GB/T 45781
GB/T 45781 (Seamless steel tubes for mechanical structures)· GB (China) · 69 materials
| Designation | Material group | |
|---|---|---|
| 12Cr2Ni4 | Structural and constructional steels | chevron_right |
| 12CrNi2 | Structural and constructional steels | chevron_right |
| 12CrNi3 | Structural and constructional steels | chevron_right |
| 20 | Structural and constructional steels | chevron_right |
| 20CrMn | Structural and constructional steels | chevron_right |
| 20CrMnSi | Structural and constructional steels | chevron_right |
| 20CrMnTi | Structural and constructional steels | chevron_right |
| 20Mn2B | Structural and constructional steels | chevron_right |
| 20MnTiB | Structural and constructional steels | chevron_right |
| 20MnV | Structural and constructional steels | chevron_right |
| 25Mn | Structural and constructional steels | chevron_right |
| 27SiMn | Structural and constructional steels | chevron_right |
| 30Cr | Structural and constructional steels | chevron_right |
| 30CrMnSiA | Structural and constructional steels | chevron_right |
| 30CrMnTi | Structural and constructional steels | chevron_right |
| 30CrMo | Structural and constructional steels | chevron_right |
| 35 | Structural and constructional steels | chevron_right |
| 35Cr | Structural and constructional steels | chevron_right |
| 35CrMnSiA | Structural and constructional steels | chevron_right |
| 35CrMo | Structural and constructional steels | chevron_right |
| 38CrSi | Structural and constructional steels | chevron_right |
| 40Cr | Structural and constructional steels | chevron_right |
| 40Cr | Tool steels | chevron_right |
| 40CrNiMoA | Structural and constructional steels | chevron_right |
| 40Mn2 | Structural and constructional steels | chevron_right |
| 40MnB | Structural and constructional steels | chevron_right |
| 42CrMo | Structural and constructional steels | chevron_right |
| 45 | Structural and constructional steels | chevron_right |
| 45Cr | Structural and constructional steels | chevron_right |
| 45CrNiMoVA | Structural and constructional steels | chevron_right |
| 45Mn2 | Structural and constructional steels | chevron_right |
| 45MnB | Structural and constructional steels | chevron_right |
| 50Cr | Structural and constructional steels | chevron_right |
| 50CrV(A) | Structural and constructional steels | chevron_right |
| Q355B | Structural and constructional steels | chevron_right |
| Q355C | Structural and constructional steels | chevron_right |
| Q355D | Structural and constructional steels | chevron_right |
| Q355E | Structural and constructional steels | chevron_right |
| Q355F | Structural and constructional steels | chevron_right |
| Q390B | Structural and constructional steels | chevron_right |
| Q390C | Structural and constructional steels | chevron_right |
| Q390D | Structural and constructional steels | chevron_right |
| Q390E | Structural and constructional steels | chevron_right |
| Q390F | Structural and constructional steels | chevron_right |
| Q420B | Structural and constructional steels | chevron_right |
| Q420C | Structural and constructional steels | chevron_right |
| Q420D | Structural and constructional steels | chevron_right |
| Q420E | Structural and constructional steels | chevron_right |
| Q420F | Structural and constructional steels | chevron_right |
| Q460C | Structural and constructional steels | chevron_right |
| Q460D | Structural and constructional steels | chevron_right |
| Q460E | Structural and constructional steels | chevron_right |
| Q460F | Structural and constructional steels | chevron_right |
| Q500C | Structural and constructional steels | chevron_right |
| Q500D | Structural and constructional steels | chevron_right |
| Q500E | Structural and constructional steels | chevron_right |
| Q500F | Structural and constructional steels | chevron_right |
| Q550C | Structural and constructional steels | chevron_right |
| Q550D | Structural and constructional steels | chevron_right |
| Q550E | Structural and constructional steels | chevron_right |
| Q550F | Structural and constructional steels | chevron_right |
| Q620C | Structural and constructional steels | chevron_right |
| Q620D | Structural and constructional steels | chevron_right |
| Q620E | Structural and constructional steels | chevron_right |
| Q620F | Structural and constructional steels | chevron_right |
| Q690C | Structural and constructional steels | chevron_right |
| Q690D | Structural and constructional steels | chevron_right |
| Q690E | Structural and constructional steels | chevron_right |
| Q690F | Structural and constructional steels | chevron_right |