GOST 31446
GOST 31446 (Steel casing and tubing for petroleum and natural gas industries. General specifications)· GOST (Russia) · 1 materials
| Designation | Material group | |
|---|---|---|
| H40 | Cast steels | chevron_right |
GOST 31446 (Steel casing and tubing for petroleum and natural gas industries. General specifications)· GOST (Russia) · 1 materials
| Designation | Material group | |
|---|---|---|
| H40 | Cast steels | chevron_right |