... of the wind power generation,the. Low alloy structural steel plate: The low alloy structural plates make use in making factory ... such as drilling machine,excavators,selfdischarging vehicles with electron-motion wheels,trucks for miners's uses,grabs,loading machines,bulldozers, ... hydraulic brackets,ect.The plates include as follows: Common low alloy structural plate. Q295,Q345,Q390,Q420,Q460 GB/T ...