Nimonic 263® or Haynes 263®

Chemical Analysis

C

.04 - .08

Mn

.60 max

Fe

0.7 max

S

.007 max

Si

.40 max

Cr

19.0 - 21.0

Ni

bal

Al + Ti

2.4 – 2.8

Cu

0.20 max

Al

0.60 max

Co

19.0 – 21.0

B

.005 max

Pb

.002 max

Ag

.0005 max

Ti

1.9 -2.4

Mo

5.6 – 6.1

Nimonic 263 is a precipitation-hardenable nickel-chromium-cobalt alloy with an addition of molybdenum for solid-solution strengthening. Nimonic 263 has high strength and corrosion resistance along with good formability and high-temperature ductility in welded structures. Nimonc 263 is especially suitable for sheet applications. Used in gas turbines for rings, casings, and various sheet fabrications.

Available forms of Nimonic 263®​ are round, flats, extruded section, tube, plate, sheet, and wire.