Products

Forged Flanges


ANSI B16.5 Forged Flanges Manufacturers in Stavanger Stal, Manufacturer &aamp; Suppliers of Forged Flanges, forged flange manufacturers, SS Forged Flanges, Carbon Steel Forged Flanges manufacturer in Norway, Stainless Steel Forged Flanges manufacturer in Norway, Alloy Steel Forged Flanges manufacturer in Norway, Inconel Forged Flanges, Monel Forged Flanges, Hastelloy Forged Flanges in Stavanger Stal & Asia, ANSI B16.5 Forged Flanges exporter in Norway , ANSI/ASME B16.5, B16.47, B16.47, B16.36, B16.48 Forged Flanges,Carbon Steel forged Flanges, Stainless Steel forged Flanges, Alloy

We are largest manufacturers of Forged Flanges , 304 Forged Flanges, 316 Forged Flanges, astm a105 Forged Flanges, astm a182 Forged Flanges as per asme / ansi B16.5 forged flanges, ansi B16.47 forged flanges, Din forged flanges, jis forged flanges & uni forged flanges Standards, Fabricated Forged Flanges, awwa c207 class b forged flange, bs pn16 flange

Best offer on high quality Forged Flanges in all size, classes & dimensions like Class 150 Forged Flanges, Class 300 Forged Flanges,Class 400 Forged Flanges, Class 600 Forged Flanges, Class 900 Forged Flanges, Class 1500 Forged Flanges & Class 2500 Forged Flanges


Forged Flanges Specification


Type Forged Flanges, ASME 16.5 Forged Flanges
Size 15 NB to 750 NB, 1/2-78 inch (DN15-DN2000)
Material Stainless Steel Forged Flanges: ASTM A182 F202, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 316LN, 310S, 317L, 321, 410, 420, 440C, 202. F904L
Carbon Steel Forged Flanges: A-350 LF2 LF3, A105
Duplex Steel Forged Flanges: ASTM / ASME SA 182 F 44 , F 45 , F51 , F 53 , F 55 , F 60 , F 61.
Alloy Steel Forged Flanges: ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Forged Flanges: Duplex, Super Duplex, Nickel Alloys
Nickel Alloy Forged Flanges: Cupro Nickel (90/10, 70/30, 66/30/2/2), Hastelloy (C-4, C-22, C276, B-2), Nickel (200 / 201 / 205), Monel 400 & K500), Inconel (600, 601, 625 & 825), Incolloy (800, 800H), Alloy 20, Duplex Steel, SS 904L, Titanium (1 & 2) Etc.
Standard ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 ,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-12820
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
Pressure Class Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Specialize As per drawing


SIZE RANGE: FLANGES ½” to 36” (10mm to 900mm)
Standards Types
ASME/ANSI B16.5 Welding Neck Flange, Slipon Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange
Pressure Class 150, 300, 400, 600, 900, 1500, 2500
.
ASME/ANSI B16.47 Welding Neck Flange, Blind Flange (series A & B)
Pressure Class 75, 150, 300, 400, 600, 900
.
ASME/ANSI B16.36 (Orifice Flanges) Welding Neck Flange, Slipon Flange, Threaded Flange
Pressure Class 300, 400, 600, 900, 1500, 2500
.
JIS B2220/B2291 Welding Neck Flange, Slipon Hub Flange, Slipon Plate Flange, Shut off Flange, Square Flange
Pressure Class 5k, 10k, 16k, 20k, 30k
.
BS 4504 SEC3.1 Welding Neck Flange (111/134), Hubbed Slipon Flange (112), HubbedThreaded Flange (113), Lapped Pipe End Flange(133), Plate Flange (101),Loose Plate Flange (102), Loose Plate with Weld Neck Flange (104), Blank Flange (105)
Pressure Class PN 2.5 To PN 40
SIZE RANGE: FLANGES ½” to 36” (10mm to 900mm)
BS 4504(PART.1) Welding Neck Flange, Hubbed Slip-on Hubbed Threaded, Plate Flange, Loose Plate with Weld on Plate Collar, Blank Flange.
Pressure Class PN2.5 To PN 400
.
BS1560 Welding Neck Flange, Socket Welding Flange, Slip-on Boss Flange, Blind Flange, Screwed Boss Flange, Lapped Flange
Pressure Class 150, 300, 400, 600, 900, 1500, 2500
.
BS 10 Welding Neck Flange, Plate Slip-on Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange
Table D,E,F,H
.
DIN FLANGES DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656,DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638, DIN 2673
Pressure Class PN6 TO PN 320
.
Pr EN 1092-1 FLANGES Plate Flange (01), Loose Plate Flange (02,04), Blind Flange (05)Welding Neck Flange (11) Hubbed Slip On Flange (12), Screwed Flange (13), Integral Flange(21)
Pressure Class PN2.5 To PN100
.
ASME/ANSI B16.9/
MSS SP-4 Stub End
Type A, B , C
PRODUCTION CAPACITY : Forged 5000 MT/p.a. Machined 2000 MT/p.a.


