| Place of Origin |
Hebei China (Mainland) |
| Brand Name |
HF |
| Model Number |
Diameter |
Forged back up roll Diameter:240-900Length:<6000mm Material:70Cr3MoR,9Cr2MoR,86CrMoV7,MC3,MC5 Standard:GB/T13314-91 GB/T15547-1995 specification: diameter 240---90000; length≤6000; weight≤15T material: 70Cr3MoR,9Cr2MoR,86CrMoV7,MC3,MC5 barrel hardness: HSD75----90 (higher hardness) barrel hardness evenness: ≤3HSD hardness depth (one side) 15---100mm standard: GB/T13314-2008; GB/T15547-1995 used for: cold rolling mill manufacturing process: ingot-forging-UT-rough machining-UT-QT-2th rough machining-UT -magnetic particle test-quenching-magnetic particle test-finished machining-UT -magnetic particle test-oiling-packing-shiping