ASME Tube Joint Reliability Factor - PV Elite - Help - Hexagon

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Enter a value between .40 and 1.0 based on the following table from ASME VIII appendix A table A-2. This is needed when the tube connection class is not specified above.

Type

Joint

Description

Fr.(test)

Fr.(no test)

1

a

Welded only, a ³ 1.4t

1.00

.80

2

b

Welded only t £ a < 1.4t

.70

.55

3

b-1

Welded only a < t

.70

..

4

c

Brazed examined

1.00

.80

5

d

Brazed not fully examined

0.50

.40

6

e

Welded a ³ 1.4t, exp.

1.00

.80

7

f

Welded a < 1.4t, exp, 2 grooves

.95

.75

8

g

Welded a < 1.4t, exp, 1 grooves

.85

.65

9

h

Welded a < 1.4t, exp, 0 grooves

.70

.50

10

i

Expanded, enhanced with 2 or more grooves

.90

.70

11

j

Expanded, enhanced with single groove

.80

.65

12

j

Expanded, not enhanced (no grooves)

.60

.50