Square pipe piece head for steel radiator

The utility model provides a square pipe piece head for a steel radiator, relates to the technical field of heating radiators, and provides a radiator piece head of a novel structure. The square pipe piece head comprises a main body part and a blocking part, the interior of the main body part is hollow, an opening is formed in one side of the main body part, the blocking part is arranged on the main body part and located on the opening side of the main body part, connecting ports are formed between the blocking part and the main body part, at least one connecting port is a square connecting port, and the square connecting ports are used for being in butt joint with the end face of a square pipe or a rectangular pipe; a square connecting opening is defined by every two adjacent blocking parts and the end face of the main body part, and/or a square connecting opening is defined by the blocking part and the end face, on one side of the blocking part, of the main body part. The square tube radiator is used for be