Like a steel rebar and wire spiral, is the same? What's the difference?
Generally, the thickness of the plane is about 1/30 of the span, and the value is more than 80. The higher the mark of commodity concrete, the higher the price, the different areas are, the average is about 350.
The difference is that there are different ways of supplying. One is straight supply, the other is supplied by diskHalf of the price slightly lower than the straight, use less material processing to zero, but more a process.
Generally, most of the diameter of thread steel in 10-34mm, while the general disk diameter less than 10mm, but also because of too small so often set up the price must be placed, what will be a little expensive disk. A house built of steel plate with the words to be used for different purposes. The price of concrete is not clear.
