|
|
 |
WORK ROLL FOR PLATE ROLLING MILL (BELOW 80T)
Example product |
Centrifugal compound rolls for medium & heavy plate roll mill |
Classification |
Diameter (mm) |
Barrel length (mm) |
Rolling margin (t/mm) |
Hardness |
Work layer
margin (mm) |
Material selection |
Work roll for medium plate roll mill |
Ф≤1500 |
≤12000 |
2800-3200 |
68~78 HSD |
30-60 |
High NiCr / Modified type high NiCr cast iron |
Work roll for heavy plate roll mill |
≤12000 |
3600-5000 |
68~78 HSD |
30-60 |
|
|
WORK ROLL FOR HOT CONTINUOUS ROLLING MILL
Example product |
High NiCr centrifugal compound work roll for hot strip mill
High Cr centrifugal compound work roll for hot strip mill
High speed steel centrifugal compound work roll for hot strip mill |
Classification |
Diameter (mm) |
Barrel length (mm) |
Rolling margin (t/mm) |
Hardness |
Work layer margin (mm) |
Out layer Material selection |
work roll of rough blooming stand |
Ф900-Ф1500 |
Subject to change |
≤6850 |
72~80 HSD |
Total rolling margin:5.5 million T |
Forged / adamite / cast / high Cr steel |
work roll of finishing mill (front stand) |
Ф540-Ф900 |
≤3000 |
3500~4200 |
75~88 HSD |
30~55 |
high Cr, |
25000~35000 |
High speed steel |
Work roll of finishing mill (rear stand) |
Ф540-Ф900 |
≤3000 |
3500-4200 |
75~88 HSD |
30~55 |
high NiCr, high Cr |
|
|
WORK ROLL FOR COLD CONTINUOUS ROLLING MILL
Example product |
Work roll for Sendzimir mill
Work roll for HC reversing mill |
Classification |
Diameter (mm) |
Barrel length (mm) |
Rolling margin (t/mm) |
Hardness |
Work layer margin (mm) |
Material selection |
Work roll |
≤Ф1600 |
≤3000 |
4500 |
90-98HSD |
12-50 |
Cr2,Cr3,4CrMo,Cr5 |
Intermediate roll |
80-90HSD |
Cr2,Cr3,Cr5 |
Backup roll |
65-75HSD |
42CrMo-60CrMo & Cr2,Cr3,Cr5 |
Temper roll |
95-100HSD |
Cr2,Cr3,Cr5 |
|
|
BAOSTEEL ROLL – PRODUCTS FOR COLD ROLLING MILL
TYPE |
MATERIAL |
HARDNESS |
DEPTH of HARDNESS |
Applicable MILL |
Work roll |
2%Cr, 3%Cr, 5%Cr |
85-102 HSD |
8-50mm |
Single stand reversible rolling mills
Tandem mills
Temper rolling mills
Skin-pass mills |
Intermediate roll |
2%Cr, 3%Cr, 5%Cr, SHSS |
70-85 HSD |
8-50mm |
Single stand reversible rolling mills
Tandem mills |
Backup roll |
60CrMo, 5Cr2Mo, |
60-80 HSD |
|
|
Sendzimir work roll |
Tool steel, die steel, high speed steel |
60-66 HRC |
|
Sendzimir mill, 12-HI Cr mill |
Sendzimir intermediate roll |
55-60 HRC |
|
|
|
|
|
|
