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National Stock Number:
3439-01-478-4059
Federal Supply Class:
3439
National Item Identification Number:
014784059
Description:
WELDING POWDER,METALLIC OVERLAY
Detail:
A metallic powder used for coating metallic or nonmetallic surfaces by the welding process, to produce a surface resistant to abrasion and/or corrosion. It may be applied with an oxy-acetylene torch, furnace, or with a spray weld gun.
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Manufacturer Information:
| METCO 205NS | 01FK3 | OERLIKON METCO US INC | | POWCVC | 13873 | DLA AVIATION |
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Techincal Specification:
| CONTENT WITHIN EACH UNIT PACKAGE | 12.5LBS | | SPECIAL FEATURES | NSN IS USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 7 CONTAINERS;ZR O 25CE O 2.5Y O;-90+16 UM (-170 MESH +16 UM);RC 30-35 HARDNESS;TEXTURE/FINISH AS SPRAYED 350-500;CERIUM OXIDE,YTTRIUM OXIDE STABLIZED ZIRCONIUM OXIDE POWDER.SPHERICAL FREE FLOWING AND FULLY ALLOYED POWDER PARTICLES.PRODUCES THE BEST THERMAL BARRIER COATINGS (TBC'S) IN TERMS OF LOWEST THERMAL CONDUCTIVITY AND RESISTANCE TO FATIGUE CAUSED BY THERMAL CYCLING.COATINGS ALSO EXHIBIT RESISTANCE TO HIGH TEMPREATURE DEGRADATION CAUSED BY FUEL CONTAMINANTS IN JET ENGINES.RECOMMENDED FOR PROTECTION OF CRITICAL METAL COMPONENTS FROM HEAT AND PARTICLE EROSION AT ELEVATED TEMPREATURES.IDEALLY SUITED FOR SEVERE THERMAL BARRIER APPLICATIONS AND OFFERS GREATER HIGH TEMPREATURE CORROSION RESISTANCE AGAINST SODIUM, SULFUR AND CHLORINE CONTAMINANTS COMPARED TO 8% YTTRIA ZIRCONIA COATINGS |
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