Metal & Alloy Square Bar Pricing
Analysis of 6,129 eBay listings for metal and alloy square bars.
What you'll usually pay
💡 Used ones cost about 27% more here.
👉 In short easy summary
The best value is found in Brass bars, which sit 25% below the market median. Conversely, Carbon Steel represents the highest premium at 81% above the median.
💚 Best value for your money
Price by bar thickness
Why? Prices scale with material volume, ranging from 24.99 for 1/2 in to 45.06 for 3/4 in.
Price by bar length
Why? Cost increases significantly with length, from 20.62 for 18 in up to 57.5 for 36 in.
Price by metal/alloy type
Why? Material composition drives cost, with Brass at 21.07 and Carbon Steel at 50.5.
🛒 Some on sale right now
Common questions
Which metal type is the most affordable?
Brass is the most affordable option with a median price of 21.07.
How does the price of 48-inch bars compare to the market median?
48-inch bars have a median price of 55.76, which is 100% above the market median.
What is the price difference between new and used square bars?
New bars have a median price of 30, while used bars are higher at 38.
How we got these numbers
Worked out from 200 live eBay listings (price range $12–$120, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 28, 2026.