Hot Dip Galvanized
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Welcome to our high-performance Hot Dip Galvanized Steel (HDG) supply center. Hot-dip galvanizing is a highly effective metallurgical process where cleaned steel is immersed in a bath of molten zinc at temperatures around 450°C (842°F). This process creates a tightly bonded alloy layer between the steel and the zinc coating.
Our HDG steel provides an exceptional dual-protection mechanism: the tough zinc layer acts as a physical barrier against moisture and oxygen, while also offering "sacrificial galvanic protection." This means that even if the surface is scratched and the underlying steel is exposed, the surrounding zinc will corrode first, preventing the steel from rusting. It is the ultimate, cost-effective raw material for environments requiring decades of maintenance-free durability.
Comprehensive Customization & Coil Processing (OEM/ODM): We recognize that different climates and manufacturing processes demand specific material properties. We offer fully customizable HDG solutions tailored to your exact blueprints:
- Custom Zinc Coating Weight: We strictly control the zinc mass from Z40 to Z275+ (g/m²). Choose lighter coatings for excellent formability, or heavy coatings for extreme outdoor weather resistance.
- Spangle Customization: Depending on your aesthetic or painting needs, we supply Regular Spangle (classic crystalline look), Minimized Spangle, or Zero Spangle (perfect for high-end color coating base metals).
- Advanced Surface Treatments: To prevent white rust during transit and storage, we offer customized surface treatments including Chromating (环保钝化), Oiling, and Anti-Fingerprint (AFP) coatings.
- Precision Deep Processing: Our facility is fully equipped to provide custom Slitting (narrow strips), Cut-to-Length Leveling (flat sheets), and Roll Forming (corrugated roofing profiles) directly from the master HDG coils.
Extensive Industrial Application Scenarios: Thanks to its formidable rust resistance, excellent formability, and beautiful finish, Hot Dip Galvanized steel is the lifeblood of numerous heavy-duty and commercial industries:
- Construction & Architecture: The premier material for manufacturing C/Z purlins, light steel framing, corrugated roofing sheets, floor decking, and rainwater drainage systems.
- HVAC & Ventilation: The industry standard for fabricating spiral ducts, ventilation pipes, and air-conditioning structural components due to its hygienic and rust-proof surface.
- Outdoor Infrastructure: Widely utilized for highway guardrails, telecommunication towers, outdoor electrical enclosures, and large agricultural grain silos.
- Automotive & Appliances: Serving as internal structural parts for vehicles, and as the durable base frame for washing machines, refrigerators, and commercial ovens.
Secure Your Rust-Proof Steel Supply Today: Enjoy factory-direct pricing, massive ready-to-ship inventory, and precise custom processing. Please submit your required thickness, width, zinc coating weight (Z-value), and processing requests in the form below. For immediate assistance and real-time quotes, contact our global sales team directly via WhatsApp: +86-18159281172. We guarantee a professional response within 24 hours!
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Classification |
Grades |
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GB |
JIS |
ASTM/AISI |
EN |
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Hot Dip Galvanized for Low Carbon Steel |
DX51D DX52D DX53D DX54D DC01 DC03 DC04 |
SGCC SGC340 SGC400 SGCD1 SGCD2 SGCD3 SGHC |
A653CSTypeB A653DSTypeB A653DDSTypeB A653EDDQTypeB A653CSTypeA A653DSTypeA A653DDSTypeA |
DX51D (EN 10346) DX52D (EN 10346) DX53D (EN 10346) DX54D (EN 10346) DC01 (EN 10130) DC03 (EN 10130) DC04 (EN 10130) |
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Hot Dip Galvanized for Structural Steel |
DC51D+Z DC51D+ZF DC52D+Z DC52D+ZF DC53D+Z DC53D+ZF DC54D+Z DC54D+ZF DC56D+Z DC56D+ZF |
STK 400 STK 490 STK 500 |
ASTM A653 SS Grade 33 ASTM A653 SS Grade 37 ASTM A653 SS Grade 40 ASTM A653 SS Grade 50 ASTM A653 SS Grade 55 |
S220GD+Z S220GD+ZF S250GD+Z S250GD+ZF S280GD+Z S280GD+ZF S320GD+Z S320GD+ZF S350GD+Z S350GD+ZF |
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Hot Dip Galvanized for High Strength Deep Drawing Steel |
HC180YD+Z HC220YD+Z HC260YD+Z HC300YD+Z |
GA 340 GA 390 GA 440 |
ASTM A653 SS Grade 33 ASTM A653 SS Grade 37 ASTM A653 SS Grade 40 ASTM A653 SS Grade 50 |
HC180YD+Z HC220YD+Z HC260YD+Z HC300YD+Z |
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Hot Dip Galvanized for High Strength Low Alloy Steel |
HC260LA+Z HC300LA+Z HC340LA+Z HC380LA+Z HC420LA+Z |
SAPH370 SAPH400 SAPH440 SGH340 SGH400 |
ASTM A607 Grade 260 ASTM A607 Grade 300 ASTM A607 Grade 340 ASTM A607 Grade 380 ASTM A607 Grade 420 |
H260LAD+Z H300LAD+Z H340LAD+Z H380LAD+Z H420LAD+Z |
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Hot Dip Galvanized for High Strength Dual Phase Steel |
HC340/590DPD+Z HC420/780DPD+Z HC550/980DPD+Z HC340/590DPD+ZF HC420/780DPD+ZF HC550/980DPD+ZF |
DP 590 DP 780 DP 980 SGH590 SGH780 SGH980 |
ASTM A653/A653M GA DP 600 GI DP 780 |
HCT600X+Z HCT780X+Z HCT980X+Z HCT600X+ZF HCT780X+ZF HCT980X+ZF |
We'll Positively Respond to You
Within 24 Hours.
We offer customization service. You just need to tell what you would like to customize in the below form then we will evaluate its feasibility and contact you in the earliest.
An excellent comprehensive serviceprovider in the steel field.
fqsteelJane@fuquanglobal.com

