COMPANY NEWS-Tangshan Jingjin Cold Rolled Galvanised Co.

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The need for pickled steel strip

2025-02-25 15:05:45

Hot rolled steel strip coil produced by the hot rolling mill, is rolled and coiled, the strip surface in the corresponding conditions generated by the iron oxide skin, can be very firmly covered in th...

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Cold rolled steel strip main progress

2025-02-25 15:05:25

The main progress of cold rolling technology for strip steel has the following aspects:Improvement of productivity Mainly to improve the speed of the continuous rolling mill and the weight of a single...

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Cold rolled steel strip production process

2025-02-25 15:04:39

Cold rolling is usually used in the form of longitudinal rolling. Cold rolling production process generally includes raw material preparation, pickling, rolling, degreasing, annealing (heat treatment)...

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Cold rolled steel strip process

2025-02-25 15:04:20

1. PicklingUse continuous pickling unit to remove the surface iron oxide scale of hot rolled strip coil. Acid used in the past with sulfuric acid, more hydrochloric acid. Welding and volume before pic...

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Does cold rolled steel rust?

2025-02-25 15:01:45

It will, although it is a type of steel plate, it is not rust-proof. This steel plate has a very precise thickness and a smooth surface, and possesses many good mechanical properties, especially when...

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Galvanised steel strip industry changes in recent years

2025-02-25 14:59:27

Galvanised steel strip industry production equipment in the past few years, also in the internal and external pressure to promote the annual update, cold rolling mill from 450 (type, generally 450 mil...

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Product: GALVANISED STEEL STRIP; GALVANISED ALUMINIUM AND MAGNESIUM; ROLLED HARD COIL; more

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