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Weld Neck Flanges A / B Manufacturer, Supplier & Stockists

Highly acclaimed Manufacturer & Supplier of Weld Neck Flanges A / B , Carbon Steel Weld Neck Flanges A / B, Stainless Steel Weld Neck Flanges A / B, Alloy Steel Weld Neck Flanges A / B in India & Asia

Weld Neck Flanges A / B

We are a government approved largest Manufacturer, Supplier and Exporter of high Quality Weld Neck Flanges Series A/B. Weld Neck Flanges Series A/B are highly durable, corrosion resistant and reliable. our range of Weld Neck Flanges Series A/B can also manufactured as per the client’s requirement.

Product type Weld Neck Flanges Series A/B
Size ½” (15 NB) to 48″ (1200NB)
Carbon Steel Weld Neck Flanges Series A/B ASTM / ASME A 105, ASTM / ASME A 350 LF 2
Stainless Steel Weld Neck Flanges Series A/B ASTM / ASME SA 182 F 304, 304L, 304H, 309H, 310H, 316, 316H, 316L, 316 LN, 317, 317L, 321, 321H, 347, 347 H.
Alloy Steel Weld Neck Flanges Series A/B ASTM / ASME A 182 GR F 5, F 9, F 11, F 12, F 22, F 91
Duplex Steel Weld Neck Flanges Series A/B ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61.
Copper Alloy Weld Neck Flanges Series A/B ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600. ASTM / ASME SB 151 UNS NO. 70600, 71500, C 70600 ( CU -NI- 90/10), C 71500 ( CU -NI- 70/30), ASTM / ASME SB 152 UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200.
Nickel Alloy Weld Neck Flanges Series A/B ASTM / ASME SB 564 UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), ASTM / ASME SB 160 UNS 2201 (NICKEL 201 ), ASTM / ASME SB 472 UNS 8020 (ALLOY 20 / 20 CB 3)
Weld Neck Flanges A / B Dimensional Chart
Welding neck flange bores according ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings
Welding Neck Flange Bores
Nominal Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter (inches)
Light Wall 1)
Schedule 20
Schedule 30
Standard Wall
Schedule 40
Schedule 60
1/2
0.840
0.674
-
-
0.622
0.622
-
3/4
1.050
0.884
-
-
0.824
0.824
-
1
1.315
1.097
-
-
1.049
1.049
-
1 1/4
1.660
1.442
-
-
1.380
1.380
-
1 1/2
1.900
1.682
-
-
1.610
1.610
-
2
2.375
2.157
-
-
2.067
2.067
-
2 1/2
2.875
2.635
-
-
2.469
2.469
-
3
3.500
3.260
-
-
3.068
3.068
-
3 1/2
4.000
3.760
-
-
3.548
3.548
-
4
4.500
4.260
-
-
4.026
4.026
-
5
5.563
5.295
-
-
5.047
5.047
-
6
6.625
6.357
-
-
6.065
6.065
-
8
8.625
8.329
8.125
8.071
7.981
7.981
7.813
10
10.750
10.420
10.250
10.136
10.020
10.020
9.750
12
12.750
12.390
12.250
12.090
12.000
11.938
11.626
14
14.000
13.500
13.376
13.250
13.250
13.124
12.812
16
16.000
15.500
15.376
15.250
15.250
15.000
14.688
18
18.000
17.500
17.376
17.124
17.250
16.876
16.500
20
20.000
19.500
19.250
19.000
19.250
18.812
18.376
24
24.000
23.500
23.250
22.876
23.250
22.624
22.062
30
30.000
29.376
29.000
28.750
29.250
-
-
36
36.000
35.376
35.000
34.750
35.250
34.500
-
42
42.000
-
-
-
41.250
-
-
48
48.000
-
-
-
47.250
-
-
Welding Neck Flange Bores
Nominal Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter (inches)
Extra Strong
Schedule 80
Schedule 100
Schedule 120
Schedule 140
Schedule 160
Double Extra Strong
1/2
0.840
0.546
0.546
-
-
-
0.464
0.252
3/4
1.050
0.742
0.742
-
-
-
0.612
0.434
1
1.315
0.957
0.957
-
-
-
0.815
0.599
1 1/4
1.660
1.278
1.278
-
-
-
1.160
0.896
1 1/2
1.900
1.500
1.500
-
-
-
1.338
1.100
2
2.375
1.939
1.939
-
-
-
1.687
1.503
2 1/2
2.875
2.323
2.323
-
-
-
2.125
1.771
3
3.500
2.900
2.900
-
-
-
2.624
2.300
3 1/2
4.000
3.364
3.364
-
-
-
-
2.728
4
4.500
3.826
3.826
-
3.624
-
3.438
3.152
5
5.563
4.813
4.813
-
4.563
-
4.313
4.063
6
6.625
5.761
5.761
-
5.501
-
5.187
4.897
8
8.625
7.625
7.625
7.437
7.187
7.001
6.813
6.875
10
10.750
9.750
9.562
9.312
9.062
8.750
8.500
8.750
12
12.750
11.750
11.374
11.062
10.750
10.500
10.126
10.750
14
14.000
13.000
12.500
12.124
11.814
11.500
11.188
-
16
16.000
15.000
14.312
13.938
13.564
13.124
12.812
-
18
18.000
17.000
16.124
15.688
15.250
14.876
14.438
-
20
20.000
19.000
17.938
17.438
17.000
16.500
16.062
-
24
24.000
23.000
21.562
20.938
20.376
19.876
19.312
-
30
30.000
29.000
-
-
-
-
-
-
36
36.000
35.000
-
-
-
-
-
-
42
42.000
41.000
-
-
-
-
-
-
48
48.000
47.000
-
-
-
-
-
-
1) Stainless steel Schedule 10S diameters are equal to Light Wall in sizes up to 12″ and to Schedule 10 above.
Leading manufacturer of Weld Neck Flanges A / B

