Spiral 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.
| Category | Pipes & Tubes |
|---|---|
| Standards | GB, ASTM, EN, JIS, AS/NZS, GOST |
| Material / grades | Q235B, Q355B, L245, L290, L360, API 5L X52 |
| Common sizes | Φ219×6, Φ273×7, Φ325×8, Φ426×9, Φ630×10, Φ1020×12 |
| Length | 6m / 9m / 12m (custom) |
| Surface | Hot-Rolled, 3PE / FBE Coated |
| Lead time | Stock orders dispatched same day; processed orders 3–5 days; custom orders scheduled on confirmation |
| Trade terms | EXW, FOB, CFR, CIF, DDP |
Detail Information
1. Spiral Steel Pipe — Overview
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.
2. Specifications
| 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 |
3. Material Grades & Standards
We supply this product in the following grades. Other grades and standards can be sourced on request.
- Q235B
- Q355B
- L245
- L290
- L360
- API 5L X52
- GB
- ASTM
- EN
- JIS
- AS/NZS
- GOST
4. Applications
- Oil & gas
- Infrastructure
5. Product Photos




6. Why Order From Shanghai Banzhijia Steel
- 20,000+ tons of ready stock across every product category
- Cutting, slitting, levelling and processing to your size
- Mill Test Certificates and export documents with each order
- Ocean freight or China–Europe rail to more than 20 countries
- Order-specific specification confirmation
- Inspection documents coordinated according to order requirements
7. Packing & Shipping
We coordinate ocean freight or China–Europe rail to the agreed destination, and prepare commercial invoices, packing lists, certificates of origin, bills of lading and Mill Test Certificates for each order.



