JACKWELL ENGINEERING
AHMEDABAD INDIA
A) CLIENT DATA
OWNER :
M/s. INDIAN OIL CORPORATION LIMITED
PROJECT:
-
REF. NO. :
IOCL-MECH-IC-121
EQUIPMENT: 10" #150 Monolithic Insulating joints
DOC. NO. :
DC-JW-TEN-IJ-23-003
DTD.:
03.05.2023
VALUE
REV.
A
B) INPUT DATA
SR. NO .
DISCRIPTION
SYMBOL
UNIT
1
DESIGN CODE
-
-
2
LINE SIZE
D
cm
27.310
273.1 mm
3
FORGING NECK OD
DF
cm
27.310
273.098 mm
4
DESIGN PRESSURE
P
kg/cm2
19.300
5
DESIGN TEMPERATURE
T
˚C
(-)5 to 55
6
LINE MATERIAL
-
-
API 5L GR. X46
7
FORGING MATERIAL
-
-
ASTM A 694 F46
8
LINE THICKNESS
t
cm
0.927
9
YEILD STRENGTH
Y
kg/mm2
3234.130
10
DESIGN FACTOR
F
-
0.5
11
ALLOWABLE STRENGTH
S
kg/cm2
1617.065
=YxF
12
CORROSION ALLOWANCE
C
cm
0.3
3
ASME B 31.8/4
C) CALCULATION
REQUIRED FORGING NECK THICKNESS CALCULATION:th =
P x DF
2xS
th =
19.3 x 27.31
2 x 1230.376
th =
527.083
2460.75
th =
0.163
cm
th =
1.630
+ 3 mm
th =
4.630
mm
PROVIDED FORGING NECK THICKNESS (mm) =
REMARK
9.27
PREPARED BY:
CHECKED BY:
APPROVED BY:
JECKY
VP
VP
MDMT : 0˚C
9.27 mm
46000
PSI
mm