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LAP JOINT, STUB-END
LAP JOINT KS/JIS
JIS B 2321 Unit : mm
Nominal
Pipe Size
Outside
Diameter
(OD)
Wall Thickness(T) G F R
(Max)
Weight(Kg)
A B Sch.10S Sch.20S Sch.40S 5K 10K Sch.10S Sch.20S Sch.40S
15
20
25
½
¾
1
21.7
27.2
34.0
2.1
2.1
2.8
2.5
2.5
3.0
2.8
2.9
3.4
44
49
59
51
56
67
30
30
50
3
3
3
0.06
0.70
0.17
0.07
0.09
0.18
0.08
0.10
0.21
32
40
50


2
42.7
48.6
60.5
2.8
2.8
2.8
3.0
3.0
3.5
3.6
3.7
3.9
70
75
85
76
81
96
50
50
50
4
4
4
0.22
0.24
0.31
0.23
0.26
0.38
0.28
0.32
0.42
65
80
100

3
4
76.3
89.1
114.3
3.0
3.0
3.0
3.5
4.0
4.0
5.2
5.5
6.0
110
121
141
116
126
151
50
50
50
5
5
5
0.43
0.48
0.61
0.50
0.64
0.82
0.73
0.87
1.20
125
150
200
5
6
8
139.8
165.2
216.3
3.4
3.4
4.0
5.0
5.0
6.5
6.6
7.1
8.2
176
206
252
182
212
262
50
50
65
6
6
6
0.88
1.08
1.94
1.28
1.57
3.12
1.68
2.21
3.93
250
300
350
10
12
14
267.4
318.5
355.6
4.0
4.5
4.8
6.5
6.5
7.9
9.3
10.3
11.1
317
360
403
324
368
413
65
65
150
6
9
9
2.53
3.25
7.65
4.08
4.67
12.60
5.80
7.34
17.70
400
450
500
16
18
20
406.4
457.2
508.0
4.8
4.8
5.5
7.9
7.9
7.9
12.7
14.3
15.1
463
523
573
475
530
585
150
150
150
9
9
9
9.05
10.30
13.30
14.90
17.00
22.90
24.00
30.70
36.40
550
600
22
24
558.8
609.6
5.5
6.4
9.5
9.5
15.9
17.5
630
680
640
690
150
150
9
9
14.80
18.70
25.50
27.70
40.60
50.80