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Nickel Alloy 718

Nickel Alloy 718 is a precipitation hardened nickel-chromium alloy containing significant amounts of iron, niobium and molybdenum with lesser amounts of aluminium and titanium. Maintains high strength, good ductility and oxidation resistance up to high temperatures while also having outstanding cryogenic properties. It has outstanding weldability including resistance to post-weld cracking.

Typical applications: Downhole tools, choke stems, gate valves, sub-surface safety valves, tubing hangers, wellhead components and fasteners.

To view Alloy 718 chemical analysis, specification or shapes & sizes please click on the tabs below.

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Rounds (mm)
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
200
205
215
220
225
230
240
250
260
270
280
285
300
Rounds (inch)
1/2
9/16
5/8
3/4
7/8
1
1 1/8
1 1/4
1 3/8
1 1/2
1 5/8
1 3/4
2
2 1/4
2 1/2
2 3/4
3
3 1/4
3 1/2
3 3/4
4
4 1/2
4 3/4
5
5 1/2
5 3/4
6

This is our standard size range. If you do not see the shape, size or grade you require, please contact us as we will be happy to assist you with reaching your requirements.

EN NumberUNSB637
2.4668N07718B637
CMnPSSiCrNiMoCuTiBAICoCb+Ta
.08.35.015.015.3517-2150-552.8-3.3.3.65-1.15.006.2-.814.75-5.5

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