Hot Dip Galvanized Steel Pipe
Round HDG pipe/ Square HDG pipe/ Rectangle HDG pipe
Galvanized Seamless Steel Pipe/ Galvanized Welded Steel Pipe
Standard: ASTM A106/A53,Gr.B,GB/T 3091-2008, EN10296/10297,ASTM A500,etc.
Steel material: Gr.B, Q235, Q195, 20#, 45#, SS400, S275, S355, etc
Outer diameter: 20mm~406mm
Wall thickness: 1mm~10mm
Length: 6meters, 7meters, 9meteters, 12meters, or by random.
Type: seamless, welded
Thickness of Zinc coating: 200g~300g for BS standard, 500g~550g for ASTM standard,
Or according to buyer's requirement.
Type of pipe: Round pipe, Square tube, rectangle tube. Seamless and welded.
Prime quality of our GI pipe
Thousands tons of Normal sizes HDG pipes keep in stock all the year round!
ASTM/JIS/DIN Standard Galvanized Pipe (seamless or welded)
Main size of our round galvanized seamless steel tube
| Outer diameter (mm) |
Wall thickness (mm) |
Length (meters) |
| 1/2'' |
21.3 |
0.6~3.0 |
0.3m~12m |
| 3/4'' |
26.7 |
0.6~3.0 |
0.3m~12m |
| 1'' |
33.4 |
1.0~3.0 |
0.3m~12m |
| 1-1/4'' |
42.3 |
1.0~4.0 |
0.3m~12m |
| 1-1/2'' |
48.3 |
1.0~4.0 |
0.3m~12m |
| 2'' |
60.3 |
1.5~4.0 |
0.3m~12m |
| 2-1/2'' |
76.1 |
1.5~4.0 |
0.3m~12m |
| 3'' |
88.9 |
1.5~9.5 |
0.3m~12m |
| 4'' |
114.3 |
2.0~9.5 |
0.3m~12m |
| 5'' |
141.3 |
3.0~9.5 |
1m~12m |
| 6'' |
168.3 |
3.0~12.0 |
1m~12m |
| 8'' |
219.1 |
3.2~12.0 |
1m~12m |
| 10'' |
273 |
3.2~12.0 |
1m~12m |
| 12'' |
323.8 |
6.0~15.0 |
1m~12m |
| 14'' |
355.6 |
8.0~15.0 |
1m~12m |
| 16'' |
406.4 |
8.0~20.0 |
1m~12m |
Normal size of square/rectangle galvanized seamless steel tube
| Square tube(mm) |
Rectangle tube (mm) |
| 16×16×0.4~1.5 |
380×380×8.0~14.0 |
10×20×0.6~1.5 |
250×150×6~12.0 |
| 18×18×0.4~1.5 |
400×400×8.0~14.0 |
14×21×0.6~1.5 |
250×100×6~12.0 |
| 20×20×0.4~1.5 |
420×420×10.0~14.0 |
15×30×1.5~1.5 |
250×200×6~12.0 |
| 25×25×0.6~2.0 |
450×450×10.0~14.0 |
15×38×0.6~1.5 |
300×150×6~12.0 |
| 30×30×0.6~4.0 |
480×480×10.0~14.0 |
20×30×0.6~2.0 |
300×200×6~12.0 |
| 34×34×1.0~2.0 |
500×500×10.0~14.0 |
20×40×0.8~2.0 |
300×250×6~12.0 |
| 35×35×1.0~4.0 |
|
20×50×1.0~2.0 |
400×250×8~12.0 |
| 38×38×1.0~4.0 |
550×550×10.0~40.0 |
22×35×0.9~2.0 |
400×300×8~12.0 |
| 40×40×1.0~4.5 |
600×600×10.0~40.0 |
25×40×0.9~3.75 |
450×200×8~12.0 |
| 44×44×1.0~4.5 |
700×700×10.0~40.0 |
25×65×1.0~2.0 |
450×250×8~12.0 |
| 45×45×1.0~5.0 |
800×800×10.0~50.0 |
30×40×1.0~3.75 |
400×300×8~12.0 |
| 50×50×1.0~5.0 |
900×900×10.0~50.0 |
30×45×1.0~3.75 |
400×350×8~12.0 |
| 60×60×1.5~5.0 |
1000×1000×10.0~50.0 |
30×50×1.0~4.0 |
500×200×10~12.0 |
| 70×70×2.0~6.0 |
|
30×60×1.0~4.5 |
500×250×10~12.0 |
| 75×75×2.0~6.0 |
|
40×50×1.0~4.5 |
500×300×10~12.0 |
| 80×80×2.0~6.0 |
|
40×60×1.0~5.0 |
500×350×10~12.0 |
| 85×85×2.0~6.0 |
|
40×80×1.5~5.0 |
500×400×10~12.0 |
| 95×95×2.0~8.0 |
|
40×100×2.0~5.0 |
500×450×10~12.0 |
| 100×100×2.0~8.0 |
|
50×60×2.0~5.0 |
|
| 120×120×4.0~8.0 |
|
50×80×2.0~5.0 |
600×200×10~28.0 |
| 150×150×6.0~10.0 |
|
50×100×2.0~8.0 |
600×400×10~28.0 |
| 180×180×6.0~12.0 |
|
60×80×2.0~6.0 |
600×500×10~28.0 |
| 200×200×6.0~12.0 |
|
80×100×2.0~8.0 |
800×400×10~28.0 |
| 220×220×6.0~14.0 |
|
120×60×2.5~10.0 |
800×600×10~28.0 |
| 250×250×6.0~14.0 |
|
120×80×2.5~10.0 |
800×700×10~28.0 |
| 280×280×6.0~14.0 |
|
150×100×2.5~12.0 |
1000×400×10~28.0 |
| 300×300×8.0~14.0 |
|
180×150×2.5~12.0 |
1000×500×10~28.0 |
| 320×320×8.0~14.0 |
|
200×100×4~12.0 |
1000×600×10~28.0 |
| 350×350×8.0~14.0 |
|
200×150×4~12.0 |
1000×800×10~28 |
The Highest Quality Hot Dip Galvanization in China!
Our service
Make production according to customer's specific requirements strictly.
Accept inspection during the production or before shipment.
Provide the original copy of MTC(Mill testing certificate)
Provide the standard seaworthy packing.
Arrange the most professional shipment.
Audited Supplier 
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