This week the team sorted through aluminum bar specs to see what series of aluminum we should be using. Below is our in progress spreadsheet listing the vendors we've been looking at. Spartan Superway Small Scale Aluminum Sourcing Vendor Checked Type of Aluminum Available Our dimensions of 1/4" thick, 1" wide, 4ft long available? Yield Str Hardness COST NOTES MCMASTER CARR 6061 NO. 1/4"x1" in 3' or 6' 35,000 95 $7.70 EA for 3' $13.51 for 6' 3003 Series has a 40% lower yield strength and a 58% lower Brinell hardness. Much easier to bend. MCMASTER CARR 3003 NO. 1/4"x1" in 3' or 6' 21,000 40 $60.59 for 3' $108.19 for 6' MCMASTER CARR 6063 YES 21,000 60 $12.65 for 4' $19.16 for 8' - MCMASTER CARR 1100 NO. 1/4"x1" in 3' or 6' 15,000 30 $10.00 for 3' $17.25 for 8' Maybe buy this in 8' and cut in half MIDWEST STEEL SUPPLY 6061 YES 35,000 95 $10.56 EA One of la...