Q: Is your factory certified? Can I verify it?
A: Yes, absolutely. We hold the official 5CT Certificate (License Number: 5CT-2056).We are fully authorized to manufacture and process Casing, Tubing, Couplings, and Pup Joints.
Q: What 5CT steel grades and Product Specification Levels (PSL) can you provide?
A: According to our 5CT license scope, we cover a wide range of grades:General Application: J55, K55, N80 (Type 1 & Q).High Performance/Corrosion Resistant: L80 (Type 1 & 13Cr), P110, and even Q125.Quality Level: We are qualified to supply both PSL 1 and PSL 2 products to meet strict project requirements.
Q: How do you ensure the quality before shipment?
A: We have a rigorous QC process. Every single pipe undergoes Hydrostatic Testing (water pressure), Drifting Test (for ID clearance), and NDT (Non-Destructive Testing). We also welcome Third-Party Inspections (such as SGS, BV, TUV) at your request before loading.
Q: Do you have stock for J55/K55 pipes? What is the delivery time?
A: Yes, we maintain a regular stock of popular sizes in J55/K55 grades.
For Stock items: Shipment can be arranged within 7-10 days.
For New Production: It typically takes 30-45 days depending on the quantity.
Q: How do you protect the threads during sea transportation?
A: Thread protection is our priority. We install heavy-duty composite plastic or steel thread protectors on both ends. The pipes are then securely bundled with steel strips to prevent movement and damage during the voyage.
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