GJB 3019A
GJB 3019A (Specification for bullet-proof steel plates for aviation)· GJB (China) · 2 materials
| Designation | Material group | |
|---|---|---|
| 32CrNi2MoTiA | Structural and constructional steels | chevron_right |
| 32Mn2Si2MoA | Structural and constructional steels | chevron_right |