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Processing Of Cold rolled steel strips
The base material for cold rolled steel strips is hot rolled steel. We need to first make the production of full-hard cold rolled steel strips which is produced by rolling hot rolled steel. The surface of full-hard cold rolled steel strips is usually more smooth and bright than hot rolled steel. However, the internal stress of cold rolled steel strips is high and it’s very hard , not easy to bend. So we ususlly make the cold rolled steel strips soft and cancel the internal stress by annealing.
Standard Of Cold rolled steel strips
The standard of cold rolled steel strips varies according to different countries, but which is major used as per EN,JIS,GB and DIN.
Steel Grade Of Cold rolled steel strips
Standard of cold rolled steel strips as per EN 10130, then the steel grade of cold rolled steel strips can be DC01, DC02, DC03, DC04.
Standard of cold rolled steel strips as per GBT11253, then the steel grade of cold rolled steel strips can be Q195,Q235.
Standard of cold rolled steel strips as per JIS G3141, then the steel grade of cold rolled steel strips can be SPCC,SPCD,SPCE.
Standard of cold rolled steel strips as per DIN 1623, then the steel grade of cold rolled steel strips can be ST12, ST13, ST14, ST15
Different steel grade of cold rolled steel strips means different drawing quality.
Surface Treatment Of Cold rolled steel strips
Usually, the cold rolled steel strips are oiled to protect the cold rolled steel strips against corrosion during the storage or transportation.
Surface Finish Of Cold rolled steel strips
Usually, the surface of colled rolled steel coils can be bright,semi-bright, normal and rough. And sometimes, our clients also need the cold rolled steel strips with black annealed. So the surface is black due to the oxidation of steel in the air.
Applications Of Cold Rolled Steel Strips
Cold Rolled Steel Stirps is used in a very wide range, mainly used in automotive, appliance, machinery, printing, construction, building materials, bicycles and other industries, production of organic coated steeel is also the best selection.Cold rolled steel strips is also used for cable armoring and producing pipes.
Name | Cold rolled steel strips | |
Standard | GB 11253-89 | Q195 Q235 |
JIS G3141 | SPCC SPCE SPCD | |
DIN 1623 | ST12 ST13 ST14 | |
EN10130 | DC01 DC02 DC03 | |
Thickness | 0.18-3.0mm | |
Width | 12mm-1250mm | |
Finish | General,bright,dull and mirror finish | |
Coil ID | 508mm/610mm | |
Coil Weight | 3-8MT | |
Packing | As Per Client’s Requirement | |
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