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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
Contact Information
GB/T 6725 Square Welded Steel Pipe
GB/T 6725 standard is main suitable for cold forming steel sections. High quality GB/T 6725 square welded steel pipe and rectangular welded steel pipe can be supplied by us. Welcome to your purchase.
Description
Introduction
GB/T 6725 standard is suitable for cold forming steel sections. GB/T 6725 square welded steel pipe are made of high strength steel, such as Q235, Q345, etc., which has excellent high pressure resistance, tensile strength, and bending resistance, which can withstand high load. Due to its square design, square welded steel pipe is more stable and not easy to deformation or distortion. In additions, square welded steel pipes have good processability, it is easy to cut, bend, and process to meet different application needs.
Specification
|
Product name |
Square Welded Steel Pipe |
|
Place of origin |
China |
|
Standard |
GB/T 6725, ASTM A500, JIS G3466 |
|
Material grade |
20#, Q235, Q345, Q390, STKR400, STKR490, etc. |
|
Size |
10mm*10mm-650mm*650mm (customizable) |
|
Wall thickness |
1mm-35mm |
|
Length |
3m-12m or customized length |
|
Surface treatment |
Black painting, varnish painting, galvanized or as per clients' requirements |
|
Packing |
In bundled with steel straps |
Mechanical properties
|
Standard |
Wall thickness(mm) |
Yield strength,min(Mpa) |
Tensile strength(Mpa) |
|
GB/T 6725 |
- | 195 | 315-490 |
| - | 215 | 335-510 | |
|
≤19 |
235 | 370-560 | |
| 345 | 470-680 | ||
| 390 | 490-700 | ||
| 420 | 520-730 | ||
| 460 | 550-770 | ||
| 500 | 610-820 | ||
| 550 | 670-880 | ||
| 620 | 710-940 | ||
| 690 | 770-1000 | ||
| 750 | 750-1010 |
Poduct show
Packing and Shipping
Packing: In bundled with steel straps or in loose. If you have any requirements for packing, we can also package according to your requirements.
Transportation: Container ships, Railways, and Bulk carriers, etc.
Our advantages
1. Convenient transportation: Our company is located in Tianjin, and is less than 10 kilometers away from the Tianjin Port. So convenient for loading and transporting.
2. Large inventory: We have large inventory to meet your needs, here you can find the product you want.
3. Fast delivery: The goods can be shipped in a short time, and we can rapidly prepare goods from other factories. The delivery is very fast.
4. We have our own factory, which can avoid unnecessary costs.
5. Customized diameter steel pipes: We can provide customized diameters steel pipes according to clients' needs.
About us
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