SermeTel ® Process 5380 DP ® Coating System SermeTel ® Process 5380 DP ® (Dense Pack) consists of a closely packed aluminum-filled chromate/ phosphate basecoat, sealed with a chemically inert chromate phosphate topcoat. The coating provides excellent protection to stainless steel and ferrous alloys, and will operate at temperatures up to 1200°F (650°C). Advantages SermeTel Process 5380 DP should be used on any component where serious concerns are corrosion and erosion protection, tight tolerances, and surface finish, or where the potential for media entrapment is possible due to part configuration. On dimensionally critical surfaces, precision coating thicknesses of as thin as 0.3 mils (7.5µm) can be achieved. Other advantages include: • Does not require media finishing to achieve final surface finish • Compressibility supports mating surfaces • Excellent corrosion resistance • Excellent surface finish Applications The aerodynamic finish of SermeTel Process 5380 DP makes it ideal for any gas path turbine component, such as compressor blades, vanes and shroud assemblies, and diffusers. Similar SermeTel topcoated systems have seen millions of hours of successful service in military and commercial aviation and industrial turbines. Ground Turbine Specifications • Westinghouse 83342NU • Dresser Rand 015-009-022 • Solar ES59-263 Type B and Type C • European Gas Turbines 525202 Industrial gas turbine rotor coated with SermeTel 5380 DP Praxair Surface Technologies, Inc. 1500 Polco Street Indianapolis, IN 46222 www.praxairsurfacetechnologies.com [email protected] Telephone: +1 317 240 2500 Fax: +1 317 240 2255 © Copyright 2010 Praxair S.T. Technology, Inc. All rights reserved Praxair, the Flowing Airstream design, SermeTel, and 5380 DP are trademarks of Praxair S.T. Technology, Inc. in the United States and/or other countries. The information contained herein is offered for use by technically qualified personnel at their discretion and risk without warranty of any kind. Printed in the United States of America 09-2010 Printed on recycled paper P-10276 Physical Properties Thickness 0.3 to 5.0 mils (7.5 to 127 µm), typically 1.5 mils (37.5 µm) Surface Profile ≤ 10 µinches @ .010" cutoff on new flight components (.25 µm @ 0.3 mm) ≤ 25 µinches @ .030" cutoff on new IGT gas path surfaces (.63 µm @ 0.8 mm) Performance Data (2 mil (50 µm) coating on 1010 steel) Test Results Salt Spray (ASTM B117) No red rust on panels after 2500 hours Abrasion Resistance (ASTM D968) > 300 liters/mil Tensile Bond Strength (ASTM C633) ≥ 8,000 psi (55 MPa) strain rate: 0.1 inch per minute

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C:\Documents and Settings\idyewlc1\My Documents\marketing communications\data sheets\Layout Files\P10276_SermeTel_Process_5380DP_Industrial\P10276_SermeTel_Process_5380DP_Coating_System_Industrial.indd November 8, 2011 11:19 AM page 1

SermeTel® Process 5380 DP® Coating SystemSermeTel® Process 5380 DP® (Dense Pack) consists of a closely packed aluminum-filled chromate/phosphate basecoat, sealed with a chemically inert chromate phosphate topcoat. The coating provides excellent protection to stainless steel and ferrous alloys, and will operate at temperatures up to 1200°F (650°C).

Advantages SermeTel Process 5380 DP should be used on any component where serious concerns are corrosion and erosion protection, tight tolerances, and surface finish, or where the potential for media entrapment is possible due to part configuration. On dimensionally critical surfaces, precision coating thicknesses of as thin as 0.3 mils (7.5µm) can be achieved.

Other advantages include:

• Does not require media finishing to achieve final surface finish

• Compressibility supports mating surfaces

• Excellent corrosion resistance

• Excellent surface finish

Applications The aerodynamic finish of SermeTel Process 5380 DP makes it ideal for any gas path turbine component,

such as compressor blades, vanes and shroud assemblies, and diffusers. Similar SermeTel topcoated systems have seen millions of hours of successful service in military and commercial aviation and industrial turbines.

Ground Turbine Specifications

• Westinghouse 83342NU

• Dresser Rand 015-009-022

• Solar ES59-263 Type B and Type C

• European Gas Turbines 525202

Industrial gas turbine rotor coated with SermeTel 5380 DP

Praxair Surface Technologies, Inc.1500 Polco StreetIndianapolis, IN 46222 [email protected]

Telephone:+1 317 240 2500Fax:+1 317 240 2255

Praxair, the Flowing Airstream design, SermeTel, and 5380 DP are trademarks of Praxair S.T. Technology, Inc. in the United States and/or other countries.

The information contained herein is offered for use by technically qualified personnel at their discretion and risk without warranty of any kind.

Printed in the United States of America09-2010

Printed on recycled paperP-10276

Physical Properties

Thickness 0.3 to 5.0 mils (7.5 to 127 µm), typically 1.5 mils (37.5 µm)

Surface Profile ≤ 10 µinches @ .010" cutoff on new flight components (.25 µm @ 0.3 mm)

≤ 25 µinches @ .030" cutoff on new IGT gas path surfaces (.63 µm @ 0.8 mm) Performance Data (2 mil (50 µm) coating on 1010 steel)

Test ResultsSalt Spray (ASTM B117) No red rust on panels after 2500 hours

Abrasion Resistance (ASTM D968) > 300 liters/mil

Tensile Bond Strength (ASTM C633) ≥ 8,000 psi (55 MPa) strain rate: 0.1 inch per minute