As we all know, GB/T1591 Q345D H beam steel has a widely use in the project. Such as GB/T1591 Q345D H beam steel is widely used in bridges, vehicles ships, buildings, pressure vessels and so on. We have GB/T1591 Q345D H beam steel with high-quality and different sizes to meet your any requirements.
GB/T1591 Q345D H beam steel chemical composition
| Grade |
C |
Si |
Mn |
P |
S |
Nb |
V |
|
Q345D |
≤0.18 |
≤0.5 |
≤1.7 |
0.03 |
0.025 |
0.07 |
0.15 |
|
Ti |
Cr |
Ni |
Cu |
N |
Mo |
|
|
0.2 |
0.3 |
0.5 |
0.3 |
0.012 |
0.1 |
|
GB/T1591 Q345D H beam steel yield strength
| Grade |
Yield strength Mpa |
|
≤16 |
16-40 |
40-63 |
63-80 |
80-100 |
100-150 |
150-200 |
200-250 |
|
Q345D |
≥345 |
≥335 |
≥325 |
≥315 |
≥305 |
≥285 |
≥275 |
≥265 |
GB/T1591 Q345D H beam tensile strength
| Grade |
Tensile strength Mpa |
|
≤40 |
40-63 |
63-80 |
80-100 |
100-150 |
150-250 |
250-400 |
|
Q345D |
470-630 |
470-630 |
470-630 |
470-630 |
450-600 |
450-600 |
- |
GB/T1591 Q345D H beam steel is a kind of low alloy high strength steel containing a small amount of alloying elements. Due to its corrosion resistance and low temperature resistance, GB/T1591 Q345D H beam steel has good processing process properties, welding process properties and other special properties are widely used in chemical engineering. Oil, ship, boiler, pressure vessel, etc.
GB/T1591 Q345D H beam steel has a widely use in lots of engineers. We can supply GB/T1591 Q345D H beam steel with different sizes to meet you any requirements. We can promise our GB/T1591 Q345D H beam steel is the best. And if you have any need in GB/T1591 Q345D H beam steel, you can contact. We will give you the best price.
