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Ground Anchor Systems
Concrete Anchor Systems
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Grade B7 High Impact Threaded Bar
Threaded
Bar Types
Grade B-7
Information
Grade B-7
Accessories
Case
Histories
Corrosion
Protection
Grade B7 High Impact Threaded Bar
Williams ground anchors can be specified using our high impact Grade B-7 material. This product may be desireable in extremely cold temperatures or where rock fall may impact the anchor head. Bars come standard with N.C. or coil thread forms.
Structural Properties
Yield Stress
Ultimate Stress
105 KSI
(723 MPa)
125 KSI
(861 MPa)
Elongation in 20
bar diameter
Reduction
of Area
16% 50%
Charpy at -20º F (-29º C)
20 ft./lbs.
(27 Joules)
UNC Thread Form

UNC Thread Form

Coil Thread Form

Coil Thread Form

B8V Grade B7 High Impact Bar - ASTM A193
Bar
Diameter
Minimum
Net Area
Thru Threads
Minimum
Ultimate
Strength
Minimum
Yield
Strength
Nominal
Weight
Approx.
Thread
Major Dia.
Part Number
1/2" - 13 UNC
(13 mm)
0.142 in2
(91.6 mm2)
17.8 kips
(79.0 kN)
14.9 kips
(66.3 kN)
0.53 lbs./ft.
(.79 Kg/M)
1/2"
(12.7 mm)
B8V-04

5/8" - 11 UNC
(16 mm)

0.226 in2
(146 mm2)

28.3 kips
(126 kN)

23.7 kips
(106 kN)

0.84 lbs./ft.
(1.25 Kg/M)

5/8"
(15.9 mm)

B8V-05

3/4"- 10 UNC
(19 mm)

0.334 in2
(215 mm2)

41.8 kips
(186 kN)

35.0 kips
(156 kN)

1.22 lbs./ft.
(1.82 Kg/M)

3/4"
(19.1 mm)

B8V-06

7/8" - 9 UNC
(22 mm)

0.462 in2
(298 mm2)

57.8 kips
(257 kN)

48.5 kips
(216 kN)

1.71 lbs./ft.
(2.54 Kg/M)

7/8"
(22.2 mm)

B8V-07

1"- 8 UNC
(25 mm)

0.606 in2
(391 mm2)

75.8 kips
(337 kN)

63.6 kips
(283 kN)

2.12 lbs./ft.
(3.15 Kg/M)

1"
(25.4 mm)

B8V-08

1-1/8"- 7 UNC
(28 mm)

0.763 in2
(492 mm2)

95.4 kips
(424 kN)

80.1 kips
(356 kN)

2.67 lbs./ft.
(3.97 Kg/M)

1-1/8"
(28.6 mm)

B8V-09

1-1/4"- 7 UNC
(32 mm)

0.969 in2
(625 mm2)

121 kips
(539 kN)

102 kips
(453 kN)

3.38 lbs./ft.
(5.03 Kg/M)

1-1/4"
(31.8 mm)

B8V-10

1-3/8"- 8 UN
(35 mm)

1.23 in2
(794 mm2)

154 kips
(684 kN)

129 kips
(575 kN)

4.19 lbs./ft.
(6.24 Kg/M)

1-3/8"
(34.9 mm)

B8V-11

1-1/2"- 6 UNC
(38 mm)

1.41 in2
(909 mm2)

176 kips
(784 kn)

148 kips
(658 kN)

5.05 lbs./ft.
(7.52 Kg/M)

1-1/2"
(38.1 mm)

B8V-12

1-3/4"- 5 UNC
(45 mm)

1.90 in2
(1226 mm2)

238 kips
(1056 kN)

200 kips
(887 kN)

6.45 lbs./ft.
(9.60 Kg/M)

1-3/4"
(44.5 mm)

B8V-14

2"- 6 UN
(51 mm)

2.65 in2
(1710 mm2)

331 kips
(1473 kN)

278 kips
(1237 kN)

9.01 lbs./ft.
(13.4 Kg/M)

2"
(50.8 mm)

B8V-16

Williams Form Engineering Corp.
Threaded
Bar Types
Grade B-7
Information
Grade B-7
Accessories
Case
Histories
Corrosion
Protection
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