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