Post on 31-Jan-2020
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GRANALLA ANGULAR (STEEL GRIT)
GRANALLA ESFÉRICA (STEEL SHOT)
ERVIN INDUSTRIES U.S.A
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ESPECIFICACIÓN TÉCNICA DE GRANALLA ESFÉRICA DE ACURDO A LA NORMA S.A.E. J827
(SHOT SCREENINGS)
Ref. Malla Ø Inch - mm.
S-780 All Pass No. 7 Screen . . . . . . 85% Min on No. 10 Screen . 97% Min on No. 12 Screen . .
,1110 - 2,80 .0787 - 2.00 .0661 - 1.70
S-660 All Pass No. 8 Screen . . . . . . 85% Min on No. 12 Screen . . 97% Min on No. 14 Screen . .
.0937 - 2.36
.0661 - 1.70
.0555 - 1.40
S-550 All Pass No.10 Screen . . . . . . 85% Min on No. 14 Screen . . 97% Min on No. 16 Screen . .
.0787 - 2.00
.0555 - 1.40
.0469 - 1.18
S-460 All Pass No.10 Screen . . . . . . 5% Min on No. 10 Screen . . . 85% Min on No. 10 Screen . . 97% Min on No. 12 Screen . .
.0787 - 2.00
.0661 - 1.70
.0469 - 1.18
.0394 - 1.00
S-390 All Pass No. 12 Screen . . . . . 5% Min on No. 14 Screen . . . 85% Min on No. 18 Screen . . 96% Min on No. 20 Screen . .
.0661 - 1.70
.0555 - 1.40
.0394 - 1.00
.0331 - 0.85
S-330 All Pass No. 14 Screen . . . . . 5% Min on No. 16 Screen . . . 85% Min on No. 20 Screen . . 96% Min on No. 25 Screen . .
.0555 - 1.40
.0469 - 1.18
.0331 - 0.85
.0278 - 0.71
S-280 All Pass No. 16 Screen. . . . . 5% Min on No. 18 Screen . . . 85% Min on No. 25 Screen . . 96% Min on No. 30 Screen . .
.0469 - 1.18
.0394 - 1.00
.0278 - 0.71
.0234 - 0.60
S-230 All Pass No.18 Screen . . . . . . 10% Max on No. 20 Screen . . 85% Min on No. 30 Screen . . 97% Min on No. 35 Screen . .
.0394 - 1.00
.0331 - 0.85
.0234 - 0.60
.0197 - 0.50
S-170 All Pass No. 20 Screen . . . . . 10% Max on No. 25 Screen . . 85% Min on No. 40 Screen . . 97% Min on No. 45 Screen . .
.0331 - 0.850
.0278 - 0.710
.0165 - 0.425
.0139 - 0.355
S-110 All Pass No. 37 Screen . . . . . 10% Max on No. 35 Screen . . 85% Min on No. 50 Screen . . 90% Min on No. 80 Screen . .
.0234 - 0.60
.0197 - 0.50
.0117 - 0.30
.0070 - 0.18
S-70 All Pass No.40 Screen . . . . . . 10% Max on No. 45 Screen . . 85% Min on No. 80 Screen . . 90% Min on No. 120 Screen .
.0165 - 0.425
.0139 - 0.355
.0070 - 0.180
.0049 - 0.125
Densidad NO debe ser menor de 7000 Kg/m3 para Granallas Esféricas
Microestructura Martensítica revenida con carburos finos en perfecta distribución
Durezas 40 – 51 HRC
Composición Química Carbono 0,80 a 1,2% Manganeso S-70 a S-110 0,35 a 1,2% S-170 0,50 a 1,2% S-230 a S-780 0,60 a 1,2% Silicio 0,4% mínimo Azufre 0,05% máximo Fósforo 0,05% máximo
ESPECIFICACIÓN TÉCNICA DE
GRANALLA ANGULAR DE ACURDO A LA NORMA S.A.E. J1993 (GRIT SCREENINGS)
Ref. Malla Inch - mm.
G-10 All Pass No. 7 Screen . . . . . . 80% Min on No. 10 Screen. . . 90% Min on No. 12 Screen. . .
.1110 - 2.80
.0787 - 2.00
.0661 - 1.70
G-12 All Pass No. 8 Screen. . . . . . . 80% Min on No. 12 Screen. . . 90% Min on No. 14 Screen. . .
.0937 - 2.36
.0661 - 1.70
.0555 - 1.40
G-14 All Pass No. 10 Screen. . . . 80% Min on No. 14 Screen. . . 90% Min on No. 16 Screen. . .
.0787 - 2.00
.0555 - 1.40
.0469 - 1.18
G-16 All Pass No. 12 Screen. . . . . . 75% Min on No. 16 Screen. . . 85% Min on No. 18 Screen. . .
.0661 - 1.70
.0469 - 1.18
.0394 - 1.00
G-18 All Pass No. 14 Screen. . . . . . 75% Min on No. 18 Screen. . . 85% Min on No. 25 Screen. . .
.0555 - 1.40
.0394 - 1.00
.0278 - 0.71
G-25 All Pass No. 16 Screen. . . . . . 70% Min on No. 25 Screen. . . 85% Min on No. 40 Screen. . .
.0469 - 1.180
.0278 - 0.710
.0165 - 0.425
G-40 All Pass No. 18 Screen. . . . . . 70% Min on No. 40 Screen. . . 80% Min on No. 50 Screen. . .
.0394 - 1.000
.0165 - 0.425
.0117 - 0.300
G-50 All Pass No. 25 Screen. . . . . . 65% Min on No. 50 Screen. . . 75% Min on No. 80 Screen. . .
.0278 - 0.71
.0117 - 0.30
.0070 - 0.18
G-80 All Pass No. 40 Screen. . . . . . 65% Min on No. 80 Screen. . . 75% Min on No. 120 Screen. .
.0165 - 0.425
.0070 - 0.180
.0049 - 0.125
G-120 All Pass No. 50 Screen. . . . . . 65% Min on No. 120 Screen. . 75% Min on No. 200 Screen. .
.0117 - 0.300
.0049 - 0.125
.0029 - 0.075
Composición Química Carbono 0,80 a 1,2% Manganeso 0,60 a 1,2% Silicio 0,4% mínimo Azufre 0,05% máximo Fósforo 0,05% máximo
Densidad NO debe ser menor de 7300 Kg/m3 para Granallas Angulares (Steel Grit)
Microestructura Martensítica revenida con carburos finos en perfecta distribución
Dureza S 40 – 51 HRC M 47 – 56 HRC L 54 – 61 HRC H > 60 HRC