Cold Rolled Galvanized Steel Coil
Product Details
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Product name |
cold rolled galvanized steel coil |
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Thickness |
0.105- 4MM |
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Width |
600 - 1250MM |
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Length |
Customized |
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Zinc Coating |
Z30 - 600g/m2 |
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Surface Structure |
Regular spangle,Minimum spangle, Zero spangle, Big spangle |
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HRB |
Soft Hard (<60),Medium Hard (60-85), Full Hard (85-95) |
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Surface Treatment |
Oiled (O), Chromium (C),Phosphating (P) |
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Standard |
EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 |
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Grade |
Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD,S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or As Requirement |
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Processing Method |
Bending, Welding, Decoiling, Cutting, Punching, Polishing or as customer's request |
Core product definition
Extremely smooth surface
The cold-rolled substrate has excellent surface quality and dimensional accuracy, providing a smooth and flat base for the subsequent galvanized layer. The finished product surface is fine and uniform, with no oxide scale residue.
Excellent forming performance
The excellent mechanical properties and work hardening characteristics of the cold-rolled substrate are retained, giving the product excellent stamping, bending, deep drawing, and other forming capabilities to meet the processing needs of complex parts.
Ultra-high dimensional accuracy
Strict cold rolling process control ensures minimal thickness tolerance (usually up to ±0.03mm) and precise width control, providing a reliable guarantee for subsequent precision processing.
Strong adhesion of galvanized layer
The zinc layer formed on the clean cold-rolled substrate has a stronger bonding force, is not easy to peel off, and has more durable and reliable corrosion resistance.
Product Advantages and Core Values
Corrosion resistance: The zinc layer provides reliable sacrificial anode protection, effectively resisting corrosion in atmospheric, humidity, and mild industrial environments and extending the service life several times.
Surface quality: Thanks to the inherent advantages of cold-rolled substrates and strict process control, the surface is smooth, flat, and flawless, making it an ideal choice for high-end home appliance panels, precision components, and exposed parts.
Excellent formability: Excellent ductility, plasticity, and uniformity. It easily copes with complex processing such as stamping, bending, rolling, and deep drawing, reduces the risk of cracking and wrinkling, and improves production efficiency and yield rate.
Reason analysis: Strong coating adhesion: The clean and uniform surface provides a perfect base for subsequent painting, powder coating, lamination, etc., ensuring that the coating is firmly bonded and the appearance is long-lasting and beautiful (especially alloyed galvanized sheet GA).
Complete specifications and flexible customization: From ultra-thin to regular thickness, from narrow strip to wide width, from standard zinc layer to high zinc layer/different thickness zinc layer, from ordinary passivation to environmentally friendly chrome-free/fingerprint-resistant treatment, it fully meets your differentiated needs.
Stable and reliable quality assurance: Strict quality control system throughout the entire process (ISO 9001 certification) and advanced online testing equipment ensure that the performance of each roll of products is stable and meets international standards and your requirements.
Environmentally friendly and sustainable: Provide chrome-free passivation products that comply with the RoHS directive to help your green manufacturing and product exports.
Applications
Construction Industry
Cold-rolled galvanized steel coils are widely used in the construction industry, especially in roofs, walls, window frames and other parts.
Home Appliance Manufacturing
The home appliance industry is another important application area for cold-rolled galvanized steel coils. Cold-rolled galvanized steel coils are used to manufacture the outer shell and internal structural parts of home appliances such as refrigerators, washing machines, and air conditioners.
Automobile Manufacturing
In the automobile manufacturing industry, it is often used for body shells, doors, chassis and other parts. The corrosive environment such as moisture, salt and chemicals faced by automobiles requires materials with strong corrosion resistance.
Power Equipment
Our products are also widely used in power equipment, especially in the manufacture of equipment such as power towers and transformer housings.
Agriculture and Logistics
In agricultural facilities such as greenhouses, warehouses and other buildings, cold-rolled galvanized steel coils are used to make structural parts such as brackets, doors and windows.
Light Industry and Household Goods
Our products are used in the light industry to produce steel furniture, office supplies, lockers, etc. Its corrosion resistance and high strength enable these products to withstand long-term use and environmental changes.
Packaging & Delivery
Packaging 1. Plain packaging 2. According to customer requirements
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