API 5L X65 grade high-yield steel pipes have excellent mechanical properties. These pipes have a tensile strength of at least 77,500 Psi and a yield strength of at least 65,300 Psi. These pipes are available in nominal sizes from 1/2NB to 24NB to meet the demands of extreme conditions.
API 5L Grade x65 Specification
| Grade |
X65 |
| Size Range |
1/2 to 48 inch NB Outer Diameter |
| Schedule Thickness Range |
SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules |
| Length |
Single and Double Random & demand Length, Custom Size – 12 M lengths |
| Specification Level |
PSL 1 ; PSL 2 |
| End |
Screwed, Beveled, Threaded, Plain |
| Pipe Type |
Welded |
| End Protection |
Plastic Caps |
| Service |
Sand Blasting | 3LPE | Machining | Annealed | Heat Treatment | Galvanizing |
| Outside Coating |
Anti-Corrosion Oil, Galvanised Finish, Black Painting |
Mechanical properties of API 5L X65 Pipe
| Y.S |
T.S |
ELONGATION |
| Mpa(psi) |
Mpa(psi) |
| min |
min |
min |
| 450(65 300) |
600(87 000) |
23% |
| IMPACT TEST |
| |
| AVG. ABSORBED ENERGY |
IND. ABSORBED ENERGY |
| Min.(joules) |
Min.(joules) |
| 27 |
20 |
API 5L X65 Pipe Dimension Tolerance
| Pipes Types |
Pipe Size (mm) |
Tolerances |
| Hot rolled |
OD |
<50 |
±0.50mm |
| ≥50 |
±1% |
| WT |
<4 |
±12.5% |
| ≥4～20 |
+15%, -12.5% |
| >20 |
±12.5% |
| Cold drawn |
OD |
6～10 |
±0.20mm |
| 10～30 |
±0.40mm |
| 30～50 |
±0.45 |
| >50 |
±1% |
| WT |
<1 |
±0.15mm |
| >1～3 |
+ 15%, – 10% |
| >3 |
+ 12.5%, – 10% |
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GNEE Group has been an expert in the production of API 5L X65 grade line pipe. Our products are made from high quality raw materials. The X65 grade PSL1 line pipe we produce undergoes various tests before being supplied to our customers. All API 5L X65 Grade PSL1 Acid Resistant Pipes manufactured by us comply with international standards. With high-quality steel pipes and professional services, GNEE Group has been supported and recognized by customers at home and abroad. We welcome customers to cooperate with us. If you need API 5L X65 steel pipe, you can contact us at any time.
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