| Steel Grade | DX53D |
| Material Type | Hot-dipped Galvanized Steel |
| Outer Diameter | 1/2 inch to 8 inches (12.7mm to 203.2mm) |
| Wall Thickness | 1.5mm to 10mm |
| Length | 6 meters or as required |
| Surface Treatment | Hot-dipped Galvanized |
| Zinc Coating Thickness | 60 to 300 g/m2 |
DX53D Galvanized Steel Pipe is an integral part of many industries, such as liquid transportation, gases and substances. Therefore, it’s essential that these pipes be made out of durable materials which can withstand corrosives elements and other damages.
The molten zinc coating applied to the outer surface of galvanized steel pipe offers protection from corrosion. Corrosion occurs when metals lose oxygen ions to oxidizing elements like dirt, chemicals, moisture or salt.
| Specification | Value |
|---|---|
| Steel Grade | DX53D |
| Material Type | Hot-dipped Galvanized Steel |
| Outer Diameter | 1/2 inch to 8 inches (12.7mm to 203.2mm) |
| Wall Thickness | 1.5mm to 10mm |
| Length | 6 meters or as required |
| Surface Treatment | Hot-dipped Galvanized |
| Zinc Coating Thickness | 60 to 300 g/m2 |
| Standards | EN 10255, EN 10240, EN 10220, EN 10219, ASTM A53, BS 1387, JIS G3444, GB/T3091-2001 |
| End Finish | Plain, beveled, threaded, grooved, or coupling |
| Pipe Ends | Plain or threaded |
| Manufacturing Process | ERW or seamless |
| Tensile Strength | 270 MPa minimum |
| Yield Strength | 140 MPa minimum |
| Elongation at Break | 22% minimum |
| Hardness (HRB) | 65-85 |
| Impact Resistance | Minimum 27 Joules at -20°C |
| Chemical Composition | Carbon: 0.10%, Manganese: 0.50%, Silicon: 0.30%, Phosphorus: 0.035%, Sulfur: 0.035%, Aluminum: 0.015%, Chromium: 0.30%, Nickel: 0.30%, Copper: 0.10% |
| Certification and Testing | EN 10204 3.1 or 3.2, Mill Test Certificate |
| Application | Outdoor structures, roofing, fences, etc. |
| Packaging | In bundles, wrapped with steel strips, or as required |
This coating can also prevent other mineral deposits from forming on the galvanized surface, increasing its durability against wear and tear. Furthermore, zinc coating can shield a pipe against weathering and environmental damage.
Galvanized pipe offers superior corrosion resistance compared to black iron pipe, which is not coated. This makes it perfect for gas transport and fire sprinkler systems that require high resistance against water and other elements.
Zinc coatings not only prevent corrosion, but they are also ideal for welding and painting due to their ease of cleaning and lack of rust potential. As a result, zinc-coated surfaces tend to last longer than uncoated counterparts.
If you want to confirm if your metal pipes have been galvanized, there’s an easy test you can perform: grab a flathead screwdriver and strong magnet.
The molten zinc coating applied on the outer surface of galvanized steel pipes prevents corrosion and extends their lifespan. As such, this low-cost yet high quality option can be used in a range of applications from light construction projects to major commercial jobs.
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