1045 standard steel pipe, 45 # seamless steel pipe

45 # seamless steel tube after quenching and tempering treatment has good comprehensive mechanical properties, widely used in a variety of important structural parts, especially those working under alternating load connecting Rod, bolt, gear and shaft, etc. . But the surface hardness is low, not wear-resistant. The surface hardness of parts can be improved by quenching and tempering + surface quenching.