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ASTM International, 04/01/2013
Publisher: ASTM
File Format: PDF
$30.00$60.00
Published:01/04/2013
Pages:6
File Size:1 file , 95 KB
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1.1 This specification covers low-carbon, chromium, steel bars, deformed and plain for concrete reinforcement in cut lengths and coils. The standard sizes and dimensions of deformed bars and their number designations are given in Table 1. The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.2
Bar Designation No.
Nominal Weight, lb/ft [Nominal Mass, kg/m]
Nominal DimensionsA
Deformation Requirements, in. [mm]
Diameter, in. [mm]
Cross-Sectional Area, in. 2 [mm²]
Perimeter in. [mm]
Maximum Average Spacing
Minimum Average Height
Maximum Gap (Chord of 12.5 % of Nominal Perimeter)
3 [10]
0.376 [ 0.560]
0.375 [ 9.5]
0.11 [ 71]
1.178 [ 29.9]
0.262 [ 6.7]
0.015 [0.38]
0.143 [ 3.6]
4 [13]
0.668 [ 0.994]
0.500 [12.7]
0.20 [ 129]
1.571 [ 39.9]
0.350 [ 8.9]
0.020 [0.51]
0.191 [ 4.9]
5 [16]
1.043 [ 1.552]
0.625 [15.9]
0.31 [ 199]
1.963 [ 49.9]
0.437 [11.1]
0.028 [0.71]
0.239 [ 6.1]
6 [19]
1.502 [ 2.235]
0.750 [19.1]
0.44 [ 284]
2.356 [ 59.8]
0.525 [13.3]
0.038 [0.97]
0.286 [ 7.3]
7 [22]
2.044 [ 3.042]
0.875 [22.2]
0.60 [ 387]
2.749 [ 69.8]
0.612 [15.5]
0.044 [1.12]
0.334 [ 8.5]
8 [25]
2.670 [ 3.973]
1.000 [25.4]
0.79 [ 510]
3.142 [ 79.8]
0.700 [17.8]
0.050 [1.27]
0.383 [ 9.7]
9 [29]
3.400 [ 5.060]
1.128 [28.7]
1.00 [ 645]
3.544 [ 90.0]
0.790 [20.1]
0.056 [1.42]
0.431 [10.9]
10 [32]
4.303 [ 6.404]
1.270 [32.3]
1.27 [ 819]
3.990 [101.3]
0.889 [22.6]
0.064 [1.63]
0.487 [12.4]
11 [36]
5.313 [ 7.907]
1.410 [35.8]
1.56 [1006]
4.430 [112.5]
0.987 [25.1]
0.071 [1.80]
0.540 [13.7]
14 [43]
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