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National Stock Number:
3439-01-478-7576
Federal Supply Class:
3439
National Item Identification Number:
014787576
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 451 | 01FK3 | OERLIKON METCO US INC | | POWCVC | 13873 | DLA AVIATION |
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Techincal Specification:
| CONTENT WITHIN EACH UNIT PACKAGE | 5.0LBS | | MATERIAL | NICKEL ALLOY AND ALUMINUM BASIC | | SPECIAL FEATURES | NSN IS USED TO PURCHASE A MINIMUM OF 60 CONTAINERS AND UP;NI 9.5CR 2.5SI 1.5B 0.5AL,BLEND;-106+22 UM (-140+22 UM);RC 23-33 HARDNESS;TEXTURE/FINISH AS-SPRAYED 500-900C,GROUND 10-30;COATING NUMBERS P451-10,P451-11,T451-10,T451-11 AND T451-12;HIGH NICKEL ALLOY W/A NICKEL-ALUMINUM CONSTITUTENT THAT REACTS EXOTHERMICALLY DURING SPRAYING.PRODUCES HARD,DENSE,SEMI-FUSED COATINGS THAT PROVIDE HARD BEARING SURFACES AND ARE RESISTANT TO WEAR BY ABRASIVE GRAINS,HARD SURFACES,PARTICLE EROSION AND FRETTING.HIGH BOND STRENGTH AND LOW SHRINK PERMIT THICK COATINGS WITHOUT CRACKING.PLASMA FLAME COATINGS HAVE BEST HIGH TEMPREATURE EROSION RESISTANCE OF THE IRON,NICKEL AND COBALT-BASED COATINGS |
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