GB/T 3087
GB/T 3087 (Seamless steel tubes and pipes for low and medium pressure boiler)· GB (China) · 2 materials
| Designation | Material group | |
|---|---|---|
| 10 | Structural and constructional steels | chevron_right |
| 20 | Structural and constructional steels | chevron_right |
GB/T 3087 (Seamless steel tubes and pipes for low and medium pressure boiler)· GB (China) · 2 materials
| Designation | Material group | |
|---|---|---|
| 10 | Structural and constructional steels | chevron_right |
| 20 | Structural and constructional steels | chevron_right |