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Q345A steel plate (GB / T 1591-1994) ω /% performance and application: similar to the Q235 steel plate naming method. Q345asteel plate , Q345b steel plate , Q345c steel plate , Q345d steel plate , Q345e steel plate . This is the distinction of grade, represented by the main impact of the temperature is different! Q345a level, is not the impact; Q345b steel plate level, is 20 degrees room temperature impact; Q345c steel plate level, 0 degree impact; Q345d steel plate level, is the impact of -20 degrees; Q345e steel plate level, is the impact of -40 degrees. At different impact temperatures, the impact values are also different.
The difference of Q345B steel plate,Q345A steel plate,Q345C steel plate,Q345D steel plate and Q345E steel plate.
|
grade |
C |
Si |
Mn |
P |
S |
V |
Nb |
Al |
Ti |
Cr |
Ni |
Cu |
|
Q345A |
≤0.20 |
≤0.50 |
≤1.70 |
≤0.035 |
≤0.035 |
≤0.15 |
≤0.07 |
- |
≤0.20 |
≤0.30 |
≤0.50 |
≤0.30 |
|
Q345B |
≤0.20 |
≤0.50 |
≤1.70 |
≤0.035 |
0.035 |
≤0.15 |
≤0.07 |
- |
≤0.20 |
≤0.30 |
≤0.50 |
≤0.30 |
|
Q345C |
≤0.20 |
≤0.50 |
≤1.70 |
≤0.030 |
≤0.030 |
≤0.15 |
≤0.07 |
≥0.015 |
≤0.20 |
≤0.30 |
≤0.50 |
≤0.30 |
|
Q345D |
0.18 |
≤0.50 |
≤1.70 |
≤0.030 |
≤0.025 |
≤0.15 |
≤0.07 |
≥0.015 |
≤0.20 |
≤0.30 |
≤0.50 |
≤0.30 |
|
Q345E |
≤0.18 |
≤0.50 |
≤1.70 |
≤0.025 |
≤0.020 |
≤0.15 |
≤0.07 |
≥0.015 |
≤0.20 |
≤0.30 |
≤0.50 |
≤0.30 |
We are professional steel of Q345B steel plate,Q345A steel plate,Q345C steel plate,Q345D steel plate and Q345E steel plate supplier.we have a good reputation on the export of Q345B steel plate,Q345A steel plate,Q345C steel plate,Q345D steel plate and Q345E steel plate. Looking award to your question for Q345B steel plate.
