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GB/T 3274
|
Item |
Steel Mark |
Specification |
Thickness Range(mm) |
|
1 |
Q235B |
GB/T 3274 |
6～200 |
|
2 |
Q235C | ||
|
3 |
Q235D | ||
|
4 |
Q275B | ||
|
5 |
Q275C | ||
|
6 |
Q275D | ||
|
7 |
Q345A | ||
|
8 |
Q345B | ||
|
9 |
Q345C | ||
|
10 |
Q345D | ||
|
11 |
Q345E | ||
|
12 |
Q420A | ||
|
13 |
Q420B |
6～100 | |
|
14 |
Q420C | ||
|
15 |
Q420D | ||
|
16 |
Q460C |
6～80 | |
|
17 |
Q460D | ||
|
18 |
Q460E |
