Thursday, Aug 22, 2019 at 20:38
I'm with Scrubby on this one. I've seen many Alloy wheels fractured on vehicles that have been in crashes. They usually fracture through the spokes.
But a steel wheel fracture is very uncommon, they have much more rim support because they don't have spokes - and also because steel will bend a lot more than alloy, before it breaks.
You will also find that there are standard-duty steel rims, and heavy duty steel rims.
The heavy duty steel rims have a centre made from thicker metal.
I was already aware of this feature from the old HQ-
WB Holdens, whereby the HQ-
WB 1-Tonner wheels use thicker steel in the rim centre - but I was recently surprised to find, when commencing the construction of a 4500kg tandem plant trailer, utilising Landcruiser steel wheels, that the Landcruiser also has standard duty, and heavy duty steel wheels (in the 5 stud split rim versions, anyway).
If you examine the Landcruiser 5 stud steel wheels, you'll find the ones with 16 holes in the centre section are the standard rim, and the ones with 12 holes in the centre section, are the heavy-duty wheel, with a slightly thicker centre.
Cheers, Ron.
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