Spiral Welded Pipe.

standard:API Spec 5L

Grade:B, X42-X65

Size:Φ406-Φ2020*6-14mm

Seamless Steel Tube

Standard: API Spec 5CT, API Spec 5L

Grade:J55,K55,H40  B,X42-X65

Size:Φ140-Φ275*5-35mm

Use:API Spec 5CT is mainly used in oil well and vitta

API Spec 5L is mainly used in feeding pipe for oil gas, water, oil of natural gas and pipe for geology drilling