3S PIPELINE INDUSTRY

    Contact Us

    • China:3S PIPELINE INDUSTRY
    • Address:3-1912 TongJing Business Center, #555 JieFang East Road, SuZhou,China
    • P. C:215007
    • Tel:0086-512-65683891
    • Fax:0086-512-65683890
    • E-mail: 3s008@pipe2002.com 
    • Contact:Mr. Shao
    •  
    • US Branch:MILNER INTERNATIONAL INC
    • Add:1755 north brown Rd suite200 Lawrenceville GA 30043
    • Tel:001-678 482 8999
    • Fax:001-678 482 8855
    • Email:MilnerInt@aol.com
    • Contact:Ms yongmei Li
    •  
    • Japanese Branch: HOUSEI  SHOUKAI
    • Add:3-51-22 Yotsuya, Fuchu-city, Tokyo, Japan
    • Tel:0081-42-3067076
    • Mobile:090-2446-2206
    • Fax:0081-42-3692324
    • Email:yutaka8@true.ocn.ne.jp
    • Contact:Mr. Nakayama Yutaka

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Size for Butt-Welding Elbows and Returns

GB 12459、GB/T 13401、SH 3408、SH3409、HG/T 21635、HG/T 21631、SY/T 0510、ASME B16.9、ASME B16.28

Nominal Pipe Size Center to End Center to Center Back to Faces
45°Elbow 90°Elbow 180°Return
H F P K
DN NPS LR LR SR LR SR LR SR
15
20
25
1/2
3/4
1
16
19
22
38
38
38
--
--
25
76
76
76
--
--
51
48
51
56
--
--
41
32
40
50
11/4
11/2
2
25
29
35
48
57
76
32
38
51
95
114
152
64
76
102
70
83
106
52
62
81
65
80
90
21/2
3
31/2
44
51
57
95
114
133
64
76
89
190
229
267
127
152
178
132
159
184
100
121
140
100
125
150
4
5
6
64
79
95
152
190
229
102
127
152
305
381
457
203
254
305
210
262
313
159
197
237
200
250
300
8
10
12
127
159
190
305
381
457
203
254
305
610
762
914
406
508
610
414
518
619
313
391
497
350
400
450
14
16
18
222
254
286
533
610
686
356
406
457
1067
1219
1372
711
813
914
711
813
914
533
610
686
500
550
600
20
22
24
318
343
381
762
838
914
508
559
610
1524
1676
1829
1016
1118
1219
1016
1118
1219
762
838
914
650
700
750
26
28
30
405
438
470
991
1067
1143
660
711
762