|
Hitachi Symbol |
Material Substance | Main Usage | Characteristics |
|---|---|---|---|
| FB-5 | 3%Cr Steel |
Tandem Mill Back Up Roll Reversing Mill Back Up Roll |
General Use |
| FB-7 | 5%Cr Steel |
Tandem Mill Back Up Roll Reversing Mill Back Up Roll |
High Hardness Deep Hardness penetration |
| NBR | Special Material | Continuous Tandem Mill Back Up Roll |
Fatigue Resistance Wear Control |
| NBX | Special Material | Hot Strip Mill Back Up Roll for High Speed Steel Work Roll |
Wear Resistance Abrasion Resistance |
Corporate Offices
1-800-777-5757
