GB/T 38960
GB/T 38960 (Cryogenic-resistant controlled expansion alloys)· GB (China) · 1 materials
| Designation | Material group | |
|---|---|---|
| 4J329D | Structural and constructional steels | chevron_right |
GB/T 38960 (Cryogenic-resistant controlled expansion alloys)· GB (China) · 1 materials
| Designation | Material group | |
|---|---|---|
| 4J329D | Structural and constructional steels | chevron_right |