Mô Tả Sản Phẩm
Double-sided submerged arc welded (SSAW) spiral steel pipe manufactured to GB/T 9711, GB/T 3091, SY/T 5037 and API 5L standards. Suitable for water supply and drainage, oil and gas transmission, piling and structural applications. Diameter range DN200–DN3800, wall thickness 5–25 mm. Each pipe is verified by online ultrasonic / X-ray inspection and hydrostatic testing before delivery.
Thông Số Kỹ Thuật
| Standard | GB/T 9711, GB/T 3091, SY/T 5037, API 5L |
|---|---|
| Diameter | DN200–DN3800 |
| Wall Thickness | 5–25 mm |
| Length | 6–12 m or as required |
| Material | Q235B, Q355B, L245–L485 (API 5L Gr.B–X70) |
| Test | UT / X-ray, hydrostatic test |
