15mm to 114mm cold rolled steel tube black iron pipe round welded steel pipe
Product Detail
![img (2)](http://www.ehongsteel.com/uploads/062fe39d14.jpg)
15mm to 114mm cold rolled steel tube black annealed round welded steel pipe black steel pipe | |
Outer Diameter | 10mm - 150mm |
Wall Thickness | 0.5mm - 2.2mm |
Length | 6m 12m or customized |
Technique | ERW |
Standard & Grade
|
GB/T 3091 GB/T9711 Q195 Q235 Q345 |
API 5L A B X42 X46 X52 X56 X60 X65 X70 | |
ASTM A53 GR A/ B | |
ASTM A500 A/B/C | |
BS1387 EN39 st37 st52 | |
EN10210 EN10219 EN10255 S235 S275 S355 | |
AS1163 C250 C350 | |
Surface treatment | oiling |
![SD17](http://www.ehongsteel.com/uploads/2ec9b086.png)
![SD18](http://www.ehongsteel.com/uploads/f4556816.png)
Workshop Display
1) Cold rolled technique with fewer surface imperfection.
2) Cutting customized length on production line with tolerance +/-5mm
3) Oil is free
4) Packing the products as per your requirement
![SDA_20221213112945](http://www.ehongsteel.com/uploads/97cb9d97.jpg)
Packing & Shipping
1. In bundle with 8-9 steel stripes for small diameter steel pipe
2. Wrapped the bundle with water-proof bag and then bundled by steel stripes and nylon lifting belt in both ends
3. Loose package for big diameter steel pipe
4. As per customer's requirement
![ASD_20221213113127](http://www.ehongsteel.com/uploads/3ddbf258.jpg)
Company Introduction
Ehong Steel is located in the Bohai Sea economic circle of public Cai town, Jinghai county industrial park, which is known as a professional steel pipe manufacturer in China.
Established in 1998, based on its own strength, we has been developing continuously.
The total assets of the factory cover an area of 300 acres, now has more than 200 employees, with annual production capacity 1 million tons.
Main product are ERW steel pipe, galvanized steel pipe, spiral steel pipe, square and rectangular steel pipe,. We got ISO9001-2008, API 5L certificates.
Tianjin Ehong International Trade Co.,Ltd is the trading office with 17 years export experience. And the trading office exported a wide range of steel products with best price and high quality products.
We have our own lab can do the below testing: Hydrostatic pressure testing, Chemical composition testing, Digital Rockwell hardness testing, X-ray flaw detection testing, Charpy impact testing, Ultrasonic NDT.
![ASD (2)](http://www.ehongsteel.com/uploads/a5186936.jpg)
FAQ
Q: Are u a manufacturer?
A: Yes, we are spiral steel tube manufacturer locates in Daqiuzhuang village, Tianjin city, China
Q:Can I have a trial order only several tons?
A: Of course. We can ship the cargo for u with LCL serivece.(Less container load)
Q: Do u have payment superiority?
A: For big order, 30-90 days L/C can be acceptable.
Q: If sample free?
A: Sample free, but the buyer pays for the freight.