| 1.8975 | X65 |
The api 5L X60 steel is generally used for the manufacture of pipelines. It was the most common gas pipelines material for transition of oil and gas.
| Standard Designation | Grade, Class, Type, Symbol or Name | Steel | UNS Number | Product Form/ Heat Treatment | Thickness | Yield Strength, min | Tensile Strength, min | Elongation, min, % | Other |
| Number | t, mm | N/mm2 or MPa | N/mm2 or MPa | ||||||
| API 5L-2004 | X65 – PSL 2 | — | — | see standard | — | 448-600 | 531-758 | see standard | L: 41 J at 0°C; T: 27J at 0°C see standard |
Composition:
| Standard Designation | Grade, Class, Type, Symbol or Name | Steel Number | UNS Number | C | Mn | Si | P | S | Cr | Ni | Mo | Others |
| API 5L-2004 | X65, PSL 2 seamless | — | — | 0.24 | 1.4 | — | 0.025 | 0.015 | — | — | — | Cb+V+Ti 0.15; Ti 0.06 |
| X65, PSL 2 welded | — | — | 0.22 | 1.45 | — | 0.025 | 0.015 | — | — | — | Cb+V+Ti 0.15; Ti 0.06 |
Hot working:
Forging temperature range: 1245-850℃
Note: Heat to 1245 ℃. Do not forge below 850.
Heat treatment:
| annealing ℃ | Normalizing ℃ |
| 850-880 | 925 |
Main application:
Oil and gas industries
Shape of product:
Round, other shape depend on customer needs