Q/BQB 611-2004 | JIS G 3106:1999 | GB/T 3274-88 GB/T 711-88 |
SM400A | SM400A | Q235A,Q235B,Q255A,Q255B,20 |
SM400B | SM400B | Q235C,Q255B,20 |
SM400C | SM400C | Q235D,20 |
SM490A | SM490A | Q275,Q345A,Q345B |
SM490B | SM490B | Q275,Q345C |
SM490C | SM490C | Q275,Q345D |
SM490YA | SM490YA | Q345A,Q345B |
SM490YB | SM490YB | Q345C |
SM520B | SM520B | Q390A,Q390B |
SM520C | SM520C | Q390C |
SM570 | SM570 | Q460C、Q460D |