aluminum and titanium.

Inconel® 718 Composition

	C	Minnesota	Si	PAG	S	cr	Ni	Mes	Nb/Cb	ti	Alabama	Co	Ejército de reserva	B	cobre	Pb	Bi	Se	Fe
Min %	–	–	–	–	–	17	50	2.8	4.75	0.65	0.2	–	–	–	–	–	–	–	bala
Max %	0.08	0.35	0.35	0.015	0.015	21	55	3.3	5.5	1.15	0.8	1.0	0.05	0.006	0.3	.0005	.0003	.0003

Designations and Specifications

Designations

W.NR 2.4668
UNS N07718

Specifications

AMS 5662
AMS 5663
AMS 5832
AMS 5962
ASTM B637
ISO 15156-3
NACE MR 0175
API 6A718

Aplicaciones

Common Inconel® 718 applications include:

Turbines
Aeroespacial
Reactores nucleares
Automotor
Oil & Gas Equipment
muelles

Fuerza de Tensión

Condition	N/mm²	KSI
Annealed	<1000	<145

Condition	As Drawn		After Ageing
Condition	N/mm²	KSI	N/mm²	KSI
No1 Temper & Aged *	1000 – 1200	145 – 175	1520 – 1720	220 – 250

Condition	As Drawn		After Ageing
Condition	N/mm²	KSI	N/mm²	KSI
Spring Temper & Aged **	1250 – 1550	180 – 225	1700 – 1950	247 – 283

* No1 or Spring Temper (for ISO 15156-3 / NACE MR 0175) anneal at 1010 °C (1850 °F) for 2 hours and air cool then heat treat at 790 °C (1455 °F) for 6 hours and air cool

** No1 or Spring Temper – Ageing process heat treatment at 718 °C (1330 °F) for 8 hours and adjust temperature to 621 °C (1150 °F) and hold for 18 hours and then air cool

Información del Producto

Opciones de embalaje

Bobinas
Carretes
Bars/Cut Lengths
Embalaje personalizado disponible