What is Q345B cutting steel plate
Q345B cutting steel plate is low alloy structural steel with good mechanical properties, low temperature performance, plasticity and good weldability. Q345B cutting steel plate is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, general metal parts.
Q345B cutting steel plate is a steel with less than 0.2 percent of its composition made up of carbon, less than 0.55 percent of its composition made of silicon and several impurities (mostly sulfur, chromium and nickel).
The tensile strength of Q345B cutting steel plate is rated at 470 to 630 Mpa and yield strength no less than 345 Mpa. The yield point of Q345B cutting steel plate decreases as plate thickness increases. Q345B cutting steel plate suffers elongation before it pulls apart, typically at 20-21 percent of its initial length.
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