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TEST OF ALUMINUM SNATCH-BLOCK SHEAVES (10-INCH WITH SPECIAL HARD COAT
ABERDEEN PROVING GROUND MD
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WO 10-INCH SNATCH-BLO K SHEAV S MADE OF 7075 75 T6 aluminum alloy, th a special hard coa ing for good wear- and abrasion-resistance qualities to the able groove were tested. lthough the hard coat chipped off easily, there was no gouging or deformation of the bas material in the sheave groove on ov rlo ding to to s UI BILITY AND DURABILITY OF ALUMINUM S EAVES IT OUT PECI L COA INGS HOULD BE EV LUA ED TO SE IF T EY WOULD BE ATISFACTORY FOR USE IN THE FIELD. Author
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