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ASTM 615 & 706 Standards

ASTM A-615 Specifications: – Parameters Specified by ASTM 615

Table 1: Deformed Bars Designation Numbers, Nominal Weights [Masses], Nominal Dimensions and Deformation Requirements

Bar Designation	Nominal Weight	Nominal Dimensions			Deformation Requirements, in [Mm]
No	lb/ft
	Nominal Mass	Diameter in	Cross Sectional	Perimeter, in.	Maximum Average Spacing	Minimum Average Height	Maximum Gap (Chord of 12.5 % of Nominal Perimeter)
	Kg/m]	[mm]	Area in	[mm]
			[mm]
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 [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]	0.790 [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]

Specifications of Grade 40 & Grade 60 Steel Bars:

Table 2: Tensile Requirements

		Grade 40 [280]		Grade 60 [420]
Tensile Strength, min, psi [Mpa]		60 000 [420]		90 000 [620]
Yield Strength, min, Psi [Mpa]		40 000 [280]		60 000 [420]
Elongation in 8 in [203.0mm], min %:
Bar Designation Number
3 [10]		11		9
4, 5 [13, 16]		12		9
6 [19]		12		9
7, 8 [22, 25]		…		8
9, 10, 11 [29, 32, 36]		…		7
	Table 3: Bend Test
	Bar Designation Number		Pin Diameter for Bend Tests
			Grade 40 [300]		Grade 60 [420]
	3,4,5 [10, 13, 16]		3½ d		3½ d
	6 [19]		5d		5d
	7, 8 [22, 25]		…		5d
	9, 10, 11 [29, 32, 36]		…		7d

ASTM A-706: – Parameters Specified by ASTM 706
Table 1: Deformed Bars Designation Numbers, Nominal Weights [Masses], Nominal Dimensions and Deformation Requirements
Bar Designation	Nominal Weight	Nominal Dimensions			Deformation Requirements, in [Mm]
No	lb/ft
	Nominal Mass	Diameter in	Cross Sectional	Perimeter, in.	Maximum Average Spacing	Minimum Average Height	Maximum Gap (Chord of 12.5 % of Nominal Perimeter)
	Kg/m]	[mm]	Area in	[mm]
			[mm]
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 [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]	0.790 [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]

Table 2: Tensile Requirements
	Grade 60 [420]
Tensile Strength, min, psi [Mpa]	80 000 [550]
Yield Strength, min, Psi [Mpa]	60 000 [420]
Yield Strength, max, Psi [Mpa]	78 000 [540]
Elongation in 8 in [203.2 mm], min %:
Bar Designation Number
3, 4, 5, 6 [10, 13, 16, 19]	14
7, 8, 9, 10, 11 [22, 25, 29, 32, 36]	12

Table 3: Bend Test Requirements

Bar Designation Number	Pin Diameter for Bend Tests

	Grade 60 [420]
3,4,5 [10, 13, 16]	3½ d
6,7,8 [19,22,25]	5d
9, 10, 11 [29, 32, 36]	6d

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ASTM Standards

ASTM 615 & 706 Standards

Specifications of Grade 40 & Grade 60 Steel Bars: