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Full Description

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

TABLE 1 Deformed Bar Designation Numbers, Nominal Weights [Masses], Nominal Dimensions, and Deformation Requirements

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]

 7.65  [11.38 ]

1.693 [43.0]

2.25 [1452]

5.32  [135.1]

1.185 [30.1]

0.085 [2.16]

0.648 [16.5]

18 [57]

13.60  [20.24 ]

2.257 [57.3]

4.00 [2581]

7.09  [180.1]

1.58  [40.1]

0.102 [2.59]

0.864 [21.9]

 

Document History

  1. ASTM A1035/A1035M-20


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Most Recent
  2. ASTM A1035/A1035M-19


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  3. ASTM A1035/A1035M-16b


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  4. ASTM A1035/A1035M-16a


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  5. ASTM A1035/A1035M-16


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  6. ASTM A1035/A1035M-15


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  7. ASTM A1035/A1035M-14


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  8. ASTM A1035/A1035M-13b


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  9. ASTM A1035/A1035M-13a

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    viewing


    Standard Specification for Deformed and Plain, Low-Carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  10. ASTM A1035/A1035M-13


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  11. ASTM A1035/A1035M-11


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  12. ASTM A1035/A1035M-09


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  13. ASTM A1035/A1035M-07


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  14. ASTM A1035/A1035M-06


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  15. ASTM A1035/A1035M-05


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  16. ASTM A1035/A1035M-04e1


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version
  17. ASTM A1035/A1035M-04


    Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement

    • Historical Version