The Details Of welded steel pipe:
Description: Black steel pipe is made of steel that has not been galvanized. Its name
comes from the scaly, dark-colored iron oxide coating on its surface. It's used in applications
that don't require galvanized steel. Steel pipes. black steel pipe was once the most popular
choice for supply of water and flammable gases. Steel pipe is still used in many homes and businesses to convey natural gas or propane fuel, and is a popular choice in fire sprinkler
systems due to its high heat resistance.
Quality Control:
General specifications
| Regular Sizes of Welded Steel Tubes | |||||
| DN | NB | OD (mm) | WT (mm) | Pcs/Bundle | Regular Length: Small Size: 5.7m, 5.8m, 6.0m, 6.4m Big Size: 5.7m, 5.8m, 6.0m, 11.8m                     Besides, we can make to order for you according to your requested length. |
| Small Size: | |||||
| 15 | 1/2" | 19mm-21.3mm | 1.0mm-3.0mm | 217 | |
| 20 | 3/4" | 25mm-26.9mm | 1.0mm-3.0mm | 169 | |
| 25 | 1" | 32mm-33.7mm | 1.5mm-3.0mm | 127 | |
| 32 | 1.1/4" | 40mm-42.4mm | 1.5mm-4.0mm | 91 | |
| 40 | 1.1/2" | 47mm-48.3mm | 1.5mm-4.0mm | 91 | |
| 50 | 2" | 58mm-60.3mm | 1.5mm-4.0mm | 61 | |
| 65 | 2.1/2" | 73mm-76.1mm | 1.5mm-4.0mm | 37 | |
| 80 | 3" | 87mm-88.9mm | 1.5mm-9.5mm | 37 | |
| 100 | 4" | 113mm-114.3mm | 2.0mm-9.5mm | 19 | |
| 125 | 5" | 140mm-141.3mm | 3.0mm-9.5mm | 19 | |
| 150 | 6" | 165mm-168.3mm | 3.0mm-12.0mm | 19 | |
| Big Size: | |||||
| 200 | 8" | 219.1 mm | 3.2mm-12.0mm | 7 | |
| 250 | 10" | 273.0 mm | 3.2mm-12.0mm | 5 or 1 | |
| 300 | 12" | 323.9mm-325mm | 6.0mm-15mm | 3 or 1 | |
| 350 | 14" | 355mm-355.6mm | 8.0mm-15mm | 1 | |
| 400 | 16" | 406.4mm | 8.0mm-20mm | 1 | |
| 450 | 18" | 457mm | 9.0mm-23mm | 1 | |
| 500 | 20" | 508mm | 9.0mm-23mm | 1 | |
| 550 | 22" | 558.8mm | 9.0mm-23mm | 1 | |
| 600 | 24" | 609.6mm | 9.0mm-23mm | 1 | |
| ETC | |||||
Main Application:
1. Fluid / Gas delivery, Steel structure, Construction;
2. YouFa ERW/Welded carbon steel pipes, which with Highest quality and strong supply ability arewidely
used in Steel structure and Construction.
Note:
1. Free sampling, 100% after-sales quality assurance, Support any payment method;
2. All other specifications of ERW/Welded carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from YouFa.
YouFa has 20 years manufacturer experience, Providing high quality products which have been exported over 100 countries, Pipes can be Customized according to customer's requirement on
outside diameter and wall thickness with black painted or oiled(surface treatment).
Production Workshop
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FAQÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Q: Are you trading company or manufacturer?
A: Factory!we are Youfa Group with 3 production area (Tianjin, Tangshang, Handan) in China.
Q: Can I have a trial order only for several tons?
A: Of course! We can ship the cargo for you with LCL service(Less container load).
Q: How long is your delivery time?
A: Generally it is 3-5 days if goods are in stock. Or it is 30 days if the goods are not in stock, it is according to your quantity.
Q: Do you provide samples? Is it free or extra?
A: Yes, We could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment?
A:Â OR, TT, L/C(For big order,30-90 days can be acceptable).
A:Who We are?
Q:Â (1) China Top 500 Enterprises Industry Leading BrandsÂ
(2) 15 years experience in manufacturing and exporting steel products since 2000.
(3) For 10 Consecutive Years of The First Production and Sales
(4) Key Project Supplier---Three Gorges Project, the Capital International Airport, Shanghai Pudong International Airport, the 2008 Olympic Games venues , the Word Expo 2010, etc.
A:What We own?
Q: 8000 employees.
59 ERW steel pipe production lines
36 hot-dipped galvanized steel pipe production lines
24 square and rectangular steel pipe production lines
18 SSAW steel pipe production lines
16 steel-plastic complex steel pipe production lines
9 hot-dipped galvanized square and rectangular steel pipe production lines
5 Seamless steel pipe production lines
3 national accredited laboratoryÂ
1 Tianjin government accredited business technology center              
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