- Steel Strips[10]
- Steel Sheets[10]
- Clamps[7]
- Office Chairs[1]
- Coffee Tables[2]
- Garden Sets[4]
- Other Heat Insulation Materials[7]
- Contact Person : Ms. huang ealine
- Company Name : Tianjin Jinwanlu Import & Export Trade Co., Ltd.
- Tel : 86-022-23708758
- Fax : 86-022-23708755
- Address : Tianjin,Tianjin,Room 1504, Building D, Huayuan Industrial District, Tianjin City. China
- Country/Region : China
- Zip : 300384
Bright&black annealed COLD ROLLED STEEL COIL
COLD ROLLED STEEL COIL
Brief Introduction
Cold Rolled Steel is steel that has been worked below its recrystallization temperature by passing it between a pair of rollers. Recrystallization temperature is the temperature at which grains in the lattice structure of the metal have been rearranged, leaving it free of strain and deformations. Cold Rolled Steel is pre-treated before being cold rolled with a process known as pickling, which uses strong acids to remove scale and other impurities. The Cold Rolled Steel is then passed through rollers to reduce its thickness. Most cold rolling takes place in multiple passes and as the size of the Cold Rolled Steel is further reduced, its strength and hardness both increase, but its ductility decreases. After cold rolling, heating the metal up in a process known as annealing can restore some of its ductility. The final Cold Rolled Steel may be manufactured in the form of sheets, strips, bars, or other forms
The main specification is as belows:
Standards: GB/T , JIS , EN, ASTM
Thickness: T-0.14-3.0mm,W-900-1250mm
Tolerance : Width tolerance : +/-5mm,thickness tolerance :+0.02/-0.02mm (or according to customers' request).
Coil weight: 5-8 metric tons
Coil DM: I.D: Φ508mm O.D: Max Φ1500mm
Surface treatment: bright or black annealed finished,B or C finish, oil or un-oil,skin passed.
Main Usage : General use for Galvanize/ Pipe/ Roofing/ Structure/ Household appliance/ Tile row plates/ Deep drawing/Car ,etc.
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Bright&black annealed COLD ROLLED STEEL COIL
