1-116
1-116 STANDARD TORQUE VALUES (Continued)
Table 1-4. Standard Torque for Steel Taper Pipe Thread Fittings and Plugs
IN STEEL CASE
IN MAGNESIUM OR ALUMINUM CASE
SIZE
(INCH-POUNDS)
(INCH-POUNDS)
I
15
40
1/16-27
100
35
1/8-27
1/4-18
225
80
105
365
3/8-18
150
475
1/2-14
185
550
3/4-14
1-11-1/2
650
245
Torque Wrench, 0-30 Inch-Pounds
Torque Wrench, 30-150 Inch-Pounds
Torque Wrench, 100-750 Inch-Pounds
Table 1-5. Standard Torque for Tube and Hose End Fittings (B-Nuts)
HOSE END FITTINGS
FLARED TUBING NUTS
I
ALUMINUM ALLOY
DASH
TUBING
NO.
TUBING
STEEL
STEEL TUBING
OD
(INCH-POUNDS)
INCHES
REF.
(INCH-POUNDS)
(INCH-POUNDS)
-
-3
3/16
85
95
-4
145
1/4
95
55
130
70
190
-5
5/16
175
-6
100
285
3/8
475
-8
1/2
200
315
-10
275
675
390
5/8
-12
400
3/4
675
950
-16
1
925
600
1300
-
1-1/4
750
-20
-
-
-
-24
1-1/2
750
Torque Wrench, 30-150 Inch-Pounds
Torque Wrench, 100-750 Inch-Pounds
Torque Wrench, 700-1600 Inch-Pounds
1-624