Bazhou Sangang Technology Co., Ltd
Bazhou Sangang Technology Co., Ltd, provides Glavanzied steel strip/coil and Galavznied steel pipes/ tubes , standard export packaging, supports shipping, the company supports OEM and ODM
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High Quality Rectangular Black Steel Pipe And Tube Black Square Tube Manufacture
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 | 3-12m |
| 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 |
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Our Advantages:
* Factory Experience: After over 20years development, SQ has THREE FACTORIES with solid financial strength, technical strength, advanced management, high quality and efficient after-sales service system.
* Great Location: 90KM to Tianjin Seaport, Easy to upload and save shipping cost.
* Sales network: sale for 32 Province and export to 66 countries with past SGS ,ISO ,Reach certificates.
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.