STEEL GRIT
GRANULOMETRY: G25 (SAE-J444/1984); SAE-J827 STEEL, CHEMICAL COMPOSITION: C 0,85 TO 1,20 MN 0,60 TO 1,20 SI MIN. 0,40 /
CR 0,10 TO 0,30 P MAX. 0,06 S MAX. 0,05; / MICROVICKERS HARDNESS: 850 TO 900; /
MARTENSITIC STRUCTURE OR LOW TEMPERATURE TEMPERING /
REQUIRED REPORT: 1) CHEMICAL COMPOSITION CERTIFICATE; 2) HARDNESS CERTIFICATE; 3) GRANULOMETRY CERTIFICATE; 4) CRACK INDEX CERTIFICATE; /
CRACK INDEX: THE ANALYSIS MUST BE MADE IN 100 GRAINS(MINIMUM). THE CRACKS WITH EXTENSION BIGGER THAN 20 PER CENT OF THE MEAN DIAMETER OF THE GRAIN, MUST BE UNDER(LESSER THAN 30 PER CENT). /
POROSITY: ACCORDING TO SFSA/1980(STEEL FOUNDERS SOCIETY OF AMERICA). /
PACKING: POLYNED BAGS, 20 KGS EACH, STRAPPED TO A WOOD PALLETS, DAMPROFF (TO
ENSURE THAT THE ABRASIVES WILL NOT BE EXPOSED TO MOISTURE, LOSS AND
TO ENSURE PROTECTION DURING SHIPMENT, TRANSPORT AND STORAGE WITHOUT DAMAGE TO THEIR BLASTING CHARACTERISTICS.