Reinforcement Bar Sizes

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.

Reinforcement bar sizes.

Imperial bar sizes give the diameter in units of 1 8 inch so that 8 1 inch diameter. 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. 40 60 and a706 weldable. Bar size imperial bar size metric weight lb ft weight kg m diameter inches diameter mm 3.

We stock a wide variety of rebar sizes from 3 10. Current a706 specification also covers bar sizes 14 and 18. The sizes of the large bars are based on the square rebars formerly made. 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.

Rebar chart bar numbers are based on the number of 1 8 inches included in the nominal diameter of the bar. The cross sectional area as given by πr works out to bar size 9 027 which is approximated as bar size 9 square inches. 20 30 40 and 60. For driveways and patios a 3 rebar which is 3 8 inch in diameter should be sufficient for the purpose.

Please note that adjusting the rebar sizes by increasing the diameter does not make it twice as strong. 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. We are listing theoretical unit weight list of commonly used wire gauge below for your reference. 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.

Bar sizes 9 through 18 are not included in the a996 specification. Astm standard metric reinforcing bars. Astm a615 standard reinforcing bars. The deformed reinforcing steel bar is supplied in length of 9m or 12 m as common sizes.

What size rebar should i use. The maximum permitted yield strength under bs 4449 2005 is 650 mpa. We are committed to having what our customers need when they need it. Mass per unit length kg m nominal diameter mm cross sectional area mm 2 6 0.

Current a615 specification covers bar sizes 14 and 18 in grade 60 and bar sizes 11 14 and 18 in grade 75. The steel bar diameter applied is different and accordingly the weight varies. For example the area of 8 bar is 8 9 0 79 square inches.