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Galvanized Steel Coil DIN
Why choose galvanized steel coils according to DIN standards?
1. Excellent anti-corrosion performance
| Environment type | Expected life (years) | Recommended zinc layer (g/m²) |
|---|---|---|
| Normal atmospheric environment | 20-50 | 60-100 |
| Industrial/marine environment | 15-30 | 100-180 |
| Extremely corrosive environment | 10-20 | 180+ |
2. High strength and processing performance
Substrate material: DX51D, DX52D, DX53D and other brands are available
Tensile strength: 270-420 MPa
Elongation: ≥18% (A80 sample)
3. Surface quality classification (DIN EN 10143)
| Grade | Surface characteristics | Applicable scenarios |
|---|---|---|
| FB (normal) | Allows a small amount of zinc flowers/minor defects | Structural parts, hidden projects |
| FC (higher) | Uniform zinc layer, small defects are allowed | Household appliance housing, general appearance parts |
| FD (higher) | No defects, mirror-level flatness | High-end automotive panels, exterior decoration |
Wide range of uses
Construction field
Structural parts and cladding: galvanized steel plate is used for roofs, walls, ceilings, box beams, bridges and soundproof walls, providing weather resistance and corrosion protection.
Light steel structure: suitable for the manufacture of low-rise buildings, sandwich panels, metal roof tiles and PVC door and window reinforcement profiles.
Pipeline system: galvanized steel sheet is used for anti-corrosion lining of culvert pipes and heating facility pipes.
Automobile manufacturing
Body parts: including structural parts such as automobile roofs, shells, compartment panels and chassis.
Functional components: hot dipped galvanized coil is widely used for corrosion-resistant parts such as mufflers, exhaust pipes, fuel tanks, etc.
Home appliance industry
Housing and structural parts: the housing and internal support parts of household appliances such as refrigerators, washing machines, and air conditioners.
Precision components: hot dip galvanized steel coil after surface treatment (such as phosphating process) are used in precision processing scenarios such as door panels and control panels.
Machinery and electrical equipment
Instrument housing: manufacturing of electrical cabinets, metering devices and industrial equipment housings, with both protection and formability.
Transformer components: hot dip Gi steel coil is used in conductors and transformer components of power equipment.
Transportation and others
Ships and rail transportation: shipbuilding car panels, public transportation body cladding.
Agricultural machinery: agricultural machinery parts used in humid environments (such as harvester housings).
Furniture and daily necessities: lampshades, shelves, bathtubs and other household products and metal containers.
Technical parameter comparison table
| Parameters | Specification range | Test standard |
|---|---|---|
| Thickness | 0.3mm-3.0mm | DIN EN ISO 9445 |
| Width | 600mm-1500mm | DIN 59350 |
| Zinc layer weight | 30/30g/m² - 275/275g/m² | DIN EN ISO 1460 |
How to choose suitable galvanized steel coil?
Environmental matching principle: Choose Z275 (275g/m² zinc layer) in humid areas; choose Z60 (60g/m²) for indoor dry environments.
Processing requirements: Choose DX53D (elongation ≥ 26%) for stamping; choose DX51D for simple bending.
Cost optimization suggestions: Use FB-grade surface for non-exposed parts; price discounts are available for bulk orders.
Quotation Questions ◢
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Q.
What is the difference between DIN standard and other international standards (such as ASTM/JIS)?
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Q.
Does it support customized size and special zinc layer?
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How to prevent moisture during sea transportation?
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