****THIS IS A NEW APPENDIX. PLEASE READ CAREFULLY.****

 

MINIMUM TORQUE REQUIREMENTS

FOR ANCHOR BOLTS

 

 

Grade

Design.

Tensile

Strength

Minimum

Yield Strength

Min. ksi

7/16

in.

1/2

in.

9/16

in.

5/8

in.

3/4

in.

7/8

in.

1.0

in.

1 1/8

in.

1 1/4

in.

1 3/8

in.

1 1/2

in.

1 5/8

in.

1 3/4

in.

1 7/8

in.

2.0

in.

2 1/4

in.

2 1/2

in.

2 3/4

in.

3.0

in.

ASTM

F1554

Grade 36

58-80 ksi

36

6

9

13

19

30

41

60

95

132

177

212

290

377

467

544

623

876

1462

1891

ASTM

F1554

Grade 55

75-95 ksi

55

9

14

21

29

47

74

110

175

242

325

389

532

692

932

1085

1445

1610

2690

3510

ASTM

F1554

Grade 105

125-150 ksi

105

11

16

24

35

54

85

129

200

278

374

447

610

796

1091

1150

1660

1851

3093

4035

 

NOTE 1: Torque figures are in foot-pounds unless otherwise noted.