SY/T 7044
SY/T 7044 (Large diameter seamless steel pipe used for submarine pipeline)· GB (China) · 15 materials
| Designation | Material group | |
|---|---|---|
| L245NO/BNO | Structural and constructional steels | chevron_right |
| L245QO/BQO | Structural and constructional steels | chevron_right |
| L290NO/X42NO | Structural and constructional steels | chevron_right |
| L290QO/X42QO | Structural and constructional steels | chevron_right |
| L320NO/X46NO | Structural and constructional steels | chevron_right |
| L320QO/X46QO | Structural and constructional steels | chevron_right |
| L360NO/X52NO | Structural and constructional steels | chevron_right |
| L360QO/X52QO | Structural and constructional steels | chevron_right |
| L390QO/X56QO | Structural and constructional steels | chevron_right |
| L415QO/X60QO | Structural and constructional steels | chevron_right |
| L450QO/X65QO | Structural and constructional steels | chevron_right |
| L485QO/X70QO | Structural and constructional steels | chevron_right |
| L555QO/X80QO | Structural and constructional steels | chevron_right |
| L625QO/X90QO | Structural and constructional steels | chevron_right |
| L690QO/X100QO | Structural and constructional steels | chevron_right |