Steam turbine having applied novel erosion resistant surfaces and methods for applying these surfaces

Patent · Tue Sep 17 00:00:00 EDT 1991

OSTI ID:5668505

Dunmire, J C; Reynolds, Jr, S D

This patent describes a steam turbine system of the type employed for generating electric power, a method of providing an erosion resistant surface to a carbon steel steam turbine component. It comprises providing a carbon steel steam turbine component having a first surface there on; and welding a first steel weldment comprising at least 12 wt % Cr onto the first surface at a welding speed of about 61-132 cm, per minute the weldment having a nominal first pass thickness of less than about 0.25 cm.

• Assignee: Westinghouse Electric Corp., Pittsburgh, PA (United States)
• Patent Number(s): US 5049716; A
• Application Number: PPN: US 7-390138
• OSTI ID: 5668505
• Resource Relation: Patent File Date: 7 Aug 1989
• Country of Publication: United States
• Language: English

Related Subjects

20 FOSSIL-FUELED POWER PLANTS
36 MATERIALS SCIENCE
CARBON STEELS
CORROSION RESISTANCE
FOSSIL-FUEL POWER PLANTS
STEAM TURBINES
MATERIALS TESTING
POWER GENERATION
RELIABILITY
SERVICE LIFE
ALLOYS
EQUIPMENT
IRON ALLOYS
IRON BASE ALLOYS
MACHINERY
POWER PLANTS
STEELS
TESTING
THERMAL POWER PLANTS
TURBINES
TURBOMACHINERY
200104* - Fossil-Fueled Power Plants- Components
360105 - Metals & Alloys- Corrosion & Erosion