Q345B steel is a material of steel, and Q345B steel is a low-carbon alloy steel. Q345B steel has good comprehensive performance, good low temperature performance, good cold stamping performance, good welding performance and good machinability. Q345B steel is widely used in bridges, vehicles, ships, buildings, pressure vessels, etc.
Mechanical properties of Q345B steel
Q345B steel yield strength
≤16mm: greater than 345,
16-40mm: greater than 335,
40-63mm: greater than 325,
63-80mm: greater than 315,
80-100m: greater than 305,
100-150mm: greater than 285,
150-200mm: greater than 275.
Q345B steel tensile strength: 450-630.
Q345B steel elongation: greater than 17.
Q345B steel has higher strength, tensile properties and bending properties, meets the impact energy requirements at room temperature, and is suitable for manufacturing structures that work at different ambient temperatures and are subjected to impact loads. Q345B steel is used in car body covers and connectors in mining machinery, engineering vehicle boxes resistant to low temperature and high impact loads, force-bearing parts in building steel structures, counterweight devices for large machinery, small and medium loaders, excavators, etc. Common structural parts for the body and frame of road rollers and road rollers, and bridges. Q345B steel can also be used for the barrel of concrete mixer truck, etc.
