Durable SPHC Round Hot DIP Galvanized Steel Pipes for Greenhouses
Our galvanized steel round pipe is a highly versatile and durable material, engineered to provide superior performance in a wide range of structural and conveyance applications.
The primary benefit of our galvanized round tubing lies in its outstanding longevity and low-maintenance nature. The robust zinc coating acts as a sacrificial barrier, protecting the steel from rust and environmental degradation, which dramatically extends the service life of your project and reduces future costs.
Combined with its inherent structural strength, this pipe offers a reliable and cost-effective solution that maintains its integrity for years.
Available in a comprehensive range of diameters, wall thicknesses, and lengths, this product is perfectly suited for countless applications.
Our round pipes feature hot-dip galvanizing that creates a metallurgical bond between zinc and steel. This protective coating provides exceptional resistance to moisture, salt, chemicals, and atmospheric corrosion, ensuring reliable performance in harsh environments for decades.
The circular cross-section provides superior resistance to external pressure and bending forces compared to other shapes. This inherent geometric advantage makes the round pipe ideal for applications requiring high structural integrity and load-bearing capacity.
The smooth internal surface and circular geometry minimize friction and turbulence, making it perfect for fluid transport applications. Whether used for water, compressed air, or other low-pressure fluids, it ensures efficient flow with minimal pressure loss.
Pre galvanized steel pipe:
| Outer Diameter |
Wall Thickness |
Length |
| Inch |
mm |
mm |
meter |
| 1/2" |
20mm |
0.8mm-2.0mm |
0.3m-12m |
| 3/4" |
25mm |
0.8mm-2.0mm |
0.3m-12m |
| 1" |
32mm |
0.8mm-2.0mm |
0.3m-12m |
| 1-1/4" |
40mm |
0.8mm-2.0mm |
0.3m-12m |
| 1-1/2" |
47mm |
1.0mm-2.5mm |
0.3m-12m |
| 2" |
60mm |
1.0mm-2.5mm |
0.3m-12m |
| 2-1/2" |
75mm |
1.0mm-2.5mm |
0.3m-12m |
| 3" |
88mm |
1.0mm-2.5mm |
0.3m-12m |
| 4" |
113mm |
1.0mm-2.5mm |
0.3m-12m |
| 5" |
140mm |
1.0mm-2.5mm |
0.3m-12m |
| 6" |
165mm |
1.0mm-2.5mm |
0.3m-12m |
Hot dipped galvanized pipe : hot dipped galvanized pipe owns thicker zinc coating than pre-galvanized pipe ,black pipes will be dipped into zinc pool for galvanized.
Standard: GB/T3091 - 2001 ,BS1387 - 1985 , DIN EN10025 ,EN10219 , JIS G3444:2004 , ASTM A53
Steel Grade: GB/T3091 - 2001: Q195,Q235 , Q345
BS1387 - 1985 , DIN EN10025 ,EN10219 :S235JR ,S275JR,S355JR, S355J2H
JIS G3444:2004:STK400 ,STK500
ASTM A53: GR. A , GR. B, GR. C , GR. D
Hot dip galvanized steel pipe:
| Outer Diameter |
Wall Thickness |
Length |
| Inch |
mm |
mm |
meter |
| 1/2" |
21.3mm |
0.6mm-3.0mm |
0.3m-12m |
| 3/4" |
26.9mm |
0.6mm-3.0mm |
0.3m-12m |
| 1" |
33.4mm |
1.0mm-3.0mm |
0.3m-12m |
| 1-1/4" |
42.3mm |
1.0mm-4.0mm |
0.3m-12m |
| 1-1/2" |
48.3mm |
1.0mm-4.0mm |
0.3m-12m |
| 2" |
60.3mm |
1.5mm-4.0mm |
0.3m-12m |
| 2-1/2" |
76.1mm |
1.5mm-4.0mm |
0.3m-12m |
| 3" |
88.9mm |
1.5mm-9.5mm |
0.3m-12m |
| 4" |
114.3mm |
2.0mm-9.5mm |
0.3m-12m |
| 5" |
141.3mm |
3.0mm-9.5mm |
0.3m-12m |
| 6" |
168.3mm |
3.0mm-12.0mm |
1.0m-12m |
| 8" |
219.1mm |
3.2mm-12.0mm |
1.0m-12m |
| 10" |
273mm |
3.2mm-12.0mm |
1.0m-12m |
| 12" |
323.8mm |
6.0mm-15.0mm |
1.0m-12m |
| 14" |
355.6mm |
8.0mm-15.0mm |
1.0m-12m |
| 16" |
406.4mm |
8.0mm-20.0mm |
1.0m-12m |
1.Black square&rectanhgular steel pipe:ERW steel tube
2.Pre-galvanized square&rectangular steel pipe: Pre-galvanized square/rectangular tube is made of hot dipped galvanized steel strip directly.
3.Hot dipped galvanizedsquare&rectangular steel pipe : Hot dipped galvanized square/rectangular tube owns thicker zinc coating than pre-galvanized square/rectangular tube. Black tubes will be dipped into zinc pool for galvanizing.
4.Electro galvanized square&rectangular steel pipe : The technology of electro galvanized square/rectangular tube is similar to hot dipped galvanized tube, but the thickness of zinc coating is less than hot dipped galvanized tube.
5.Painted square&rectangular steel pipe:Painted square/rectangular to remove the rust and clean the oil first and then paint the required color paint.
Standard:GB/T6728:2002,ASTMA500,JIS G3466,EN10210,EN10219
Steel Grade:
GB/T6728:2002 : Q195 , Q235 , Q345
ASTM A500:GR. A , GR. B, GR. C , GR. D
JIS G3466 : SS440,SS540
EN10210, EN10219: S235JR ,S275JR,S355JR, S355J2H
Square & rectangular steel tube : The size can be based on your requirement to custom.
| Name |
Size |
Wall Thickness |
Length |
| mm |
mm |
m |
| Square tube |
10x10-500x500 |
0.6-25.0 |
1-12m |
| Rectangular tube |
20x10-200x400 |
0.7-13.0 |
1-12m |
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