Carbon Steel Elbow Stainless Steel Elbow High-Pressure Elbow

 ◆ Carbon steel
 ◆Austenitic stainless steel（1Cr18Ni9Ti、0Cr18Ni9、00Cr19Ni10、0Cr17Ni12Mo2Ti、00Cr17Ni14Mo2、304 304L、316、316L）；
 ◆ Alloy steel（16MnR、Cr5Mo、12Cr1MoV、10CrMo910、15CrMo、12Cr2Mo1、A335P22、St45.8/Ⅲ、 A10bB）。
Welding Elbow Parameters（GB 12459、GB/T 13401）
Nominal Pipe Size DN
DN
End OD
Center to end
Center to center
Back to end
45° Elbow
90° elbow
180°elbow
H
F
P
K
Series A
Series B
long radius
long radius
short radius
long radius
short radius
long radius
short radius
15
21.3
18
16
38
―
76
―
48
―
20
26.9
25
16
38
―
76
―
51
―
25
33.7
32
16
38
25
76
51
56
41
32
42.4
38
20
48
32
95
64
70
52
40
48.3
45
24
57
38
114
76
83
62
50
60.3
57
32
76
51
152
102
106
81
65
76.1(73)
76
40
95
64
191
127
132
100
80
88.9
89
47
114
76
229
152
159
121
90
101.6
―
55
133
89
267
178
184
140
100
114.3
108
63
152
102
305
203
210
159
125
139.7
133
79
190
127
381
254
262
197
150
168.3
159
95
229
152
457
305
313
237
200
219.1
219
126
305
203
610
406
414
313
250
273.0
273
158
381
254
762
508
518
391
300
323.9
325
189
457
305
914
610
619
467
350
355.6
377
221
533
356
1067
711
711
533
400
406.4
426
253
610
406
1219
813
813
610
450
457.2
478
284
686
457
1372
914
914
686
500
508.0
529
316
762
508
1524
1016
1016
762
550
559
―
347
838
559

Notes:
1. Avoid the value in the bracket whenever possible.
2. Series A is preferred.
3. Wall thickness T refers to the “Wall Thickness Table”.

600
610
630
379
914
610
650
660
―
410
991
660
700
711
720
442
1067
711
750
762
―
473
1143
762
800
813
820
505
1219
813
850
864
―
537
1295
864
900
914
920
568
1372
914
950
965
―
600
1448
965
1000
1016
1020
631
1524
1016
1050
1067
―
663
1600
1067
1100
1118
1120
694
1676
1118
1150
1168
―
726
1753
1168
1200
1220
1220
758
1829
1219
 


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