Low-noise blade for steam turbine

The utility model provides a low noise blade for steam turbine relates to steam turbine blade field, including: blade root part, blade profile part and blade top, the blade profile part is connected between blade root part and blade top, the blade root part includes connecting plate, and the inside of connecting plate is equipped with riveting hole, and is equipped with the structural groove between connecting plate, and the connecting plate is equipped with the riveting hole. The blade profile part comprises a near-curved surface close to the blade root part and a far-curved surface close to the blade top part, a straight-through hole is formed in the inner surface of the near-curved surface, a metal net is riveted to the end face of one side of the far-curved surface, the blade top part comprises tooth blocks, tooth grooves are formed between the tooth blocks, and a positioning shaft is connected between the tooth blocks in a penetrating mode. The steam turbine blade solves the problems that an existing ste