Schedule 40 Hot Dip Galvanized Steel Pipe
Standards: ASTM A106, ASTM A53 Grade A/B
Pressure Class: Sch 40 (Std)
SHAPE: Round, Square and Rectangular
Size: DN15-200
Zinc Coating: 300-500g/m2, (42um-70um)
Applications: Construction foundation piles, steel structures or outdoors such as scaffolding and fence posts.
Galvanized steel pipe is an ideal choice for many projects because of its excellent corrosion resistance and affordable price. It is lightweight and flexible, yet sturdy enough to endure extreme weather conditions. Unlike most other materials, galvanized steel pipe has a durable finish that resists corrosion. Its zinc coating helps it resist corrosion and keeps it from rusting. Galvanized steel pipe is commonly used in outdoor applications, including scaffolding and fence posts. Despite its durability, it is important to replace galvanized pipes as soon as possible.
Schedule 40 galvanized pipe is usually hot-formed and butt welded, or cold-formed and high frequency welded. The mechanical properties of this kind of pipe range in accordance to the technique of manufacturing. After being formed into a pipe and cut, individual lengths of pipe are immersed in a molten zinc bathtub (usually containing lead) till the favored zinc coating weight is achieved. The completed pipe usually has a complete zinc weight for each ID and OD blended of 1.8 oz/sq ft. Since there are no specs for this kind of pipe, galvanizing is typically carried out per ASTM A123.
Size of Galvanized Steel Pipe
| Pipe Size (in) | External Diameter (in) | Internal Diameter (in) | Nominal Thickness (in) |
| 1/8 | 0.405 | 0.27 | 0.07 |
| ¼ | 0.540 | 0.36 | 0.09 |
| 3/8 | 0.675 | 0.49 | 0.09 |
| ½ | 0.840 | 0.62 | 0.11 |
| ¾ | 1.050 | 0.82 | 0.11 |
| 1 | 1.315 | 1.05 | 0.13 |
| 1 ¼ | 1.660 | 1.38 | 0.14 |
| 1 ½ | 1.900 | 1.61 | 0.15 |
| 2 | 2.375 | 2.07 | 0.15 |
| 2 ½ | 2.875 | 2.47 | 0.20 |
| 3 | 3.500 | 3.07 | 0.22 |
| 3 ½ | 4.000 | 3.55 | 0.23 |
| 4 | 4.500 | 4.03 | 0.24 |
| 5 | 5.563 | 5.05 | 0.26 |
| 6 | 6.625 | 6.07 | 0.28 |
| 8 | 8.625 | 7.98 | 0.32 |
| 10 | 10.750 | 10.02 | 0.37 |
| 12 | 12.750 | 11.94 | 0.41 |
| 14 | 14.000 | 13.13 | 0.44 |
| 16 | 16.000 | 15.00 | 0.50 |
| 18 | 18.000 | 16.88 | 0.56 |
| 20 | 20.000 | 18.81 | 0.59 |
| 24 | 24.000 | 22.63 | 0.69 |
WIHO metals supply and stock a large inventory of welded and seamless Galvanized steel pipe in according with ASTM A106 and A53 Grade A, Grade B intended for mechanical and pressure applications. We also are a professional supplier of black and hot-dipped, zinc-coated steel tubing that is extremely durable and strong, with excellent thermal transmission properties, can be used in steam, water, gas and air lines. The steel tubes provided by us are from china’s leading steel mills and we also offer steel additional services like cutting, welding, bending, machining, pre-coating and beveling. For more information on our extensive steel alloys inventory, please contact us or fill in the form below.
