GB/T 31938
GB/T 31938 (Steel plate for coal slurry pipeline)· GB (China) · 7 materials
| Designation | Material group | |
|---|---|---|
| L245J/BJ | Structural and constructional steels | chevron_right |
| L290J/X42J | Structural and constructional steels | chevron_right |
| L320J/X46J | Structural and constructional steels | chevron_right |
| L360J/X52J | Structural and constructional steels | chevron_right |
| L390J/X56J | Structural and constructional steels | chevron_right |
| L415J/X60J | Structural and constructional steels | chevron_right |
| L450J/X65J | Structural and constructional steels | chevron_right |