Differences between ”Pre-galvanized pipe” and “Hot-dipped galvanized pipe” of galvanized round pipe.
1.Pre-galvanized steel pipe base material is galvanized steel strap, the technical method is ERW longitudinal welded.
2.Hot-dipped galvanized pipe base material is black steel pipe (no surface treatment), then hot-dipped into the zinc pool to get the pipe.
| OD | Pre galvanized:1/2''-4''(21.3-114.3mm) Hot dipped galvanized iron pipe:1/2''-16''(21.3mm-406.4mm)Popular size galvanized pipe 4inch, galvanized pipe 2inch |
| Thickness | Pre galvanized:0.6-2.5mm Hot dipped galvanized: 1.0- 20mm Galvanized 16gauge pipe, 15gauge, 14gauge, 13gauge, 18gauge |
| Length Range | 5.8m, 6m , 19ft, 20ft, 21ft, 24ft, or customized . |
| End finish | Plain/ beveled ends or threaded with sockets/coupling and plastic cap, grooved |
| Zinc coating | Pre galvanized:40- 120g/m² Hot dipped galvanized:200-600g/m² |
| Standard | BS 1387,BS1139,EN39,EN10219,ASTM A53,ASTM A795,GB/T3091etc. |
| Out Diameter | Wall Thickness | |||||||||
| A | B | ASME | SCH10 | SCH20 | SCH30 | STD | SCH40 | SCH60 | XS | SCH80 |
| 15 | 1/2" | 21.3 | 2.11 | -- | 2.41 | 2.77 | 2.77 | -- | 3.73 | 3.73 |
| 20 | 3/4" | 26.7 | 2.11 | -- | 2.41 | 2.87 | 2.87 | -- | 3.91 | 3.91 |
| 25 | 1" | 33.4 | 2.77 | -- | 2.9 | 3.38 | 3.38 | -- | 4.55 | 4.55 |
| 32 | 1.1/4" | 42.2 | 2.77 | -- | 2.97 | 3.56 | 3.56 | -- | 4.85 | 4.85 |
| 40 | 1.1/2" | 48.3 | 2.77 | -- | 3.18 | 3.68 | 3.68 | -- | 5.08 | 5.08 |
| 50 | 2" | 60.3 | 2.77 | -- | 3.18 | 3.91 | 3.91 | -- | 5.54 | 5.54 |
| 65 | 2.1/2" | 73 | 3.05 | -- | 4.78 | 5.16 | 5.16 | -- | 7.01 | 7.01 |
| 80 | 3" | 88.9 | 3.05 | -- | 4.78 | 5.49 | 5.49 | -- | 7.62 | 7.62 |
| 90 | 3.1/2" | 101.6 | 3.05 | -- | 4.78 | 5.74 | 5.74 | -- | 8.08 | 8.08 |
| 100 | 4" | 114.3 | 3.05 | -- | 4.78 | 6.02 | 6.02 | -- | 8.56 | 8.56 |
| 125 | 5" | 141.3 | 3.4 | -- | -- | 6.55 | 6.55 | -- | 9.53 | 9.53 |
| 150 | 6" | 168.3 | 3.4 | -- | -- | 7.11 | 7.11 | -- | 10.97 | 10.97 |
| 200 | 8" | 219.1 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 |
| 250 | 10" | 273 | 4.19 | 6.35 | 7.8 | 9.27 | 9.27 | 12.7 | 12.7 | 15.09 |
| 300 | 12" | 323.8 | 4.57 | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.7 | 17.48 |
Steel pipe galvanized has full pipe end finish and according to customer's requirement: Plain end, Beveled end, Threaded end with sockets or coupling and plastic cap, Grooved end, Swedged end, Expanded end.
Galvanized round pipe are widely used . In addition to line pipes for water transport, fire fighting, gas, conduit, and other general low-pressure fluids, they are also used as support pipes in the petroleum industry, trestle piles, and mine tunnels.
1.General package: in bundle only, no other package, no plastic cover, no nylon straps.
2.Sea-worth package: in bundle, tied with steel straps, anti-water plastic cover, nylon straps each end of bundle.
FAQ
Q: How can I get an exact price for my inquiry?
A: Dear sir/Madam, we will need below of your requirement to check the price:
1. Diameter
2. Wall thickness
3. Length
Q: What kind of package will I get?
A: You will get general package-packed in bundles with steel straps (no other cover on) if customer doesn't have any requirement.
Q: What kind of package do you have?
A: 1. General package. --Packed in bundles with steel straps, no other cover, no plastic package.
2. Seaworthy package.--Packed in bundle, and cover with plastic package.
Q: Do you have stock?
A: Yes, we have stok pipes for general specification.
Q: Do you provide free sample?
A: Yes, sample is free of charge.
While please kindly noted the international courier cost is not free of charge.
We could return the courier cost to customers once we cooperated.
Sample is sent by air courier when weight less than 1kg.
