BBN steel offer GB/T1591 Q345B carbon and low alloy steel in China. Q345B material is low alloy structural steel with good mechanical properties, low temperature performance, plasticity and good weldability, it is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, general metal parts, Q345(E) steel plate is always delivered in hot rolled or normalizing state, can be used in areas where its temperature is above -40 ℃.
GB/T1591 Q345B carbon and low alloy steel Chemical Composition:
Steel Standard |
Steel Grade |
Chemical Composition |
||||||||
|
C≤ |
Mn |
Si≤ |
P≤ |
S≤ |
V |
Nb |
Ti |
Al≥ |
||
|
Q345 |
A |
0.020 |
1.00~1.60 |
0.55 |
0.045 |
0.045 |
0.02~0.15 |
0.015~0.060 |
0.20 |
- |
|
B |
0.020 |
1.00~1.60 |
0.55 |
0.040 |
0.040 |
0.02~0.15 |
0.015~0.060 |
0.20 |
- |
|
|
C |
0.020 |
1.00~1.60 |
0.55 |
0.035 |
0.035 |
0.02~0.15 |
0.015~0.060 |
0.20 |
0.015 |
|
|
D |
0.020 |
1.00~1.60 |
0.55 |
0.030 |
0.030 |
0.02~0.15 |
0.015~0.060 |
0.20 |
0.015 |
|
|
E |
0.020 |
1.00~1.60 |
0.55 |
0.025 |
0.025 |
0.02~0.15 |
0.015~0.060 |
0.20 |
0.015 |
|
GB/T1591 Q345B carbon and low alloy steel Mechanical Property:
Steel Standard |
Steel Grade |
Yield Strength Mpa |
Tensile Stregth Map |
Elongation % |
|
Q345 |
A |
345 |
470~630 |
21 |
|
B |
345 |
470~630 |
21 |
|
|
C |
345 |
470~630 |
22 |
|
|
D |
345 |
470~630 |
22 |
|
|
E |
345 |
470~630 |
22 |
Our GB/T1591 Q345B carbon and low alloy steel with super quality and service, our GB/T1591 Q345B carbon and low alloy steel product are not only sold well in domestic market, but also sold to many countries and regions such as UAE, Chile, Peru, Singapore, Vietnam etc. And thus gain us a good reputation in the international market. The company adheres to the business ideas of cooperation based on win-win, efficiency and sincerity. Hence, we sincerely look forward to create a win-win cooperation in the future!
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
