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Pipe Fittings, End Beveling

We aware the beveling is very important processes in the whole production procession of butt-welding pipe fittings, we always make beveling according to the standard strictly.
Pipe elbows

In the behavior, we make beveling after shot blasting, bevel ends are fully machined by advanced equipment Double Beveling Machine ensure the height, length, thickness, O.D. and I.D. are all qualified.

Welding Bevel acc. to
Welding Bevel acc.to ASME / ANSI B16.9 and ASME / ANSI B16.28

Our in-hourse R&D team developed bevel ends equipment are good using in thickness 2mm to 20mm pipe fittings, guarantee high efficiency and high quality.

Send us your technical drawings: SunnySteel will supply you with whatever flanges you are looking for.

End bevel

Nominal wall Thickness : t
End Preparation
t<5mm (for austenitic alloy steel
t<4mm)
Cut square or slightly chamfer
at manufacturer ' s option
5<t<22mm
(4<t<22mm)
Plain Bevel as in sketch ( a ) above
t>22mm Compound Bevel as in sketch ( b ) above
Nominal pipe
DN size
Outside Diameter at Bevel Center to End

D1

D2

C

M

Series A Series B Series A Series B
20×15 26.9 25 21.3 18 29 29
25×20
25×15
33.7
33.7
32
32
26.9
21.3
25
18
38
38
38
38
32×25
32×20
32×15
42.4
42.4
42.4
38
38
38
33.7
26.9
21.3
32
25
18
48
48
48
48
48
48
40×32
40×25
40×20
40×15
48.3
48.3
48.3
48.3
45
45
45
45
42.4
33.7
26.7
21.3
38
32
25
18
57
57
57
57
57
57
57
57
50×40
50×32
50×25
50×20
60.3
60.3
60.3
60.3
57
57
57
57
48.3
42.4
33.7
26.9
45
38
32
25
64
64
64
64
60
57
51
44
65×50
65×40
65×32
65×25
76.1(73)
76.1(73)
76.1(73)
76.1(73)
76
76
76
76
60.3
48.3
42.4
33.7
57
45
38
32
76
76
76
76
70
67
64
57
80×65
80×50
80×40
80×32
88.9
88.9
88.9
88.9
89
89
89
89
76.1(73)
60.3
48.3
42.4
76
57
45
38
86
86
86
86
83
76
73
70
90×80
90×65
90×50
90×40
101.6
101.6
101.6
101.6
-
-
-
-
88.9
76.1(73)
60.3
48.3
-
-
-
-
95
95
95
95
92
89
83
79
100×90
100×80
100×65
100×50
100×40
114.3
114.3
114.3
114.3
114.3
-
108
108
108
108
101.6
88.9
76.1(73)
60.3
48.3
-
89
76
57
45
105
105
105
105
105
102
98
95
89
86
125×100
125×90
125×80
125×65
125×50
139.7
139.7
139.7
139.7
133
-
133
133
133
114.3
101.6
88.9
76.1(73)
60.3
108
-
89
76
57
124
124
124
124
124
117
114
111
108
105
150×125
150×100
150×90
150×80
150×65
168.3
168.3
168.3
168.3
168.3
159
159
-
159
159
139.7
114.3
101.6
88.9
76.1(73)
133
108
-
89
76
143
143
143
143
143
137
130
127
124
121
200×150
200×125
200×100
200×90
219.1
219.1
219.1
219.1
219
219
219
-
168.3
139.7
114.3
101.6
159
133
108
-
178
178
178
178
168
162
156
152
200×200
200×150
200×125
200×100
273.0
273.0
273.0
273.0
273
273
273
273
219.1
168.3
139.7
114.3
219
159
133
108
216
216
216
216
208
194
191
184
300×250
300×200
300×150
323.9
323.9
323.9
325
325
325
273.0
219.1
168.3
273
219
159
254
254
254
