ERVIN INDUSTRIES U.S...Como líder mundial en la fabricación de abrasivos de acero al carbono,...

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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