As a professional GB/T 1591 Q345E steel plates manufacturer in China, Katalor Industry can supply GB/T 1591 Q345E steel plates, GB/T 1591 Q345E coils, Q345E sheets and Q345E steel beams. We can provide Q345E steel products with chemical component analysis, tensile test, bend test, and impact test to guarantee Q345E steel quality.
Standard: GB/T 1591
Main grades: Q345A, q345b, Q345C, Q345D, Q345E, Q390A, Q390B, Q390C, Q390D, Q420A, Q420B, Q420C, Q420D, Q460A
Category: high strength low alloy structural steel
GB/T1591 Q345E chemical composition
|
Grade |
C |
Si |
Mn |
P |
S |
Nb |
V |
|
Q345E |
≤0.18 |
≤0.50 |
≤1.70 |
0.025 |
0.020 |
0.07 |
0.15 |
|
Ti |
Cr |
Ni |
Cu |
N |
Mo |
Als |
|
0.20 |
0.30 |
0.50 |
0.30 |
0.012 |
0.10 |
0.015 |
GB/T1591 Q345E mechanical properties
|
Grade |
Thickness |
Yield strength |
Tensile strength |
|
Q345E |
≤16 |
≥345 |
≤40 |
470-630 |
|
16-40 |
≥335 |
40-63 |
470-630 |
|
40-63 |
≥325 |
63-80 |
470-630 |
|
63-80 |
≥315 |
80-100 |
470-630 |
|
80-100 |
≥305 |
100-150 |
450-600 |
|
100-150 |
≥285 |
150-250 |
450-600 |
|
150-200 |
≥275 |
250-400 |
450-600 |
|
200-250 |
≥265 |
- |
- |
|
250-400 |
≥265 |
- |
- |
Katalor enterprises have advanced steel processing equipment, include automatic arc-submerging welder, Dc manual arc welding machine, radial drill, CNC floor-type sharp boring machine, CNC gantry milling, H-beam assembling machine, and Q345E H-beam welding production line. We can supply prime quality Q345E plates and Q345E steel beams for you, please send us inquiry if you need.
