Q500D steel plate belongs to low-alloy high-strength structural steel plate. Q stands for structural steel, 500 stands for thickness ≤ 50mm and the minimum yield strength is 500MPa, D stands for the quality grade of the steel plate, and the -20°C impact test is done.
The implementation standard of Q500D steel plate is to implement the GB/T3247 standard.
The delivery state of Q500D steel plate is quenched and tempered (quenching + tempering), and the delivery state can also be specified according to technical requirements.
The performance requirements in the thickness direction of Q500D steel plates are Z15, Z25, and Z35.
The requirements for Q500D steel plate flaw detection are first inspection, second inspection and third inspection.
Chemical composition of Q500D steel plate
C: ≤0.2
Si: ≤0.8
Mn: ≤1.7
Cu: 0.5
Cr: ≤1.5
Ti: ≤0.05
Ni: ≤2
P: ≤0.025
S: ≤0.015
Mo: ≤0.7
Nb: ≤0.06
B: ≤0.005
V: ≤0.12
Application range of Q500D steel plate
Q500D steel plate can be used to manufacture factory buildings, general construction and various construction machinery, such as drilling rigs, electric shovels, electric wheel dump trucks, mining cars, excavators, loaders, bulldozers, various cranes, Coal mine hydraulic support and other mechanical equipment and other structural parts.
