1, diameter         1250, 1500, 1800, 2000, 25000, 3000mm and so on

2, design pressure    0.3-0.8mpa

3, material         HT 250-300 N/m2

4, hardness         190-240HB

5, width           1300-5000mm, 1300-10000mm

6, thickness        25-32, 28-36, 30-40, 32-47mm and so on (as buyer’s requirement)

7, roughness       0.2-0.4

8, working speed   200-800m/s, 200-300m/s etc.