Brian Trommater
TVWBB Super Fan
I been looking for cast iron grate for my kettle. They seem to be in short supply. Was try to find the Stok SIS9000 Grill Replacement 22-1/2-Inch Grate
There are multiple options
Craycort
https://www.cast-iron-grate.com/grates-for-weber-charcoal-grills/22-5-kettle-grills.html
Malory
https://malorycookware.com/products/grill-grate
Napolean
https://www.atbbq.com/napoleon-grills-hinged-cast-iron-charcoal-grill-grate-22-inch.html
Do Look at Stainless Steel options though as they are practically maintenance free
https://abcbarbecue.com/product/22-cooking-grate/
Super Solid Life long kind of Grates
http://killagrilla.com/
Weber also has Stainless GBS Grates (Removal Centers) Style
I had the craycort
Rusted away pretty quick in humid wet south louisiana
Heat of grilling fire burns seasoning grease off, leaves it unprotected.
After a year , wife cooked on disposeable aluminum mesh to avoid rust flakes on meat
If you going to re-season after every cook, or store indoors, thats what will take in humid wet place.
If live in socal or nm, probably not issue.
Someone needs to make cast ss