SY/T 7044
SY/T 7044 (海底管道用大口径无缝钢管)· GB (中国) · 15 种材料
| 名称 | 材料组别 | |
|---|---|---|
| L245NO/BNO | 结构钢 | chevron_right |
| L245QO/BQO | 结构钢 | chevron_right |
| L290NO/X42NO | 结构钢 | chevron_right |
| L290QO/X42QO | 结构钢 | chevron_right |
| L320NO/X46NO | 结构钢 | chevron_right |
| L320QO/X46QO | 结构钢 | chevron_right |
| L360NO/X52NO | 结构钢 | chevron_right |
| L360QO/X52QO | 结构钢 | chevron_right |
| L390QO/X56QO | 结构钢 | chevron_right |
| L415QO/X60QO | 结构钢 | chevron_right |
| L450QO/X65QO | 结构钢 | chevron_right |
| L485QO/X70QO | 结构钢 | chevron_right |
| L555QO/X80QO | 结构钢 | chevron_right |
| L625QO/X90QO | 结构钢 | chevron_right |
| L690QO/X100QO | 结构钢 | chevron_right |