Probably no difference in the steel other than hot rolled will have a little slag/roughness and cold rolled will be clean/smooth with sharp corners. Use the hot rolled for the frame repair and save the cold rolled for something that requires a better looking surface.


1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy