|
MILD STEEL FLANGES
JIS B2220 16K
| Nominal
Diameter of Flange |
Outside
Diameter of steel Pipe |
Inside
Diameter of Flange do |
Sectional
Dimensions of Flange |
Bolt
Hole |
Nominal
Bolt Size |
Approx.
Weight (kg) |
| Outside
Diameter of Flange D |
t |
T |
Diameter
of Hub |
Radius
r |
f |
g |
Bolt
Circle Diameter C |
Number
of Bolt Holes |
Hole
Diameter h |
| a |
b |
| 10
15
20
25
32
|
17.3
21.7
27.2
34.0
42.7
|
17.8
22.2
27.7
34.5
43.2
|
90
95
100
125
135
|
12
12
14
14
16
|
16
16
20
20
22
|
26
30
38
46
56
|
28
32
42
50
60
|
4
4
4
4
5
|
-
-
-
-
-
|
-
-
-
-
-
|
65
70
75
90
100
|
4
4
4
4
4
|
15
15
15
19
19
|
M12
M12
M12
M16
M16
|
0.52
0.58
0.75
1.16
1.53
|
| 40
50
65
80
(90)
|
48.6
60.5
76.3
89.1
101.6
|
49.1
61.1
77.1
90
102.6
|
140
155
175
200
210
|
16
16
18
20
20
|
24
24
26
28
30
|
62
76
94
108
120
|
66
80
98
112
124
|
5
5
5
6
6
|
-
-
-
-
-
|
-
-
-
-
-
|
105
120
140
160
170
|
4
8
8
8
8
|
19
19
19
23
23
|
M16
M16
M16
M20
M20
|
1.64
1.83
2.58
3.66
3.95
|
| 100
125
150
200
250
300
|
114.3
139.8
165.2
216.3
267.4
318.5
|
115.4
141.2
166.6
218.0
269.5
321.0
|
225
270
305
350
430
480
|
22
22
24
26
28
30
|
34
34
38
40
44
48
|
134
164
196
244
304
354
|
138
170
202
252
312
364
|
6
6
6
6
6
8
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
185
225
260
305
380
430
|
8
8
12
12
12
16
|
23
25
25
25
27
27
|
M20
M22
M22
M22
M24
M24
|
7.00
9.62
20.0
24.4
|
| 350
400
450
500
(550)
600
|
355.6
406.4
457.2
508.0
558.8
609.6
|
358.1
409.0
460.0
511.0
562.0
613.0
|
540
605
675
730
795
845
|
34
38
40
42
44
46
|
52
60
64
68
70
74
|
398
446
504
558
612
666
|
408
456
514
568
622
676
|
8
10
10
10
10
10
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
480
540
605
660
720
770
|
16
16
20
20
20
24
|
33
33
33
33
39
39
|
M30*3
M30*3
M30*3
M30*3
M36*3
M36*3
|
35.0
46.2
61.9
73.25
88.1
98.8
|
| 650
700
750
800
850
|
660.4
711.2
762.0
812.8
863.6
|
664
715
766
817
868
|
895
960
1020
|
48
50
52
54
56
|
77
80
83
86
89
|
704
754
806
865
916
|
726
776
832
885
936
|
10
10
10
10
10
|
5
5
5
5
5
|
770
820
880
930
980
|
820
875
935
990
1040
|
24
24
24
24
24
|
39
42
42
48
48
|
M36*3
M39*3
M39*3
M45*3
M45*3
|
101
120
141
161
177
|
| 900
1000
1100
1200
|
914.4
1016.0
1117.6
1219.2
|
919
1021
1123
1225
|
1085
1320
1420
1530
|
58
62
66
70
|
93
99
105
112
|
968
1070
1180
1282
|
986
1098
1200
1302
|
10
12
12
12
|
5
5
5
5
|
1030
1140
1240
1350
|
1090
1210
1310
1420
|
28
28
32
32
|
48
56
56
56
|
M45*3
M52*3
M52*3
M52*3
|
191
230
289
348
|
REMARKS:
1. Flange of
parenthesized nominal diameter had better not be used.
2.For dimensional tolerance, refer to JIS b2203.
3.In principle , material shall be SS41 specified in JIS G3101
, SF 40 ( or SF 45 ) specified in JIS G3201 ,or S20C (or
S25C )
specified in JIS G41051 , and shall be fit for welding.
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