Reinforcement Bar Sizes

The deformed reinforcing steel bar is supplied in length of 9m or 12 m as common sizes.

Reinforcement bar sizes.

The sizes of the large bars are based on the square rebars formerly made. Mass per unit length kg m nominal diameter mm cross sectional area mm 2 6 0. Astm standard metric reinforcing bars. Current a706 specification also covers bar sizes 14 and 18.

The steel bar diameter applied is different and accordingly the weight varies. 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. The maximum permitted yield strength under bs 4449 2005 is 650 mpa. 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.

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. For driveways and patios a 3 rebar which is 3 8 inch in diameter should be sufficient for the purpose. 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 cross sectional area as given by πr works out to bar size 9 027 which is approximated as bar size 9 square inches. Rebar chart bar numbers are based on the number of 1 8 inches included in the nominal diameter of the bar. 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. For example the area of 8 bar is 8 9 0 79 square inches.

As a subsidiary of nucor we have access to rebar across the us and internationally through nucor trading. Current a615 specification covers bar sizes 14 and 18 in grade 60 and bar sizes 11 14 and 18 in grade 75. European rebar size chart. What size rebar should i use.

Imperial bar sizes give the diameter in units of 1 8 inch so that 8 1 inch diameter. 40 60 and a706 weldable. Astm a615 standard reinforcing bars. One of the most common questions is.

We stock a wide variety of rebar sizes from 3 10. We are listing theoretical unit weight list of commonly used wire gauge below for your reference. 20 30 40 and 60.