High-Quality Seamless Line Pipe: API 5L Compliant for the U.S. Energy Market
Why Choose Seamless Line Pipe?
The United States is the global benchmark for oil and gas pipeline standards. From shale development in the Permian Basin to trunk line upgrades across the Midwest, every project demands the highest levels of quality, consistency, and traceability in pipe materials.
Seamless line pipe is manufactured from a solid steel billet through piercing and hot rolling or cold drawing - with no welded seam. This manufacturing method delivers:
Higher pressure capacity – No weld seam means no heat-affected zone weak point
More uniform wall thickness – Ensures consistent stress distribution
Superior HIC resistance – Suitable for sour service environments
For U.S. projects, seamless line pipe is the preferred solution for high-pressure, high-risk, and high-demand applications.
Product Specifications
| Parameter | Range |
|---|---|
| Outer Diameter | 1/2″ – 30″ (21.3mm – 762mm) |
| Wall Thickness | 0.055''-2'' (1.65-50mm) |
Quality Assurance System
We understand the stringent quality requirements of the U.S. market. Here is our quality commitment:
| Item | Details |
|---|---|
| Quality Management | ISO 9001:2015 certified |
| Product Standard | API 5L PSL1 / PSL2 (API Monogram support available via partner mills) |
| NDT | 100% Ultrasonic Testing (UT) / Eddy Current Testing (ET) |
| Hydrostatic Test | 100% hydrostatic testing on each pipe - pressure and hold time per API 5L |
| Low-Temperature Impact | Capable of meeting -20°F to -50°F impact toughness requirements |
| Traceability | Full heat number tracking from billet to finished pipe |
Note: For projects requiring API Monogram, we can coordinate supply from API-licensed partner mills with full certification compliance.
Why Choose Us?
True Mill-Direct Supply
We maintain direct purchasing relationships with multiple API 5L certified mills - no middlemen, transparent pricing.
Rigorous Quality Control
From billet chemistry to finished dimensional tolerances, every step is documented. We understand the U.S. market's emphasis on the "paper trail."
Flexible Order Quantities
Whether it's a 20-ton trial order or a 2000-ton/month long-term agreement, we respond with the same professional commitment.
Frequently Asked Questions
FAQ
Q: Do you have API Monogram?
A: As a supplier/trader, we work with API-licensed partner mills. We can provide MTCs from API-certified mills confirming API 5L compliance. If you require the API Monogram directly on the pipe, we can arrange production through qualified mills.
Q: Can you provide samples?
A: Yes, small-size samples are available. Customer covers international freight; samples are free (or negotiable).
Q: What is the minimum order quantity?
A: No strict limit. 20 tons minimum for trial orders. Welcome.
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