Penetrameter Selection
Penetrameter Selection
Penetrameter Selection
SOURCE SIDE
12
15
17
20
25
30
35
40
50
60
80
100
120
160
200
FILMS
WIRE TYPE
ESSENTIAL
WIRE
WIRE TYPE
DIN 62 FE
HOLE-TYPE
5
6
7
8
9
10
11
12
13
14
16
17
18
20
21
1A 06
1B 11
1B 11
1B 11
1B 11
1B 11
1B 11 OR 1C 16
1C 16
1C 16
1C 16
1C 16
1D 21
1D 21
1D 21
1D 21
10ISO16
10ISO16
10ISO16
10ISO16
6ISO12
6ISO12
6ISO12
1ISO7
1ISO7
1ISO7
1ISO7
10
12
15
17
20
25
30
35
40
50
60
80
100
120
160
(E) EXPOSURE TIME CALCULATION ( FILM NDT 65, ISOTOPE : IR 192, DENSITY -2
EXPOSURE TIME T= VALUE FOR GIVEN THICKNESS X (SFD IN CM)2
CURIE STRENGHT
Thickness
mm
4
6
Value v
0.025
0.028
Thickness
mm
18
20
Value
v
0.05
0.054
Thickness
mm
38
40
Value v
0.13
0.14
Thickness
mm
70
75
8
0.031
22
0.06
45
0.16
80
10
0.034
25
0.068
50
0.22
85
12
0.038
28
0.081
55
0.29
90
Value v
Curie
SFD
Thickness
mm
Time as per
Thickness
mm
Time
as per
Thickness
mm
Time as per
Thickness
mm
Time as per
above thickess
above thickess
above thickess
above thickess
Time In Minutes
Thickness
mm
Time
as per above
Thickness
mm
Time as per above
Thickness
mm
Time
as per above
Thickness
mm
Time as per above
thickess
thickess
thickess
thickess
0.6
10
65
4
633.75
18
1267.50
38
3295.50
70
15210.00
0.75
10
65
6
709.80
20
1368.90
40
3549.00
75
19012.50
0.975
10
65
8
785.85
22
1521.00
45
4056.00
80
24716.25
1.2
10
65
10
861.90
25
1723.80
50
5577.00
85
30420.00
92.95
1.54
10
65
12
963.30
28
2053.35
55
7351.50
90
39039.00
122.525
4
10.56
18
21.13
38
54.93
70
253.50
6
11.83
20
22.82
40
59.15
75
316.88
8
13.10
22
25.35
45
67.60
80
411.94
10
14.37
25
28.73
50
92.95
85
507.00
12
16.06
28
34.22
55
122.53
90
650.65
FILMSIDE
WIRE TYPE
ESSENTIAL WIRE
WIRE TYPE
4
5
6
7
8
9
10
11
12
13
14
16
17
18
20
1A 06
1A 06
1B 11
1B 11
1B 11
1B 11
1B 11
1B 11 OR 1C 16
1C 16
1C 16
1C 16
1C 16
1D 21
1D 21
1D 21
14
0.041
30
0.088
60
0.375
16
0.045
35
0.11
65
0.46
10
65
14
1039.35
30
2230.80
60
9506.25
10
65
16
1140.75
35
2788.50
65
11661.00
65
24.00
158.4375
14
17.32
30
37.18
60
158.44
0
0.00
16
19.01
35
46.48
65
194.35
0
0.00
125.6 10.46667
250.00 4.166667
Thickness
mm
Value v
4
0.025
6
0.028
8
0.031
10
0.034
4
0.025
0.003
0.028
6
0.028
0.003
0.031
8
0.031
0.003
0.034
16
10
0.034
0.004
0.038
METRIC/ENGLISH CONVERSION
SIZES 1-7
6-12
10-16
WIRE NUMBER
MM(IN)
WIRE NUMBER
MM(IN)
WIRE NUMBER
3.20 (0.128)
1.00 (0.040)
10
2.50 (0.100)
0.80 (0.032)
11
2.00 (0.080)
0.63 (0.025)
12
1.60 (0.064)
0.50 (0.020)
13
1.25 (0.05)
10
0.40 (0.016)
14
1.00 (0.040)
11
0.32 (0.013)
15
0.80 (0.032)
12
0.25 (0.010)
16
12
0.038
14
0.041
16
0.045
18
0.05
20
0.054
12
0.038
0.003
0.041
14
0.041
0.004
0.045
16
0.045
0.005
0.05
18
0.05
0.004
0.054
20
0.054
0.006
0.06
10-16
MM(IN)
0.40 (0.016)
0.32 (0.013)
0.25 (0.010)
0.20 (0.008)
0.16 (0.006)
0.125 (0.005)
0.10 (0.004)
22
0.06
25
0.068
28
0.081
30
0.088
35
0.11
22
0.06
0.008
0.068
25
0.068
0.013
0.081
28
0.081
0.007
0.088
30
0.088
0.022
0.11
35
0.11
0.02
0.13
38
0.13
40
0.14
45
0.16
50
0.22
55
0.29
38
0.13
0.01
0.14
40
0.14
0.02
0.16
45
0.16
0.06
0.22
50
0.22
0.07
0.29
55
0.29
0.085
0.375
60
0.375
65
0.46
70
0.6
75
0.75
80
0.975
60
0.375
0.085
0.46
65
0.46
0.14
0.6
70
0.6
0.15
0.75
75
0.75
0.225
0.975
80
0.975
0.225
1.2
85
1.2
90
1.54
85
1.2
0.34
1.54
90
1.54
1.54