Inconel 718 Nickel Alloy Seamless Pipe

Basic Info

Model NO.	N07718
Thickness	1-50mm
out Diameter	6-560mm
Transport Package	Export Standard or as Customers′ Requirements
Specification	EN, GB, ASTM, AISI, JIS, DIN
Trademark	Oubaige
Origin	Tianjin, China
Production Capacity	900 Tons/Month

Product Description

718 Characteristic as below:

1. Workability

2. High tensile strength, endurance strength, creep strength and rupture strength at 700° C.

3. High inoxidability at1000° C.

4. Steady mechanical performance in the low temperature.

5. Good welding performance.

Inconel 718 Metallurgical structure

718 alloy is Austenitic structure, precipitation hardening generate "γ " made it excellent mechanical performance. G rain boundary generate "δ " made it the best plasticity in the heat treatment.

Inconel 718 Corrosion resistance

718 alloy with extremely resistance to stress corrosion cracking and pitting ability in high temperature or low temperature environments, especially the inoxidability in the high temperature.

Inconel 718 Application field:

The elevated temperature strength, excellent corrosion resistance and workability at 700° C properties made it use in a wide range of high requirement environments.

1. Steam turbine

2. Liquid-fuel rocket

3. Cryogenic engineering

4. Acid environment

5. Nuclear engineering

Applications:

It is used in the petroleum industry for applications such as gas well components, valves and tubing, as well as finding use in high-strength piping systems.

CHEMICAL COMPOSITION %

C

Cr

Ni

Mo

Al

Ti

Fe

Nb

B

Mn

Si

P

S

≤0.08

17.0~21.0

50.0~55.0

2.8~3.3

0.20~0.60

0.65~1.15

Balance

4.75~5.50

≤0.006

≤0.35

≤0.35

≤0.015

≤0.015

Inconel 718 minimum mechanical properties in the room temperature

Alloy	Tensile strength Rm N/mm²	Yield strength R P0. 2N/mm²	Elongation A 5 %	Brinell hardness HB
Solution treatment	965	550	30	≤363