▎ 摘　　要

NOVELTY - The utility model claims a radiating type steel tube for vehicle, comprising a main body, the main body comprises an outer tube body and an inner tube body set in the outer tube body, between the outer tube body and the inner tube body is provided with multiple connecting guide post, two ends of each connecting guide post respectively connected with the outer side wall of the inner tube body, the inner side wall of the outer pipe body, several connecting guide columns are uniformly arranged along the central axis of the inner pipe body; two adjacent connecting guide columns and the inner pipe body, a radiating cavity is formed between the outer pipe body, the outer surface of each connecting guide post is provided with a graphene coating, the outer surface of the outer pipe body is provided with a weather-resistant layer, the inner side surface of the inner pipe body is concavely provided with multiple radiating grooves extending along the axial direction of the central axis of the inner pipe body, the inner side surface of the inner pipe body is provided with an organic silicon heat-resistant paint layer; Therefore, it accelerates the heat transfer, improves the radiating efficiency, the whole radiating performance is better, prolongs the service life, and reduces the weight of the whole steel pipe, the steel pipe is more light.