Reliable API 5L X65 pipe supplier providing high-strength X65 line pipe in PSL1 & PSL2 for oil & gas transmission, including seamless, ERW, and LSAW types with fast global delivery.
✔ High Strength Pipeline Steel (65 ksi)
✔ Seamless / ERW / LSAW Available
✔ PSL1 & PSL2 Certified
✔ Custom Sizes & Coating Options
✔ Third-Party Inspection Supported
👉 Get a Quote for API 5L X65 Pipe within 24 Hours
API 5L X65 Pipe Overview
API 5L X65 pipe, also known as API 5L Grade X65 line pipe, is a high-strength carbon steel pipe designed for demanding oil and gas pipeline systems. With a minimum yield strength of 65,000 psi (450 MPa), it offers superior performance compared to X52, making it suitable for high-pressure and long-distance transmission pipelines.
As a typical HSLA (High Strength Low Alloy) steel, X65 pipeline steel pipe provides excellent mechanical properties, toughness, and weldability.
Common Applications:
- Crude oil transmission pipelines
- Natural gas high-pressure pipelines
- Offshore pipeline systems
- Long-distance energy transportation
Why Choose API 5L X65 Line Pipe
Material Advantages
- Higher yield strength than X52 and X60
- Excellent resistance to pressure and stress
- Good weldability for large-scale pipeline construction
- Suitable for harsh environments and long-distance transmission
Our Supply Advantages
- Experienced API 5L X65 pipe supplier for global projects
- Stable cooperation with top steel mills
- Custom manufacturing based on project specifications
- Flexible delivery solutions (stock & production)
- Fast response and technical support
API 5L X65 Pipe Specifications
Standard: API 5L
Grade: X65 / L450
Product Level: PSL1 / PSL2
Chemical Composition
| Grade | C | Mn | P | S |
|---|---|---|---|---|
| PSL1 | ≤0.28 | ≤1.40 | ≤0.030 | ≤0.030 |
| PSL2 | ≤0.24 | ≤1.40 | ≤0.025 | ≤0.015 |
Mechanical Properties
| Property | Value |
| Yield Strength | ≥ 450 MPa (65 ksi) |
| Tensile Strength | 535–760 MPa |
| Elongation | ≥ 18% |
👉 Full API 5L X65 pipe specifications available upon request.
API 5L X65 Pipe Size Range
We supply full-size API 5L X65 steel pipe:
Seamless X65 Pipe
- OD: 21.3 – 508 mm
- WT: 2 – 60 mm
ERW X65 Pipe
- OD: 21.3 – 610 mm
- WT: 2 – 20 mm
LSAW X65 Pipe
- OD: 406 – 1620 mm
- WT: 6 – 50 mm
Length: 6m / 9m / 12m or customized
👉 Custom X65 pipe sizes available.
API 5L X65 Pipe Manufacturing Process
- Seamless Pipe: Ideal for high-pressure and critical applications
- ERW Pipe: Cost-effective welded steel pipe for standard pipelines
- LSAW Pipe: Preferred for large diameter, long-distance pipeline projects
All production follows strict API 5L X65 line pipe standards.
API 5L X65 Pipe Applications
API 5L X65 pipeline steel pipe is widely used in:
- High-pressure oil pipeline systems
- Natural gas transmission pipelines
- Offshore and subsea pipelines
- Energy infrastructure projects
- Long-distance pipeline engineering
👉 Preferred X65 pipe for high-pressure pipeline systems.
API 5L X65 Pipe Coating & End Finishing
Surface Treatment
- Black painting
- Varnished coating
- 3LPE / 3PP anti-corrosion coating
- Fusion bonded epoxy (FBE)
- Galvanized
Pipe Ends
- Plain end
- Beveled end
- Threaded ends
API 5L X65 Pipe Quality Control
- Mill Test Certificate (EN 10204 3.1)
- Chemical & mechanical testing
- Hydrostatic testing
- Non-destructive testing (UT, RT)
- Third-party inspection (SGS / BV / TUV)
API 5L X65 Pipe Packaging & Delivery
- Bundled with steel strips
- Plastic caps for protection
- Waterproof export packaging
- Container or bulk shipment
👉 Export-grade packaging ensures safe delivery worldwide.
API 5L X65 Pipe Project Experience
We have supplied API 5L X65 line pipe to:
- Middle East high-pressure oil pipelines
- Southeast Asia gas transmission projects
- Africa energy infrastructure developments
API 5L X65 vs Other Grades
X65 vs X52 Pipe
- Higher strength and pressure resistance
- Suitable for longer distance pipelines
- Higher cost but better performance
X65 vs X70 Pipe
- Slightly lower strength than X70
- More widely used and cost-effective
- Easier welding and processing
How to Choose API 5L X65 Pipe
When selecting API 5L X65 pipe, consider:
- PSL1 vs PSL2: PSL2 for stricter requirements
- Seamless vs Welded: Seamless for high-pressure systems
- Coating Selection: 3LPE or FBE for corrosion resistance
- Project Conditions: Pressure, temperature, and environment
API 5L X65 Pipe FAQ
What is API 5L X65 pipe?
It is a high-strength pipeline steel pipe with 65 ksi yield strength used in oil and gas transmission.
Is X65 pipe suitable for high-pressure pipelines?
Yes, it is widely used in high-pressure and long-distance pipeline systems.
What is the difference between X65 and X52 pipe?
X65 has higher strength and is used for more demanding applications.
What coating options are available?
3LPE, 3PP, FBE, and galvanized coatings are available.
What is API 5L X65 pipe price?
Depends on size, quantity, coating, and market conditions.
Get a Quote for API 5L X65 Pipe
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