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ASME Sect. VIII Div. 1 Nozzle Neck Thickness in Shell Calculation
Enter the following information:
Check service, shell and nozzle wall thickness and other restrictions in ASME Sect. VIII Div.1 before entering data.
Check selected nominal pipe diameter with available commercial pipe size standards.
Nozzle neck nominal size (in):
0.375
0.5
0.75
1
1.25
1.5
2
2.5
3
3.5
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
36
42
48
Check selected nominal pipe diameter with available commercial pipe size standards.
Shell nominal size (in):
1
1.25
1.5
2
2.5
3
3.5
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
36
42
48
If material spec. is not in the list, choose pipe based on the manufacturing method (Seamless, EWR/Welded, or Rolled and Welded). Enter allowable stress at design temperature in the appropriate text boxes below.
Nozzle Pipe Material:
Select Nozzle Material
SA-53r.B ERW
SA-53r.B SMLS
SA-516Gr.70 Rolled & Welded
SA-283Gr.C Rolled & Welded
SA-515 Gr.70 Rolled & Welded
SA-106Gr.B SMLS
SA-312 316L SMLS
SA-312 316L WLD G5
SA-312 304L SMLS
SA-312 304L WLD G5
SA-240 316L G5 Rolled & Welded
SA-240 304L G5 Rolled & Welded
Seamless pipe
ERW/Welded pipe
Rolled and Welded
.
Shell Pipe Material:
Select Shell Material
SA-53r.B ERW
SA-53r.B SMLS
SA-516Gr.70 Rolled & Welded
SA-283Gr.C Rolled & Welded
SA-515 Gr.70 Rolled & Welded
SA-106Gr.B SMLS
SA-312 316L SMLS
SA-312 316L WLD G5
SA-312 304L SMLS
SA-312 304L WLD G5
SA-240 316L G5 Rolled & Welded
SA-240 304L G5 Rolled & Welded
Seamless pipe
ERW/Welded pipe
Rolled and Welded
Check nominal wall thickness with commercial pipe wall thickness standards.
Nozzle neck nominal thickness (in):
Check nominal wall thickness with commercial pipe wall thickness standards.
Shell nominal thickness (in):
Design temperature, F:
Design pressure (psi):
Circumferential Butt Joints for Neck, Exceeded 10 NPS and/or 1 1/8 in. wall thickness:
none
Type 1 x-ray: none
Type 1 x-ray: spot
Type 1 x-ray: full
Type 2 x-ray: none
Type 2 x-ray: spot
Type 2 x-ray: full
Longitudinal Butt Joint Type 1 or 2 in Neck for Rolled & Welded Pipe:
Type 1 x-ray: none
Type 1 x-ray: spot
Type 1 x-ray: full
Type 2 x-ray: none
Type 2 x-ray: spot
Type 2 x-ray: full
Corrosion allowance, in :
0.0
0.03125
0.0625
0.125
0.1875
0.25
Allowable stress at design temperature for nozzle material, ksi:
Allowable stress at design temperature for shell material, ksi:
Nozzle insertion:
abbuting the vessel wall
inserted through the vessel wall
Nozzle projection beyond the inner surface of the vessel wall, in.:
Angle of plane with logitudinal axis, deg :
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Check for nozzles shown in Fig. 40 [j], [k], [n]
Outward neck weld leg, in.:
Inward neck weld leg, in.:
Please select pipe material