UDIMET 188 / UNS R30188
Technical Data Sheet
Alloy 188 is a cobalt-based, solid-solution strengthened alloy that has excellent high temperature strength, excellent oxidation resistance up to 2000! (1093℃), and good sulfidation resistance. The alloy also has good sulfidation resistance and excellent metallurgical stability as displayed by its good ductility after prolonged exposure to elevated temperatures.
Specification
|
Forms |
SAE |
|
Bar |
SAE AMS 5772 |
|
Plate |
SAE AMS 5608 |
|
Forgings |
SAE AMS 5772 |
Application
Used for Gas turbine, etc.
Examples: Combustors, Flame holders, Liners and Transition ducts, etc.
Chemical Composition Limits Wt.% (According to SAE AMS 5772)
|
Element |
C |
Mn |
Si |
P |
S |
Cr |
Ni |
W |
La |
B |
Fe |
Co |
|
Min. |
0.05 |
|
0.20 |
|
|
20.00 |
20.00 |
13.00 |
0.02 |
|
|
Remainder |
|
Max. |
0.15 |
1.25 |
0.50 |
0.020 |
0.015 |
24.00 |
24.00 |
16.00 |
0.12 |
0.015 |
3.00 |
Remainder |
Typical Mechanical Properties
|
Material |
Condition |
Temp. |
Yield Strength |
Tensile Strength |
Elongation |
Hardness |
||
|
ksi |
MPa |
ksi |
MPa |
|||||
|
AMS 5772 Alloy 188 Bar |
Solution Treated |
RT |
55 |
379 |
125 |
862 |
45 |
≤302HB |
Standard product forms
Bars, Forgings, Plate, Rings, Sheet, Strip, Wire, etc.
Services
Every order is treated as carefully and timely as possible, and shipments are handled to ensure that all export procedures are followed correctly so that your order arrives in perfect condition as quickly as possible.
Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.
