GE MS-6001B - Bolt and Stud Elongation Values

Inspection and MaintenanceStandard Practices
SP-6
Table 2-2
Bolt and Stud Elongation Values
A
A
APPROX. THICK-
NESS OF JOINT “A”
ELONGATION OF
BOLT OR STUD AF-
TER TIGHTENING
1.50 0.0022–0.0017
2.00 0.0030–0.0023
2.50 0.0037–0.0030
3.00 0.0045–0.0035
3.50 0.0052–0.0040
4.00 0.0060–0.0046
4.50 0.0067–0.0052
5.00 0.0080–0.0058
5.50 0.0082–0.0064
6.00 0.0090–0.0070
6.50 0.100–0.0075
7.00 0.0105–0.0080
7.50 0.0110–0.0087
8.00 0.0120–0.0093
8.50 0.0130–0.0098
9.00 0.0135–0.0100
9.50 0.0140–0.0110
10.00 0.0150–0.0116
10.50 0.0157–0.0121
11.00 0.0166–0.0130
11.50 0.0177–0.0133
12.00 0.0189–0.0140
BOLT OR STUD IN
BLIND HOLE
A
ANGLE OF
ROT.
ELONGATION
4°
0.001
8°
0.002
12°
0.003
16°
0.004
20°
0.005
39°
0.010
60°
0.015
Bolt and Stud Elongation Values for B5F5B3






L
and C1A5
SAE Gr. 8






GR8
Bolts and Studs with Stress of 35,000 P.S.I., Min. to 45,000 P.S.I. Max.