| Cast
Iron Roll (NQS3C-I-500) |
The
specifications are for blooming, billeting, small section bar
and wire rod.
The rolls must be fitted for rolling specialty steels and have
good toughness,
anti-friction and anti-chapping. |
(１)
Nominal size of the rolls
|
Daido
will send you the drawings for detail quotation if
requested. |
|
(２)
Purchase Specifications
|
Chemical
composition and hardness are as attached table. |
|
| |
Chemical
Composition (%) |
Hardness
(HS) |
| C |
Si |
Mn |
Ni |
Cr |
Mo |
| Ductile |
2.90
3.70 |
0.80
2.40 |
0.20
2.00 |
0.50
3.50 |
0.10
1.70 |
0.10
1.00 |
35
75 |
| Adamite |
0.90
2.50 |
0.30
1.50 |
0.50
1.10 |
0.20
2.50 |
0.80
1.50 |
0.20
0.80 |
30
65 |
| Grain |
2.50
3.70 |
0.80
1.80 |
0.30
1.20 |
1.00
4.70 |
0.60
2.20 |
0.10
0.70 |
45
85 |
| Chilled |
2.80
3.70 |
0.10
0.70 |
0.10
1.20 |
1.00
4.50 |
0.20
1.40 |
0.20
0.69 |
55
90 |
| Cast Steel |
0.50
1.40 |
0.30
0.80 |
0.60
1.00 |
≦
1.00 |
≦
1.20 |
≦
0.50 |
55
90 |
|
|
|
| The
tolerance of the roll dimensions are specified as
follows; |
|
Length |
; |
+4 |
(mm), |
-1 |
(mm) |
|
Diameter |
; |
+1 |
(mm), |
-1 |
(mm) |
|
|
|
|
|
