Reinforcement Bar Sizes

Us imperial bar sizes give the diameter in units of 1 8 inch 3 2 mm for bar sizes 2 through 8 so that 8 8 8 inch 1 inch 25 mm diameter.

Reinforcement bar sizes.

Astm standard metric reinforcing bars. What size rebar should i use. Rebar chart bar numbers are based on the number of 1 8 inches included in the nominal diameter of the bar. For driveways and patios a 3 rebar which is 3 8 inch in diameter should be sufficient for the purpose.

Bar sizes 9 through 18 are not included in the a996 specification. We are committed to having what our customers need when they need it. 20 30 40 and 60. The deformed reinforcing steel bar is supplied in length of 9m or 12 m as common sizes.

Table 1 rebar size and weight table the diameter in table 1 is a nominal number and is measured at the narrowest points on the bar. The sizes of the large bars are based on the square rebars formerly made. 40 60 and a706 weldable. European rebar size chart.

We are listing theoretical unit weight list of commonly used wire gauge below for your reference. The cross sectional area as given by πr works out to bar size 9 027 which is approximated as bar size 9 square inches. Size 9 has the same weight per foot and cross sectional area as a 1 inch square bar size 10 as a 1 1 8 inch square bar size 11 as a 1 inch square bar size 14 as a 1 inch square bar and size 18 as a 2 inch square bar. The nominal diameter of a deformed bar is equivalent to the diameter of a plain bar having the same weight per foot as the deformed bar.

Mass per unit length kg m nominal diameter mm cross sectional area mm 2 6 0. One of the most common questions is. The steel bar diameter applied is different and accordingly the weight varies. Astm a615 standard reinforcing bars.

Current a706 specification also covers bar sizes 14 and 18. For example the area of 8 bar is 8 9 0 79 square inches. High yield steel is best used for heavy duty rebar and has grade 500 reinforcement has a yield strength of 500 mpa or n mm2. The maximum permitted yield strength under bs 4449 2005 is 650 mpa.

Imperial bar sizes give the diameter in units of 1 8 inch so that 8 1 inch diameter. Current a615 specification covers bar sizes 14 and 18 in grade 60 and bar sizes 11 14 and 18 in grade 75. As a subsidiary of nucor we have access to rebar across the us and internationally through nucor trading.