1. Production technology: hot-rolled welded, SAW, SSAW

2. Executive standards: GB/T9711, SY/T5037, ASTM A106/A53, API 5L /5CT

3.Specification range:

OD: 219-2220mm

WT: 6-18mm

4. Materials: Q235B,Q345B, L245, GrB, X42-70 etc

5. Testing: Eddy current/ Hydrostatic/Ultrasonic/ Intergranular Corrosion etc.

6. Packing:seaworthy packing.

7. Application:

Spiral steel pipe are widely used for water, oil and gas transfer, ship-building, underground tunnel etc.