Water Delivery Steel Pipe, Fire Sprinkler Steel Pipe, Natural Gas Steel Pipe
Construction Steel Pipe, Solar Structure Steel Pipe, Scaffolding Steel Pipe, Greenhouse Steel Pipe, Equipment Structure Steel Pipe
International standards: ASTM A53 ASTM A795 API 5L, BS1387 EN10219 EN10255, ISO65, JIS G3444
1. Corrosion Resistance: The galvanized coating on Youfa brand welded steel pipes provides excellent protection against corrosion, making them suitable for use in various environments, including outdoor and industrial applications.
2. Durability: Galvanized welded steel pipes from Youfa are known for their durability and long service life, thanks to the protective zinc coating that helps prevent rust and degradation.
3. Versatility: These pipes are suitable for a wide range of applications, including water supply, construction, infrastructure, and gas transmission systems, making them a versatile choice for various projects.
4. Cost-Effective: Galvanized welded steel pipes are a cost-effective option due to their long-term durability, low maintenance requirements, and resistance to corrosion, which can help reduce the need for frequent replacements.
| DN | OD | ASTM Standard OD (mm) | ASTM A53 GRA / B | ASTM A795 GRA / B | British Standard OD (mm) | BS1387 EN10255 | ||||
| SCH10S | STD SCH40 | SCH10 | SCH30 SCH40 | LIGHT | MEDIUM | HEAVY | ||||
| MM | INCH | MM | (mm) | (mm) | (mm) | (mm) | MM | (mm) | (mm) | (mm) |
| 15 | 1/2” | 21.3 | 2.11 | 2.77 | - | 2.77 | 21.3 | 2 | 2.6 | - |
| 20 | 3/4” | 26.7 | 2.11 | 2.87 | 2.11 | 2.87 | 26.7 | 2.3 | 2.6 | 3.2 |
| 25 | 1” | 33.4 | 2.77 | 3.38 | 2.77 | 3.38 | 33.4 | 2.6 | 3.2 | 4 |
| 32 | 1-1/4” | 42.2 | 2.77 | 3.56 | 2.77 | 3.56 | 42.2 | 2.6 | 3.2 | 4 |
| 40 | 1-1/2” | 48.3 | 2.77 | 3.68 | 2.77 | 3.68 | 48.3 | 2.9 | 3.2 | 4 |
| 50 | 2” | 60.3 | 2.77 | 3.91 | 2.77 | 3.91 | 60.3 | 2.9 | 3.6 | 4.5 |
| 65 | 2-1/2” | 73 | 3.05 | 5.16 | 3.05 | 5.16 | 76 | 3.2 | 3.6 | 4.5 |
| 80 | 3” | 88.9 | 3.05 | 5.49 | 3.05 | 5.49 | 88.9 | 3.2 | 4 | 5 |
| 90 | 3-1/2" | 101.6 | 3.05 | 5.74 | 3.05 | 5.74 | 101.6 | - | - | - |
| 100 | 4” | 114.3 | 3.05 | 6.02 | 3.05 | 6.02 | 114.3 | 3.6 | 4.5 | 5.4 |
| 125 | 5” | 141.3 | 3.4 | 6.55 | 3.4 | 6.55 | 141.3 | - | 5 | 5.4 |
| 150 | 6” | 168.3 | 3.4 | 7.11 | 3.4 | 7.11 | 165 | - | 5 | 5.4 |
| 200 | 8” | 219.1 | 3.76 | 8.18 | 4.78 | 7.04 | 219.1 | - | - | - |
| 250 | 10” | 273.1 | 4.19 | 9.27 | 4.78 | 7.8 | - | - | - | - |
| 300 | 12" | 323.9 | 4.57 | 9.53
10.31 |
- | 8.38
10.31 |
- | - | - | - |
Pre-galvanized steel pipe refers to steel pipes that have been coated with a layer of zinc prior to their formation into the final pipe shape. This process involves passing the steel pipe through a zinc bath, where it is coated with a protective layer of zinc. The purpose of this coating is to provide corrosion resistance and protect the steel from rust, making it suitable for various applications, particularly those exposed to outdoor or harsh environments.
| Commodity | Galvanized Steel Pipe | |||
| Type | Hot dip galvanized pipes | Pre galvanized pipes | ||
| Size | 21.3 -- 323 mm | 19 -- 114 mm | ||
| Wall thickness | 1.2-11mm | 0.6-2mm | ||
| Length | 5.8m/6m/12m or cut into short length based on customers request | 5.8m/6m or cut into short length based on customers request | ||
| Steel Grade |
Grade B or Grade C, S235 S355 (the chinese material Q235 and Q355) |
S195 (the chinese material Q195) | ||
| Zinc Coating Thickness |
220g/m2 at average usually or upto 80um based on customers request |
30g/m2 at average usually | ||
| Pipe End finish |
Plain ends, Threaded, or Grooved |
Plain ends, Threaded | ||
| Packing |
OD 219mm and below In hexagonal seaworthy bundles packed by steel strips, with two nylon slings for each bundles, or according to customer ; above OD 219mm piece by piece |
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| Shipment | by bulk or load into 20ft / 40ft containers | |||
| Delivery time | Within 35 days after received advanced payment | |||
| Payment Terms | T/T or L/C at sight | |||
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK.
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