Material of Ground Screw
Generally, the material of ground screw is carbon steel Q235, sometimes some customers require that producing ground screws by carbon steel Q235B or Q345 because the feature is not same using different steel material.
Special situation, the top of ground screw use carbon steel Q345 and the pipe of ground screw use carbon steel Q235. So we will make Q235 ground screw if no special needs of yours.
Q235 is one structure of carbon steel and the yield value of Q235 is 235Mpa. With the growth of the thickness of pipe, the yield value will increase.