Yeah...I don't know if what I was asking makes any sense. I assume when you say "modern wheels", that implies that steel wheels have not always been made this way. I was asking if the (presumed) change in manufacturing methodology yielded only cost benefits or if the end product is a wheel that is better today than say one made 30 years ago.
Ah, well I only talked about modern steel wheels because they are the ones I used to design. I don't know how they used to make the rims before they developed the welds up to the point where they could withstand the forming process.
Steel wheels are a 'better' product to my mind, at least in the small sizes, than alloys.
Lee- you have to be very careful to differentiate between wheels and tires that are designed for Australian conditions, and those designed for Europe in partiuclar, and even the USA. For example we took a USA 4wd outback, and its poxy tires optimised for rolling resistance all blew within 100 km. Fitted some decent Coopers and no more problems.
Again for wheels both Ford of Australia and Holden have additional strength requirements /way/ beyond overseas markets.
Steel wheels do have a fatigue life at some point they will let go. I'd guess a half a million miles of street use would be a conservative target.
Edited by Greg Locock, 16 April 2013 - 01:32.