GB/T 9711.3
GB/T 9711.3 (Petroleum and natural gas industries. Steel pipe for pipelines. Technical delivery conditions. Part 3: Pipes of requirements class C)· GB (China) · 27 materials
| Designation | Material group | |
|---|---|---|
| L245NC | Structural and constructional steels | chevron_right |
| L245NCS | Structural and constructional steels | chevron_right |
| L290MC | Structural and constructional steels | chevron_right |
| L290MCS | Structural and constructional steels | chevron_right |
| L290NC | Structural and constructional steels | chevron_right |
| L290NCS | Structural and constructional steels | chevron_right |
| L290QC | Structural and constructional steels | chevron_right |
| L290QCS | Structural and constructional steels | chevron_right |
| L360MC | Structural and constructional steels | chevron_right |
| L360MCS | Structural and constructional steels | chevron_right |
| L360NC | Structural and constructional steels | chevron_right |
| L360NCS | Structural and constructional steels | chevron_right |
| L360QC | Structural and constructional steels | chevron_right |
| L360QCS | Structural and constructional steels | chevron_right |
| L415MC | Structural and constructional steels | chevron_right |
| L415MCS | Structural and constructional steels | chevron_right |
| L415QC | Structural and constructional steels | chevron_right |
| L415QCS | Structural and constructional steels | chevron_right |
| L450MC | Structural and constructional steels | chevron_right |
| L450MCS | Structural and constructional steels | chevron_right |
| L450QC | Structural and constructional steels | chevron_right |
| L450QCS | Structural and constructional steels | chevron_right |
| L485MC | Structural and constructional steels | chevron_right |
| L485MCS | Structural and constructional steels | chevron_right |
| L485QC | Structural and constructional steels | chevron_right |
| L555MC | Structural and constructional steels | chevron_right |
| L555QC | Structural and constructional steels | chevron_right |