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304 stainless steel perforated sheet has good strength, weldability, and corrosion resistance
Unpolished (mill) surface has no finish
Perforations are staggered in parallel diagonal rows
The 304 stainless steel perforated sheet with staggered perforations has an unpolished (mill) surface. The 304 stainless steel grade provides good strength and weldability, and is resistant to corrosion. It is typically nonmagnetic. The perforations are staggered in parallel diagonal rows.
Perforated metal sheets are created by punching a series of holes in a solid material. The holes are typically round, square, or slotted, but other patterns include hexagonal, Grecian, and cane. Holes are staggered (in parallel diagonal rows) or straight (in parallel vertical and horizontal rows). A sheet’s perforation size, center spacing, and percent open area (ratio of open space to total space in a given area of expanded metal) will all affect the particle size and the amount of light, sound, air, and liquid that can pass through.
Most Helpful Customer Reviews
After seeing the other 1 star review, I ran downstairs and put a micrometer on my sheet. It's definitely 16 gauge, and it's 304 for certain. I've used it in several hi temp/lousy environment applications, without any rust. One application is a custom cooking grate for doing fish, etc. on a charcoal grill. In retrospect the gauge is a little thin for that. Another application is part of an outdoor roaster with temps reaching 400F +. Both get left out in the weather, but remain passivated and rust free. If I drove 100 miles, I could never find a shop near me that would have this in stock. So it is just amazing that I can even get it, let alone at this price. Which is actually almost 40% lower than when I bought it a year ago. And I thought the Chinese were hogging all the Stainless.
I own a 52 gallon extreme cooler which I use as my hybrid biab mash tun. I bought this as a screen that allows me to filter the mash (through a mesh bag that sits on this as a false bottom) and allows for an easier sparge. It also enables better recirculation too via my rims setup. Bent the sides down to match my cooler size then cut the folds down to size. Careful on the oils that this thing comes laced with on arrival - clean it well before you use it for food (or beer in my case).
This is a top quality stainless steel, it arrived when expected and no disappointment at all. this 24x12" sheet made a perfect coffee roasting drum for my rotating chicken roaster :) total cost for this sheet and welding wire was under $50 comparing to $350.00 on eBay for premade and small in size roasting drum. The rotisserie cost brand new $50 at Wal-Mart may be a lot less on amazon, conversion kit to propane $5.00@ local flea market :) well total cost of $105 made professional coffee roaster which could have cost me over $1000.00 if I had to buy one that's premade. Thank you amazon. Conversion from electric to propane was done because the rotisserie drains 1200 watts of electric plus it take about 40 minutes to roast espresso coffee, with propane burner removed from portable camping grill it takes 22 minutes at high setting and 28 minutes at medium setting. This is a very easy to weld material, I didn't have any mess or burn while welding with miler 80 watts.
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