产品介绍
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.
规格参数
| 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 |
