U shaped steel sheet pile has a type of section steel with a lock. Cross section of U shaped steel sheet pile is straight plate, groove and Z shape.The production technology of U-shaped steel sheet pile is mainly produced by high temperature rolling of section mill. It has special size, superior performance, reasonable cross-section, high quality and tight waterproof lock mouth. The disadvantage is that the technology is difficult, the production cost is high, and the specification series is not flexible.