Reinforcing Bars

Imperial Bar Size

"Soft"
Metric Size

Weight
(lb/m)

Weight
(kg/m)

Nominal Diameter (in)

Nominal Diameter (mm)

Nominal Area
(in2)

Nominal Area
(mm2)

#3

#10

0.376

0.561

0.375

3

.11

71

#4

#13

0.668

0.996

0.500

4

.20

129

#5

#16

1.043

1.556

0.625

5

.31

200

#6

#19

1.502

2.240

0.750

6

.44

284

#7

#22

2.044

3.049

0.875

7

.60

387

#8

#25

2.670

3.982

1.000

8

.79

509

#9

#29

3.400

5.071

1.128

9

1.00

645

#10

#32

4.303

6.418

1.270

10

1.27

819

#11

#36

5.313

7.924

1.410

11

1.56

1006

#14

#43

7.650

11.41

1.693

14

2.25

1452

#18

#57

13.60

20.284

2.257

18

4.00

2581
Uncoated Seven Wire Low-Relaxation Steel Strand for Prestressed Concrete


Diameter


Area


Weight


Breaking Strength
Min. Load at
1% Extension (1)
Min. Elongation
to Fracture


Relaxation
1,000 h
Min. Difference
between center
& outer wire
70% CR 80% CR
in mm in2

mm2

lb/1000ft

 kg/1000m lbf KN lbf KN % % % in mm
Grade 250
 3/8 9.53 .08 51.61 272 405 20,000 89 18,000 80.1 3.5 2.5 3.5 0.002 0.0508
7/16 11.11 .108 69.68 367 548 27,000 120.1 24,300 108.1 3.5 2.5 3.5 0.0025 0.0635
1/2 12.7 .144 92.9 490 730 36,000 160.1 32,400 144.1 3.5 2.5 3.5 0.003 0.0762
0.6 15.24 .216 139.35 737 1,094 54,000 240.2 48,600 216.2 3.5 2.5 3.5 0.004 0.1016
Grade 270
 3/8 9.53 .085 54.84 290 432 23,000 102.3 20,700 92.1 3.5 2.5 3.5 0.002 0.0508
7/16 11.11 .115 74.19 390 582 31,000 137.9 27,900 124.1 3.5 2.5 3.5 0.0025 0.0635
1/2 12.7 .153 98.71 520 775 41,300 183.7 37,170 165.3 3.5 2.5 3.5 0.003 0.0762
0.6 15.24 .217 140 740 1,102 58,600 260.7 52,740 234.6 3.5 2.5 3.5 0.004 0.1016
SPE-CIAL
 STD 9/16 14.28 .191 123.44 651 989 51,700 229.8 46,530 206.8 3.5 2.5 3.5 0.0035 0.0889
SUPER
1/2 12.7 .162 104.3 550 819 45,000 200 40,500 180 3.5 2.5 3.5 0.003 0.0762
9/16 14.28 .194 125.1 660 982 54,000 240 48,600 216 3.5 2.5 3.5 0.0035 0.0889
Square/Rectangular ERW Tubing - Weight/Foot Chart
Wall Thickness  1/8 10* 9* 8*  3/16 6*  1/4  5/16  3/5  1/2  5/8
SQ. RECT.

WEIGHT (LBS.) PER FOOT*
Gauges 10,9,8 and 6 are SPECIAL ORDER
2 2.5 x 1.5 3.05 3.24 3.72 4.11 4.32   5.41 6.32      
2.25 3 x 1.5 3.48 3.7 4.04 4.44 4.97   6.25        
2.5 3 x 2
3.5 x 1.5		 3.9 4.15 4.54 5 5.59 6.34 7.11 8.45      
3 3.5 x 2.5
4 x 2		 4.75 5.07 5.55 6.12 6.87 7.36 8.81 10.58 12.17    
3.5 4 x 3
4.5 x 2.5
5 x 2		 5.61 5.98 6.74 7.2 8.15 8.74 10.51 12.7 14.72    
4 5 x 3
6 x 2		 6.46 6.89 7.56 8.37 9.42 10.13 12.21 14.83 17.27 21.63  
4.5 5 x 4
6 x 3		 7.31 7.96     10.7 11.5 13.91 16.96 19.82    
5 6 x 4
7 x 3
8 x 2		 8.16       11.97   15.62 19.08 22.37 28.43  
5.5 6 x 5
6.5 x 4.5
7 x 4
7.5 x 3.5
8 x 3		 9.01       13.25   17.32 21.21 24.93    
6 7 x 5
8 x 4
9 x 3
10 x 2		 9.86       14.53   19.02 23.34 27.48 35.24 42.3
7 8 x 6
9 x 5
10 x 4
12 x 2		 11.54       17.08   22.42 27.59 32.58 42.05 50.81
8 9 x 7
10 x 6
12 x 4		 13.27       19.63   25.82 31.84 37.69 48.85 59.32
9 10 x 8
12 x 6		         22.18   29.23 36.1 42.79 55.66 67.82
10 12 x 8         24.73   32.63 40.35 47.9 62.46 76.33
* Gauges 10,9,8 and 6 are SPECIAL ORDER.
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