Haynes 188™ - UNS R30188

Chemical Analysis

C

.05- .15

MN

1.25 max

P

.020 max

S

.015 max

Si

.20- .50

Cr

21.0- 23.0

Ni

20.0- 24.0

Co

bal

B

.015 max

W

13.0- 15.0

La

.03- .15

Common Trade Names: Haynes® 188, Udimet® 188, Conicro® 4023

Haynes 188™is a cobalt-base alloy with excellent high temperature strength and great oxidation resistance up to 2000° F. Haynes 188’s has good resistance to sulfidation and good metallurgical stability, therefore Haynes 188™ can be easily fabricated. Haynes 188™ is useful in gas turbine applications such as flame holders, liners, combustors and transition ducts.

Available forms of Haynes 188™​ are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and flanges.