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0.5mm Black annealed cold rolled crca steel coils Featured Image
  • 0.5mm Black annealed cold rolled crca steel coils
  • 0.5mm Black annealed cold rolled crca steel coils
  • 0.5mm Black annealed cold rolled crca steel coils

0.5mm Black annealed cold rolled crca steel coils

CRCA Cold rolled black annealed is a steel coil manufacturing process. If the cold rolled steel coil is heated to annealing temperature, the surface color turns black due to high temperature contact with air, so it is called black annealed cold rolled steel coil. Its surface has not been polished, so it is black. The black surface is not so bright. It’s a little black, but it’s a little more straight on the surface, and it’s used in some places where the requirements are not very strict.

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0.5mm Black annealed cold rolled crca steel coils

Feature

  • CRCA Cold rolled black annealed is a steel coil manufacturing process. If the cold rolled steel coil is heated to annealing temperature, the surface color turns black due to high temperature contact with air, so it is called black annealed cold rolled steel coil. Its surface has not been polished, so it is black. The black surface is not so bright. It’s a little black, but it’s a little more straight on the surface, and it’s used in some places where the requirements are not very strict.

Specifications

1.Standard: AISI, ASTM, BS, DIN, GB, JIS
2.Grade: DC01, SPCC, ST12, etc.
3.Width: 600-1250mm
4.Thickness: 0.5mm
5.Length: as per customer's requirement
6.Applications: making furniture pipe
7.Packing: Standard sea-worthy packing
8.Price term: CIF, FOB, CFR

Feature of CRCA steel coil

The surface of cold rolled black annealed crca steel coil is black without bright treatment, and its physical properties are soft, which is convenient for further welding to make steel pipes. The common hardness is 57HRB, but it can be reduced to different hardness as required. 

Difference between with other cold rolled steel

Generally speaking, the elongation property of black annealing cold rolling is better. The difference between cold rolled pockmarked surface and bright one lies in the good or bad surface quality. cold rolled coils with more pits or pits are cold rolled pockmarked surface, while bright ones basically have no pockmarked surface or pits. Black retreat after cold rolling means that the surface of annealed strip steel is black, which is slightly cheaper than bright one

Application

Applications of 0.5mm cold rolled CRCA black annealed steel coils :

• All kinds of Steel pipes and tubes (Stove pipes)
• Food contact other than packaging
• Cake and biscuit molds
• Baking trays
• Lining of industrial bread ovens
• Furniture & construction
• Economical general items where they don’t need further painting, etc.

Application

As China metal materials industry leading enterprises, the national steel trade and logistics "Hundred good faith enterprise",China steel trade enterprises, "Top 100 private enterprises in Shanghai”. Shanghai Zhanzhi industry Group Co., Ltd.,(shorted to Zhanzhi Group) takes the" Integrity, Practicality, Innovation, Win-Win " as its sole operation principle, always persist in putting the customer demand in the first place.

  • INTEGRITY
  • WIN-WIN
  • PRAGMATIC
  • INNOVATION

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