Pipes & Tubes1 / 8Spiral Steel Pipe
Large-diameter SAW (submerged-arc welded) spiral pipe for oil & gas transport, municipal water/drainage and structural piling. 3PE / FBE / cement-mortar anti-corrosion coatings available.
- Standard
- GB/T 9711, SY/T 5037, API 5L, ASTM A252, AWWA C200, EN 10224
- Sizes
- OD Φ219–Φ3620mm, WT 5–25mm
- Length
- 6m / 9m / 12m (custom)
- Surface
- Hot-Rolled, 3PE / FBE Coated
- Ends
- Plain / beveled / flanged
- Weld
- Double-sided submerged-arc spiral weld (100% UT / X-ray inspected)
- Length
- 6m / 9m / 12m, customizable
- Coating
- Bare / 3PE / 2PE / FBE / epoxy / cement-mortar lined
- Material
- Q235B, Q355B / L245, L290, L360 / API 5L Gr.B–X70 / A252 (piling)
- Standard
- GB/T 9711, SY/T 5037, API 5L, ASTM A252, AWWA C200, EN 10224
- Size range
- OD Φ219–Φ3620mm, WT 5–25mm
We stock Q235B, Q355B, L245, L290 and more, matched to your destination standard.
Related products
View all productsSeamless or welded square/rectangular hollow section with uniform wall, square corners and smooth welds — light, strong and versatile for steel structures, curtain-wall columns, machinery, guardrails and decoration.
High-frequency welded pipe, cost-efficient and full-range — fluid transport, structures and conduit.
No weld seam, high pressure capacity — oil, chemical, power, boiler and high-temperature service.
HDG square tube, a coating selected for the specified environment corrosion life for outdoor structures, PV racking and guardrails.