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| This is a self-developed new type of material for the rings in the finishing stand of high speed bar rolling line. | |||||||||
◆◇ Unique Features
High V, W, Cr, Mo, Nb and other alloy elements. Carbide types: MC and M2C with high hardness and good abrasion resistance.
Excellet thermal stability, high hardness and good wear resistance.
High expansion coefficient and good thermal conductivity, more conducive to control.
Forming oxide film during rolling process, improving roll wear resistance significantly.
Super high strength of the roll core (DCI).
◆◇ Specification
High Speed Bar Finishing Mill Ring | |||
Brand | HBW ROLL | Material Code | HBWr08 |
Specification | Ø150-Ø350 | Hardness | 62-64HRC |
Hardness Drop | ≤2HSD | Surface Hardness Uniformit | ≤3HS |
Features & Advantages | 1. High wear resistance and impact toughness under thermal load | ||
2. No cracking or bursting phenomenon, especially when rolling big bar size above Ø18mm | |||
3. Less re-machining amount | |||
4. Good process ability with high machining efficiency | |||
5. Total steel pass life can reach over 60% that of TC rings and price less than 40% of TC rings | |||
Application | Finishing stands of high speed bar mill | ||
◆◇ Chemical Analysis
Material | HBW Patented Chemical Composition (%) | |||||||||||
C | Si | Mn | Cr | Ni | Mo | V | W | P & S | Nb | Co | Others | |
HSS (Alloy composition changes based on different grades) | 1.5 ~ 2.10 | 0.3 ~ 1.0 | 0.30 ~ 0.70 | 3.00 ~ 6.00 | 0.50 ~ 1.50 | 3.0 ~ 7.0 | 2.0 ~ 8.0 | 1.0 ~ 8.0 | ≤0.03 | Depends on HSS Grade | ||
◆◇ Physical Properties
| Properties | Tensile Strengt | Compressive Strength | |
| ≥700MPa | ≥2500MPa | ||
◆◇ Micro structure
Excellent Technical of HBW’s Patented Casting and HT Process Guarantee the Superior Micro-structure of each HSS Rolls.
Metallographic Micrograph are available to supply in HBW.
◆◇ Unique Features
High V, W, Cr, Mo, Nb and other alloy elements. Carbide types: MC and M2C with high hardness and good abrasion resistance.
Excellet thermal stability, high hardness and good wear resistance.
High expansion coefficient and good thermal conductivity, more conducive to control.
Forming oxide film during rolling process, improving roll wear resistance significantly.
Super high strength of the roll core (DCI).
◆◇ Specification
High Speed Bar Finishing Mill Ring | |||
Brand | HBW ROLL | Material Code | HBWr08 |
Specification | Ø150-Ø350 | Hardness | 62-64HRC |
Hardness Drop | ≤2HSD | Surface Hardness Uniformit | ≤3HS |
Features & Advantages | 1. High wear resistance and impact toughness under thermal load | ||
2. No cracking or bursting phenomenon, especially when rolling big bar size above Ø18mm | |||
3. Less re-machining amount | |||
4. Good process ability with high machining efficiency | |||
5. Total steel pass life can reach over 60% that of TC rings and price less than 40% of TC rings | |||
Application | Finishing stands of high speed bar mill | ||
◆◇ Chemical Analysis
Material | HBW Patented Chemical Composition (%) | |||||||||||
C | Si | Mn | Cr | Ni | Mo | V | W | P & S | Nb | Co | Others | |
HSS (Alloy composition changes based on different grades) | 1.5 ~ 2.10 | 0.3 ~ 1.0 | 0.30 ~ 0.70 | 3.00 ~ 6.00 | 0.50 ~ 1.50 | 3.0 ~ 7.0 | 2.0 ~ 8.0 | 1.0 ~ 8.0 | ≤0.03 | Depends on HSS Grade | ||
◆◇ Physical Properties
| Properties | Tensile Strengt | Compressive Strength | |
| ≥700MPa | ≥2500MPa | ||
◆◇ Micro structure
Excellent Technical of HBW’s Patented Casting and HT Process Guarantee the Superior Micro-structure of each HSS Rolls.
Metallographic Micrograph are available to supply in HBW.