Anhui ShuangFeng Steel Structure Engineering Co., Ltd.
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Product Specification
Galvanized Steel Strip Coil is a fundamental and widely-used steel product manufactured through a continuous hot-dip galvanizing process. In this process, a cold-rolled or pickled steel strip is cleaned and passed through a molten zinc bath, resulting in a metallurgically bonded zinc-iron alloy coating on both surfaces. This coating provides robust and durable sacrificial corrosion protection to the underlying steel substrate. Supplied in coil form, this product is characterized by its excellent corrosion resistance, good formability, and cost-effectiveness, serving as a primary material or substrate for a vast array of further processing and manufacturing applications.
| Parameter | Description / Typical Range |
|---|---|
| Base Steel | Commercial Quality (CQ), Structural Quality (SQ), Forming Quality (FQ), High Strength Low Alloy (HSLA). |
| Coating Type | Hot-dip galvanized (HDGI), with a pure zinc outer layer. |
| Coating Designation | Expressed as Zinc Coating Mass (e.g., Z60, Z180, Z275) per side in g/m², or as Coating Thickness in microns (µm). Common classes: Z60 (min. 60 g/m²/side), Z120, Z180, Z275. |
| Standard Thickness | 0.25 mm to 4.0 mm (strip substrate). |
| Standard Width | 20 mm to 1650 mm (slit strip or wide coil). |
| Coil Weight | 3 to 20+ Metric Tons (varies with dimensions). |
| Surface Finish | Regular spangle, Minimal spangle, Smooth (skin-passed). |
| Surface Treatment | May include chromate passivation, oiled, or phosphated for enhanced paintability or storage. |
| Mechanical Properties | Yield Strength: 140 MPa to 550 MPa+, depending on steel grade and temper (e.g., S220GD, S350GD). |
| Primary Standard | ASTM A653, EN 10346, JIS G 3302, GB/T 2518. |
Primary Applications:
Construction & Building Products:
Roofing & Siding: As a base material for corrugated sheets and standing seam roof panels.
Framing Components: Studs, tracks, and purlins (after roll-forming).
Ventilation Ducts & Chimneys.
Automotive Industry:
Body-in-White Parts: Interior structural components, reinforcements, and brackets where exposed to humidity.
Underbody Parts: Brake lines, fuel tanks, and shields.
Industrial Manufacturing & Appliances:
HVAC Systems: Heating and air conditioning housings and ductwork.
General Fabrication: Electrical cabinets, control boxes, and machinery guards.
Appliance Housings: For refrigerators, washing machines, and water heaters.
Agriculture & Homeware:
Agricultural Equipment: Grain silos, animal housing, and equipment panels.
Consumer Goods: Storage shelving, furniture frames, and buckets.
Key Advantages:
Superior Corrosion Protection: The zinc coating acts as a sacrificial anode, protecting the steel from rust even at cut edges or scratches (galvanic protection).
Long Service Life: Provides decades of maintenance-free service in many environments, significantly extending product lifespan.
Cost-Effective Solution: Offers an optimal balance of performance and cost compared to other corrosion-resistant metals or post-fabrication painting.
Excellent Formability: Can be easily slit, stamped, roll-formed, and bent without flaking of the coating, enabling complex fabrication.
Versatile Base Material: Serves as the perfect substrate for subsequent painting (pre-treatment often included) or lamination.
Eco-Friendly & Recyclable: The steel core is 100% recyclable, and the zinc coating is a natural element.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2003
Total Annual:
52000000-58000000
Employee Number:
101~500
Ecer Certification：
Verified Supplier
Anhui Fenghuan Chao Construction Engineering Co., Ltd. is located in Juchao Economic Development Zone, Chaohu City, Anhui Province. It is a green steel structure production and manufacturing base with a total factory area of approximately 20,000 square meters. The company is equipped with over 20 se... Anhui Fenghuan Chao Construction Engineering Co., Ltd. is located in Juchao Economic Development Zone, Chaohu City, Anhui Province. It is a green steel structure production and manufacturing base with a total factory area of approximately 20,000 square meters. The company is equipped with over 20 se...
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