ASTM A-706 SPECIFICATIONS

PARAMETERS SPECIFIED BY ASTM A-706

Deformed Bars Designation Numbers, Nominal Weights [Masses], Nominal Dimensions and Deformation Requirements

Strength & Durability

High Thermal Resistance

Deformation
Pattern

Corrosion
Resistant

Deformed bar Desiignation numbers,nomiinal weights[masses]

Nominal weight lb/ftNominal DimensionsNominal DimensionsNominal DimensionsDeformation Requirements, in [mm]Deformation Requirements, in [mm]Deformation Requirements, in [mm]
Bar Designation NoNominal Mass kg/mDiameter in (mm)Cross Sectional Area in(mm)Perimeter, in (mm)Maximum average SpacingMaximum average HeightMaximum 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[1.522]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[1708]0.050[1.27]0.383[9.7]
9[29]3.400[5.060]1.128[28.7]1.00[645]3.544[90]0.790[20.1]0.056[1.42]0.431[10.9]
10[32]4.303[6.404]1.270[32.3]1.27[819]3.99[101.3]0.889[22.6]0.064[1.63]0.487[12.4]
11[36]5.313[7.970]]1.410[35,8]1.56[1006]4.43[1125]0.987[25.1]0.071[1.8]0.540[13.7]
14[43]7.60[110380]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]13.6[20.240]2.257[57.3]4.00[2581]7.09[180.1]1.580[40.1]0.0102[2.59]0.864[21.9]

Tensile requirements

Grade 60[420]
Tensile Strength, min, psi[Mpa]Tensile Strength, min, psi[Mpa]
Yeild Strength, min, Psi [Mpa]60,000[420]
Yeild Strength, max, Psi [Mpa]78,000[540]
Elongation in 8in [203.0mm], min%:
Bar Designation Number
3,4,5,6[10,13,16,19]14
7,8,9,10 [22,25,232,36]121
14,18[43,57]10

Bent Test Requirements

Pin Diameter For Bend Tests
Bar Design NumberGrade 60[420]
3,4,5,[10,13,16]3 1/2 d
6[19]5d
7,8[22,26]5d
Bar Designation Number7d
14,18[43,57](90)9d

Chemical composition

Manganese1.56%
CarbonGrade 60[420]
Sulfur0.33%
Phosphorus0.043%
Silicon0.55%