Q345B Q345C Q345D Q345E seamless steel pipe model size details.
Seamless steel pipe is a kind of long steel with hollow section and no joints around the perimeter, which is widely used in oil, natural gas, chemical industry, electric power, light industry, machinery manufacturing, construction, shipbuilding, aerospace and other fields. Among them, Q345B Q345C Q345D Q345E seamless steel pipe is a commonly used model with different sizes and uses.
1. Q345B seamless steel pipe.
Q345B seamless steel pipe is a kind of low-alloy high-strength structural steel, which has good toughness and corrosion resistance, and is widely used in construction, bridges, ships, vehicles, pressure vessels and other manufacturing fields. Its specification size is generally the outer diameter wall thickness, and the commonly used size is 48 35、φ60×4、φ76×4.5、φ89×4.5, 114 5, etc.
2. Q345C seamless steel pipe.
Q345C seamless steel pipe is similar to Q345B seamless steel pipe, which is also a low-alloy high-strength structural steel, but with higher yield strength and tensile strength. Its specification size is also generally the outer diameter wall thickness, and the commonly used size is 108 45、φ127×4.5、φ133×4.5, 159 5, etc.
3. Q345D seamless steel pipe.
Compared with Q345B and Q345C seamless steel pipes, Q345D seamless steel pipe has higher impact energy and fatigue resistance, which is suitable for occasions that bear high load and high impact. Its specifications and dimensions are generally the outer diameter and wall thickness, and the commonly used sizes are 168 6, 219 6, 273 7 and so on.
Fourth, Q345E seamless steel pipe.
Q345E seamless steel pipe is the highest strength level in the Q345 series, with higher yield strength and tensile strength, as well as better low-temperature impact toughness. Its specifications and dimensions are generally the outer diameter and wall thickness, and the commonly used sizes are 299 10, 325 8, 351 9 and so on.
In practical applications, different types of seamless steel pipes have their own applicable occasions and ranges, which need to be selected according to specific needs. At the same time, the quality and performance of seamless steel pipes are also affected by the manufacturing process and the quality of raw materials, so the selection of high-quality seamless steel pipes is essential to ensure the safety and reliability of the project.