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STEEL GRIT CHARACTERIZES GRAINS WITH A PREDOMINANTLY ANGULAR SHAPE. THESE GRAINS ARE OBTAINED BY CRUSHING STEEL SHOT, THEREFORE THEY EXHIBIT SHARP EDGES AND BROKEN SECTIONS. HARDER THAN STEEL SHOT, IT IS ALSO AVAILABLE IN DIFFERENT SIZES AND HARDNESSES. STEEL GRIT IS MOST FREQUENTLY USED IN A PROCESS CALLED ABRASIVE BLASTING, IN WHICH A SUBSTANCE IS PROJECTED AT HIGH VELOCITIES TOWARDS A BASE MATERIAL IN ORDER TO REMOVE MATERIAL FROM THE BASE MATERIAL OR TO PREPARE THE SURFACE FOR FURTHER WORK. THIS IS OFTEN DONE TO REMOVE ANY UNWANTED CONTAMINANTS OR OXIDE LAYERS PRIOR TO COATING A BASE MATERIAL TO IMPROVE THE COATINGS. STEEL GRIT IS AN ABRASIVE MATERIAL THAT IS USED TO ABRADE SURFACES IN A PROCESS KNOWN AS ABRASIVE BLASTING. STEEL GRIT IS JAGGED IN SHAPE, WHICH ALLOWS IT TO ABRADE MATERIALS EXTREMELY WELL. STEEL GRIT COMES IN MANY DIFFERENT CHEMICAL FORMS AND SIZES AND IS MADE BY CRUSHING STEEL SHOT. STEEL GRITS STEEL GRIT / CAST-STEEL, GRIT, IS A METALLIC BLAST- CLEANING ABRASIVE, THE MANU- FACTURE OF WHICH TAKES PLACE FOLLOWING THE MOST STRINGENT CRITERIA AND CONTROLS. USES STEEL GRIT /CAST-STEEL, GRIT, IS USED IN COMPRESSED- AIR PLANTS, AMONG OTHER THINGS FOR DESCALING, DERUSTING, DEBURRING AND ROUGHENING OF SURFACES PRIOR TO SUBSEQUENT COATING/PAINTING. SIZES STEEL GRIT / CAST-STEEL, GRIT, IS PRODUCED BY MECHANICAL CRUSHING OF STEEL SHOT PARTICLES OF DIFFERENT SIZE TO SHARP-EDGED PARTICLES WITH PRECISELY DEFINED PARTICLE SIZE:- G 12 = 1,40 MM TO 2,36 MM / NOMINAL SIZE 1,70 MM G 14 = 1,18 MM TO 2,00 MM / NOMINAL SIZE 1,40 MM G 16 = 1,00 MM TO 1,70 MM / NOMINAL SIZE 1,20 MM G 18 = 0,71 MM TO 1,40 MM / NOMINAL SIZE 1,00 MM G 25 = 0,42 MM TO 1,18 MM / NOMINAL SIZE 0,70 MM G 40 = 0,30 MM TO 1,00 MM / NOMINAL SIZE 0,40 MM G 50 = 0,18 MM TO 0,71 MM / NOMINAL SIZE 0,30 MM