Black Welded Rectangular / Square Steel Pipe/Tube
product description:
Square pipe is a kind of name for square pipe and rectangular pipe,
that is, steel pipe with equal or unequal side length. It is made
of strip steel after process treatment. Generally, the strip steel
is unwrapped, flattened, crimped and welded to form a round tube,
which is then rolled into a square tube and then cut into the
required length.
1. Technology
| Product Name | Black Square Steel Pipe |
| Standard | API 5L, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM
A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296,
BS 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992,
GB/T9711 |
| Steel Grade | 6Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4,
St52.4, ST35 |
| Surface Treatment | Black |
| Tolerance | ±2% |
| Application: | 1. Fence, greenhouse, door pipe,greenhouse
2. Low pressure liquid, water, gas, oil, line pipe
3. For both indoor and outdoor the building construction
4. Widely used in scaffolding construction which is much cheaper
and convenient |
| Length | 3-12mm |
| Processing Service | Bending, Welding, Decoiling, Cutting, Punching |
| Thickness | 0.5-2.0mm |
Surface treatment | 1. PVC,Black and color painting
2. Transparent oil,anti-rust oil
3. According to clients requirement |
Packing | 1, Big OD: in bulk 2, Small OD: packed by steel strips 3, Plastic bags 4, According to customer’s requirements |
| Delivery | Normally 10-15 days after get deposits or according to quantity |
Picture
Others:
1:Special design available according to requirement
2:Pipe can be necked dowm, punching hole on pipe wall.
3:Pipe fittings, elbows are available.
4.All production process are under the ISO9001:2000 strictly
FAQ:
Q: Are u a manufacturer?
A: Yes, we are spiral steel tube manufacturer
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.
Q: Are you gold supplier and do trade assurance?
A: We seven years cold supplier and accept trade assurance.
