GB/T 9711.3
GB/T 9711.3 (石油天然气工业 输送钢管交货技术条件 第3部分：C级钢管)· GB (中国) · 27 种材料
| 名称 | 材料组别 | |
|---|---|---|
| L245NC | 结构钢 | chevron_right |
| L245NCS | 结构钢 | chevron_right |
| L290MC | 结构钢 | chevron_right |
| L290MCS | 结构钢 | chevron_right |
| L290NC | 结构钢 | chevron_right |
| L290NCS | 结构钢 | chevron_right |
| L290QC | 结构钢 | chevron_right |
| L290QCS | 结构钢 | chevron_right |
| L360MC | 结构钢 | chevron_right |
| L360MCS | 结构钢 | chevron_right |
| L360NC | 结构钢 | chevron_right |
| L360NCS | 结构钢 | chevron_right |
| L360QC | 结构钢 | chevron_right |
| L360QCS | 结构钢 | chevron_right |
| L415MC | 结构钢 | chevron_right |
| L415MCS | 结构钢 | chevron_right |
| L415QC | 结构钢 | chevron_right |
| L415QCS | 结构钢 | chevron_right |
| L450MC | 结构钢 | chevron_right |
| L450MCS | 结构钢 | chevron_right |
| L450QC | 结构钢 | chevron_right |
| L450QCS | 结构钢 | chevron_right |
| L485MC | 结构钢 | chevron_right |
| L485MCS | 结构钢 | chevron_right |
| L485QC | 结构钢 | chevron_right |
| L555MC | 结构钢 | chevron_right |
| L555QC | 结构钢 | chevron_right |