Penunjukan gulungan (roll)

Kode material

C

Si

Mn

Ni

Cr

Mo

Mg

Pearlitic ductile cast iron roll Ⅰ

SGP Ⅰ

3.00-3.40

1.40-1.90

0.40-0.80

1.50-2.00

0.20-0.60

0.20-0.60

≥0.04

Pearlitic ductile cast iron roll Ⅱ

SGP Ⅱ

3.00-3.40

1.20-2.00

0.40-0.80

2.01-2.50

0.30-1.00

0.20-0.60

≥0.04

Pearlitic ductile cast iron roll Ⅲ

SGP Ⅲ

3.00-3.40

1.00-2.00

0.40-0.80

2.51-3.0O

0.20-1.20

0.20-0.60

≥0.04

Penunjukan gulungan (roll)

Kode material

Kekerasan laras / HDS

Kekerasan leher/ HDS

Kekuatan tarik / MPa

Pearlitic ductile cast iron roll Ⅰ

SGP Ⅰ

45-55

35-55

>450

Pearlitic ductile cast iron roll Ⅱ

SGP Ⅱ

55-65

35-55

>450

Pearlitic ductile cast iron roll Ⅲ

SGP Ⅲ

62-72

35-55

>450

रोल का नामकरण

Kode material

सूक्ष्म

Pearlitic ductile cast iron roll Ⅰ

SGP Ⅰ

Perlit + sementit + grafit berukuran kecil

Pearlitic ductile cast iron roll Ⅱ

SGP Ⅱ

Perlit + sementit + grafit berukuran kecil

Pearlitic ductile cast iron roll Ⅲ

SGP Ⅲ

Globular pearlite + carbide +graphite Or a small amount of pearlite +
bainite + carbide + spherical graphite

Penunjukan gulungan (roll)

Kode material

Aplikasi

Pearlitic ductile cast iron roll Ⅰ

SGP I

Pabrik penggilingan profil, batang, kawat, dan strip sempit tebal, pada dudukan mesin giling (rolling mill stand)

Pearlitic ductile cast iron roll Ⅱ

SGP Ⅱ

Pabrik penggilingan profil, batang, kawat, dan strip sempit tebal, pada dudukan mesin giling (rolling mill stand)

Pearlitic ductile cast iron roll Ⅲ

SGP Ⅲ

Pabrik penggilingan profil, batang, kawat, dan strip sempit tebal, pada dudukan mesin giling (rolling mill stand)

Lingkup pasokan: Diameter laras≤1000mm Panjang laras≤3000mm