TABLE II.
Mechanical property values for bolts, studs and hex cap screws. - Continued
Machined specimens from fasteners or on
Full size fasteners
parent barstock
Heat
Elongation Reduction
treatment
Nominal Tensile
of area,
in 4D
Yield
Proof
Tensile
Yield
diameter strength, strength, stress, Rockwell strength strength, percent, percent,
or
Material condition
(inches)
ksi min ksi min hardness ksi, min ksi, min
min
min
ksi
All
11
11
11
11
11
11
544
60
35
15
60-90
35
sizes
All
11
11
11
11
11
11
632
90-120
35
90
35
18
sizes
All
1
5
1
1
1
9
655
65 -100
35
65
35
15
sizes
As formed
All
9
9
661 or stress
65 -100
35
65
35
15
sizes
relieved
All
11
11
11
11
11
11
670
55-90
20
55
20
20
sizes
All
9
5
9
55-90
675
55
20
20
20
sizes
¾ or
8
40
80
40
20
80-110
less
400 As formed
1
1
Over ¾ 801-1108
1
or stress
20
80
40
40
relieved
All
1
1
1
8
1
20
405
80 -110
80
40
40
sizes
less
8
130
90
20
Annealed
130-180
90
C24-35
than 1
500
and Age
1 and
8
Hardened
130-180
85
130
85
20
C24-35
over
2¼ or
11
11
11
11
11
11
120 min
B85-C35
120
60
30
60
11
less
Annealed
625
11
11
11
11
Over 2¼ 110 min11
11
B85-C35
110
50
25
50
All
1
1
2024
T4
62
40
10
62 min
40
sizes
All
1
1
6061
T6
42
35
10
42 min
35
sizes
All
1
7075
T73
68
56
10
68 min
50
sizes
Less
1
1
1
1
1
2
125 -165
115
125
115
12
20
than 1½
Annealed 1½ to 2 120-16511
11
11
11
11
11
T7
110
120
110
12
20
11
11
11
11
11
11
115
105
12
20
105
Over 2
115-165
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