




Chung Hong Hot Roll Mill CHS HR Product Specification
Location Of Hot Rolled Mill
Hot Rolled Product Brief
Production Flow
Reheating Furnace 1. Walking beam type.
2. 10 zones of computerized temperature control Offset skid design for reducing the skid mark & getting more uniform temperature.
3. Offset skid design for reducing the skid mark in slabs to increase the quality of slabs.
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Roughing Mill 1.High pressure scale breaker at entrance and exit to
increase thesurface quality of products. 2.Continuous reversing 4 high rolling mill with screw down and balance oil cylinder mechanism for rolling stability. 3.Equipped with edger and AWC width auto control system for more precise rolling width than the tradition fashion . 4.Semi-auto work roller change equipment for reducing roller changing time so as to increase the production capacity. 5.Auto lubrication system for the transmit equipment to reduce maintenance time so as to increase the utilization of the equipment. |
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Coil Box 1.Saving total space of the hot rolling production lines and
the costs of establishing equipments. 2.Keeping the coil temperature uniform and reducing cold mark through coiling. 3.Roughing mill and finishing mill can work at the same time to reduce pacing time. 4.Optimum Cutting Control System to reduce cutting loss of crop so as to increase the output rate. |
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Finishing Mill 1. 4 high reversing mill, 6 stands.
2. With work rolls side shift mechanisms and bending
mechanisms for more feasibility in production scheduling and stability of crown of coils. 3. Use AGC Auto thickness and shape control system to control the thickness of steel strips more precisely and secure the thickness required by customers. 4. Available thickness of 1.2~12.7mm (the manufacturing process of 18mm having been independently developed). 5. Automatically rapid work rolls change equipment adopted so as to reduce the time of changing rollers. |
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Laminar Flow Cooling System 1. to reach proper temperature prior to coiling.
2. auto temperature control equipped in the 11th bank,
trimming control on No.4 and No. 11 banks,so as to promptly fix the temperature deviation. 3. the cooling system is divided into 4 regions to control
and the side spray system is equipped in each region. 4. Cooling Down Capability:300℃
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Down Coil 1. Equipped with auto jumping control system, utilizes the
jumping control of three wrapper rolls for achieving the down coiling function. 2. Equipped with auto banding system and auto numbering
marking control system. 3. Computer auto track of coils from coiling to conveying.
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Skin Pass Mill 1. 4 high mill with Push-UP control system.
2. Center position control function to secure flat gesture of
coils. 3. With leveler mechanism and slitting function.
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General Product Specification
Size Code | Use | |
API | 5L |
Line Pipe / Casing Pipe
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A36 |
Carbon structural steel
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ASTM | A1011 |
Forming/Structure Quality/High Strength Low Alloy
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JIS | G3101 |
Rolled steels for general structure
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G3125 |
Superior atmospheric corrosion resisting steels for welded structure
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G3131 |
Hot rolled mild steel plates, sheets, and strip
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G3132 |
Hot rolled carbon steel strip for pipes and tubes
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G3193 |
Dimensions, mass and permissible variations of hot rolled steel plates, sheets and strip
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G4051 |
Carbon steels for machine structural use
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G4304 |
Hot rolled stainless steel plates, sheets, and strip
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SAE | J403 |
Carbon steels
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CH | HF |
Checked sheets and strip
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