ҹڵƵ

 
Roller types of centrifugal
The main chemical components(%)
Roll hardness body
HSD
Roll neck hardness
HSD
Roll neck hardness
Mpa
Scope
C
Si
Mn
Ni
Cr
Mo
Ni-Cr-Mo chilled cast iron rolls
3.0/3.5
0.25/0.5
0.3/0.8
0.8/2.0
0.4/1.0
0.2/0.6
60-75
35-48
400
Bar finishing mill and a high-speed wire rod mill pre-finishing mill; strip finishing mill work rolls
3.0/3.5
0.25/0.5
0.3/0.8
2.0/3.0
0.5/1.2
0.2/0.6
65-80
35-48
400
3.0/3.5
0.25/0.5
0.3/0.8
3.0/4.5
0.6/1.5
0.2/0.6
70-85
35-48
400
Pearlite spheroidal graphite iron roll and roll ring
3.0/3.5
0.5/1.0
0.5/1.0
0.5/1.0
0.5/1.0
0.2/0.6
65-75
35-48
400
Bar mill rolling; rolling in the high-speed wire rod mill.
3.0/3.5
0.5/1.0
0.5/1.0
1.0/2.0
0.7/1.3
0.2/0.6
65-80
35-48
400
3.0/3.5
0.5/1.0
0.5/1.0
2.0/3.0
0.7/1.5
0.2/0.6
65-80
35-48
400
Bar finishing mill and a high-speed wire rod mill pre-finishing mill; strip finishing mill work rolls; Seamless Steel Tube Mill determined by roller Central Drive.
3.0/3.5
0.5/1.0
0.5/1.0
3.0/5.0
1.0/2.0
0.2/0.6
70-85
35-48
400
Pearlite spheroidal graphite iron roll and roll ring
2.9/3.5
1.2/2.0
0.4/1.0
0.5/1.0
0.2/0.6
0.2/0.6
45-60
35-48
400
Crude steel rolling mill; rough bar mill, rolling; high-speed wire rod mill rough, rolling; rough strip mill, rolling; Seamless Steel Tube Mill determined by roller Central Drive.
2.9/3.5
1.2/2.0
0.4/1.0
1.0/3.0
0.2/0.6
0.2/0.6
55-70
35-48
400
Ductile Iron roll and roll ring
2.9/3.6
1.5/2.0
0.4/1.0
3.0/4.0
0.2/0.8
0.6/1.0
60-70
35-48
400
Steel rolling steel mill in the rolling; finishing, in the bar rolling mill and finishing high-speed wire rod mill in the rolling, pre-finishing mill; strip mill in the rolling; Seamless Steel Tube Mill determined by roller Central Drive.
2.9/3.6
1.2/1.8
0.4/1.0
3.5/5.0
0.4/1.0
0.6/1.0
70-80
35-48
400
Semi-steel roll and roll ring
ZUB140
1.3/1.5
0.3/0.6
0.7/1.1
0.5
1.0/1.7
0.2/0.6
40-50
35-48
400
Bar finishing mill and a high-speed wire rod mill rough rolling; rough rolling strip mill; H-type steel roll-finishing Central.
ZUB160
1.5/1.7
0.3/0.6
0.7/1.1
0.5
1.0/1.7
0.2/0.6
50-60
35-48
400
ZUB180
1.7/1.9
0.3/0.6
0.7/1.1
0.5
1.5/2.0
0.2/0.6
50-60
35-48
400
Graphite steel roll and roll ring
ZUB140
1.3/1.5
1.3/1.7
0.6/0.8
0.6/1.1
0.6/0.8
0.2/0.6
40-50
35-48
400
Crude steel rolling mill; rough bar rolling mill and a high-speed wire rod mill rough rolling; rough rolling strip mill.
ZUB160
1.5/1.7
1../1.6
0.7/1.0
0.7/1.2
0.7/1.0
0.2/0.6
40-50
35-48
400