What are the material requirements for basement water stop screws

Hello, what are the material requirements of basement water stop screw?

The material of the water screw determines its own compressive rating, in addition to the material factors are also related to the diameter of the water screw, the height of the wall, per square layout of the water screw has a certain correlation, should be done in advance to account for the commonly used materials are q235b, a little bit higher there are q345b, for the special building, the material requirements may be higher. I hope to be able to help you, thank you.