| Steel Grade | GB: Q195,Q215,Q235A,Q235B,Q235C,Q235D,Q255A,255B,Q275,Q295A,Q295B,Q345B,Q345C,Q345D,Q345E,Q390A,Q390B,Q390C, Q390D,Q390E,Q420,Q420B,Q420C,Q420DQ420E,Q460D, Q460E, Q500D, Q500E, Q550D, Q550E, Q620D,Q620E,Q690D,Q690E |
| ASTM: Grade B, Grade C, Grade D, A36, Grade 36, Grade 40, Grade 42, Grade 50, Grade 55, Grade 60, Grade 65, Grade 80 |