241
229
219
300×125 323.9 325 139.7 133 254 216
350×300
350×250
350×200
350×150
355.6
355.6
355.6
355.6
377
377
377
377
323.9
273.0
219.1
168.3
325
273
219
159
279
279
279
279
270
257
248
238
400×350
400×300
400×250
400×200
400×150
406.4
406.4
406.4
406.4
406.4
426
426
426
426
426
355.6
323.9
273.0
219.1
168.3
377
325
273
219
159
305
305
305
305
305
305
295
283
273
264
450×400
450×350
450×300
450×250
450×200
457.2
457.2
457.2
457.2
457.2
478
478
478
478
478
406.4
355.6
323.9
273.0
219.1
426
377
325
273
219
343
343
343
343
343
330
330
321
308
298
500×450
500×100
500×350
500×300
500×250
500×200
508.0
508.0
508.0
508.0
508.0
508.0
529
529
529
529
529
529
457.2
406.4
355.6
323.9
273.0
219.1
478
426
377
325
273
219
381
381
381
381
381
381
368
356
356
346
333
324
550×500
550×450
550×400
559
559
559
-
-
-
508
457
406
-
-
-
419
419
419
406
394
381
600×550
600×550
600×450
610
610
610
-
630
630
559
508
457
-
530
480
432
432
432
432
432
419
650×600
650×550
650×500
660
660
660
-
-
-
610
559
508
-
-
-
495
495
495
483
470
457
700×650
700×600
700×550
711
711
711
-
720
-
660
610
559
-
630
-
521
521
521
521
508
495
750×700
750×650
750×600
762
762
762
-
-
-
711
660
610
-
-
-
559
559
559
546
546
533
800×750
800×700
800×650
813
813
813
-
820
-
762
711
660
-
720
-
597
597
597
584
572
572
850×800
850×750
850×700
864
864
864
-
-
-
813
762
711
-
-
-
635
635
635
622
610
597
900×850
900×800
900×750
914
914
914
-
920
-
864
813
762
-
820
-
673
673
673
660
648
635
950×900
950×850
950×800
965
965
965
-
-
-
914
864
813
-
-
-
711
711
711
711
698
686
1000×950
1000×900
1000×8500
1016
1016
1016
-
1020
-
965
914
864
-
920
-
749
749
749
749
737
724
1000×1000
1050×950
1050×900
1067
1067
1067
-
-
-
1016
965
914
-
-
-
762
762
762
711
711
711
1100×1050
1100×1000
1100×950
1118
1118
1118
-
1120
-
1067
1016
965
-
1020
-
813
813
813
762
749
737
1150×1100
1150×1050
1150×1000
1168
1168
1168
-
-
-
1118
1067
1016
-
-
-
851
851
851
800
787
775
1200×1150
1200×1100
1200×1050
1220
1220
1220
-
1220
-
1168
1118
1067
-
1120
-
889
889
889
838
838
813
Nominal pipe size Outside Diameter at Bevel Center to End
D C M
DN INCH Series A Series B
15 1/2 21.3 18 25
20 3/4 26.9 25 29
25 1 33.7 32 38
32 11/4 42.4 38 48
40 11/2 48.3 45 57
50 2 60.3 57 64
65 21/2 76.1(73) 76 76
80 3 88.9 89 86
90 31/2 101.6 95
100 4 114.3 108 105
125 5 139.7 133 124
150 6 168.3 159 143
200 8 219.1 219 178
250 10 273.0 273 216
300 12 323.9 325 254
350 14 355.6 377 279
400 16 406.4 426 305
450 18 457.2 478 343
500 20 508.0 529 381
550 22 559 419
600 24 610 630 432
650 26 660 495
700 28 711 720 521
750 30 762 559
800 32 813 820 597
850 34 864 635
900 36 914 920 673
950 38 965 711
1000 40 1016 1020 749
1050 42 1067 762 711
1100 44 1118 1120 813 762
1150 46 1168 851 800
1200 48 1220 1220 889 838

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Sum Xu