Hitachi Symbol |
Material Substance | Main Usage | Characteristics |
---|---|---|---|
FH-8 | 2% Cr Steel | Stainless High Brightness Skinpass Roll |
High Brightness |
FH-11 | 3% Cr Steel | Tandem Mill Work Roll Reversing Mill Work Roll Skinpass Mill Work Roll |
General Use |
FH-15 | 5% CR Steel | Tandem Mill Work Roll Reversing Mill Work Roll Skinpass Mill Work Roll |
Deep Hardness Penetration |
Hitachi Symbol |
Material Substance | Main Usage | Characteristics |
---|---|---|---|
FH-15K | 5%Cr Steel | Tandem Mill Work Roll | Deep Hardness Less Roll Marks |
FH-15R | Special Material | Tandem Mill First Stand Roll | Roughness Keeping |
FH-S | Special Material | Tandem Mill Final Stand Roll | Less Roll Marks |
FH-AC | Special Material | CGL Skinpass Mill Work Roll | Spalling Resistance under CGL Condition |
SFH-20 | Special Material | Tandem Mill First Stand Roll Dull Finish Skinpass Roll |
Dull Maintaining Wear Resistance |
E61 | High Speed Steel | Hard Material Rolling Mill | Wear Resistance Abrasion Resistance |
E70 | Super High Speed Steel |
Hard Material Rolling Roll | Stable Rolling Wear Resistance |
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