Hot dip galvanized coil Z275
Hot dipped steel coil Z275 is a steel product with a high zinc coating, and its zinc layer weight reaches 275 grams per square meter.
Hot-dip galvanized steel coil Z275 is mainly used to enhance the corrosion resistance of steel and is widely used in construction, automobiles, steel structures and other fields.
| Parameter category | Z275 standard value | Ordinary galvanized coil | Advantage comparison |
|---|---|---|---|
| Zinc layer weight (g/㎡) | Double-sided ≥275 | 60-180 | Corrosion resistance increased by 300% |
| Substrate thickness (mm) | 0.12-6.0 | 0.3-4.5 | Wider range of applications |
| Yield strength (MPa) | 220-550 | 140-320 | Structural strength increased by 40% |
|---|---|---|---|
| Salt spray test (h) | ≥1000 | 200-500 | Service life extended by 5 times |
| Environmental certification | RoHS/REACH | Conventional standards | No worries about exporting to the EU |
Hot-dip galvanizing, also known as hot-dip galvanizing, is a metal surface treatment process.
In this process, zinc ingots are melted at high temperatures and certain auxiliary materials may be added. Subsequently, the steel sheet to be plated (here, the Z275 specification steel sheet) is immersed in a galvanizing tank to cover its surface with a uniform layer of zinc.
This zinc layer can effectively reduce the degree of corrosion of the steel substrate and improve its corrosion resistance.
-
Technical Parameters
Z275 standard specifications
| Project | Parameter range | Test standard |
|---|---|---|
| Nominal thickness | 0.3mm-3.0mm | GB/T 708 |
| Standard width | 800mm-1500mm | ASTM A924 |
| Zinc layer adhesion | Double-sided average ≥275g/㎡ | JIS H0401 |
| Surface structure | Conventional zinc flower/no zinc flower/small zinc flower | EN 10346 |
|---|---|---|
| Tensile strength | 270-500MPa | ISO 6892-1 |
| Elongation (A80mm) | ≥18% | GB/T 228.1 |
We are mainly engaged in steel export trade of the following steel products：HRC/HRS,CRC/CRS,GI,GL,PPGI,PPGL,ROOFING SHEETS,TINPLATE,TFS,STEEL PIPES/TUBES,WIRE RODS,REBAR,ROUND BAR,BEAM AND CHANNEL,FLAT BAR ETC. Our Products are widely used in: hardware, machinery, electrical appliances, vehicle parts, construction and other industries.
We mainly export to South America (35%), Africa (25%), the Middle East (20%), Southeast Asia (20%). Good corporate reputation, won the trust of our customers. In these areas we have established stable and long-lasting relationships with many customers based on our honesty, high quality product, reasonable price, and sincere service.
