Load Range F Tires

So now I'm on eBay and I'm wondering if I should go to F rated tires. I think G rated tires are way overboard for this application. 10,000 lbs, including the trailer, is the rare maximum these tires will ever have to carry. Not to mention the price of Gs are far more expensive. But I have two questions.

1. Your thinking on G load tires are correct for that size trailer. If the F tires are a commercial grade all steel ply carcass then they also don't work the best with lower tire pressures.

2. If the trailer was in long haul service derating the tires pressure is never a good idea for several reasons.
However with your trailers part time operation and the F are a known quality tire then they will work better than your trailers OEM maypops.

Depending on how many miles of service your wanting you will get more miles out of a tire with thicker tread depths. Those F may have 14-16/32nds of tread depths good for 60k-80k miles of service. Thin tread depth tires (8/32-10/32nds) won't make that kind of service.

I have a 20' 10k car hauler/5.2k axles/16" wheels that has about the same working conditions as yours. This trailers duty is carrying my 7680 lb blue tractor/implements out to occasional job sites for you.
Gross axle loads run 8840 lbs to 9280 lbs depending on tractor implements.
The OEM tires were Provider ST235/80 -16 E at 3520 lbs per tire. Ran the first set for around 38-39k miles and 9 years. Lots of tread left but didn't want any tire issues on the road so bought a 2nd set from Discount tire. Their a poly carcass tire...I keep all my trailers tires (load C/D/E/G) at max sidewall 24/7.
The Providers first came out on commercial trailers showing up on haulers forums in the '10 era and are one of the first new gen higher speed rated ST class tires.