We also having stock of Weld Neck Flanges A / B & other Stainless Steel Flanges, Carbon Steel Flanges, Alloy Steel Flanges manufactured by :

Erne Fittings, Austria Metal far, Italy Lame S.R.l., Italy
BENKAN Corporation, Japan BKL- Thai Benkan, Thailand TecnoForge, Italy
Ulma, Spain Mega, Italy Melesi, Italy
Interfit, France Raccortubi S.P.A., Italy

we are the distributor of the of these Brands. we also have the sales representative who can provide the proper information of these Brands & about Grades, material and sizes of Weld Neck Flanges A / B.

Our Live Stock of Weld Neck Flanges A / B
Weld Neck Flanges A / B Application
  • Weld Neck Flanges A / B uses in Oil and Gas Pipeline
  • Weld Neck Flanges A / B uses in Chemical Industry
  • Weld Neck Flanges A / B uses in Plumbing
  • Weld Neck Flanges A / B uses in Oil & Gas Industry
  • Weld Neck Flanges A / B uses in Water Supply Systems
  • Weld Neck Flanges A / B uses in Paper & Pulp Industry
  • Weld Neck Flanges A / B uses in Power Plant
  • Weld Neck Flanges A / B uses in Fabrication Industry
  • Weld Neck Flanges A / B uses in General purpose applications
  • Weld Neck Flanges A / B uses in Food Processing Industry
  • Weld Neck Flanges A / B uses in Structural Pipe
  • Weld Neck Flanges A / B uses in Heat Exchangers
We Have Our Sales & Support Representative in following Location
Saudi Arabia USA Costa Rica
Brazil Canada Italy
Singapore Bahrain Malaysia
Russia Venezuela Oman
Sri Lanka Poland Spain
Qatar Turkey Thailand
U.A.E Angola Chile
Egypt Indonesia Portugal