ASME/ ANSI B16.5 Forged Flanges Manufacturing Materials :


Dimensions
Base Material
Pressure Rating
ASME B16.5
ASTM A182 (Forgings) ASTM A240 (Plate)
150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
API 605
ASTM A182 (Forgings) ASTM A240 (Plate)
150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
ASME B16.47series A & B
ASTM A182 (Forgings) ASTM A240 (Plate)
150#. 300#. 400#. 600#. 900#. 1500#. 2500#.
EN1092-1
ASTM A182 (Forgings)
PN2.5. PN6. PN10. PN16. PN25. PN40. PN63. PN100. PN160. PN250. PN320. PN400.
BS4504
BS970 (Bar)ASTM A240 (Plate) ASTM A182 (Forgings)
PN2.5. PN6. PN10. PN16. PN25. PN40. PN63. PN100. PN160.
BS10
BS970 (Bar)ASTM A240 (Plate) ASTM A182 (Forgings)

Dimension of Forged Flanges



ANSI B16.5 Forged 1/2″ – 24″ Flange Classes
Ansi B16.5 Class 150 Forged Flanges


Nom. Pipe Size
O
T
TJ
R
X
#/Dia of Holesa
Bolt Circle Dia
B
B2b
B3
H
L
L2
L3c
r
D
Thr
½
3.50
0.38
0.44
1.38
1.19
4-0.62
2.38
0.88
0.62
0.90
0.84
0.56
1.81
0.62
0.12
0.38
0.62
¾
3.88
0.44
0.50
1.69
1.50
4-0.62
2.75
1.09
0.82
1.11
1.05
0.56
2.00
0.62
0.12
0.44
0.62
1
4.25
0.50
0.56
2.00
1.94
4-0.62
3.12
1.36
1.05
1.38
1.32
0.62
2.12
0.69
0.12
0.50
0.69
1¼
4.62
0.56
0.62
2.50
2.31
4-0.62
3.50
1.70
1.38
1.72
1.66
0.75
2.19
0.81
0.19
0.56
0.81
1½
5.00
0.62
0.69
2.88
2.56
4-0.62
3.88
1.95
1.61
1.97
1.90
0.81
2.38
0.88
0.25
0.62
0.88
2
6.00
0.69
0.75
3.62
3.06
4-0.75
4.75
2.44
2.07
2.46
2.38
0.94
2.44
1.00
0.31
0.69
1.00
2½
7.00
0.81
0.88
4.12
3.56
4-0.75
5.50
2.94
2.47
2.97
2.88
1.06
2.69
1.12
0.31
0.75
1.12
3
7.50
0.88
0.94
5.00
4.25
4-0.75
6.00
3.57
3.07
3.60
3.50
1.12
2.69
1.19
0.38
0.81
1.19
3½
8.50
0.88
0.94
5.50
4.81
8-0.75
7.00
4.07
3.55
4.10
4.00
1.19
2.75
1.25
0.38
0.88
1.25
4
9.00
0.88
0.94
6.19
5.31
8-0.75
7.50
4.57
4.03
4.60
4.50
1.25
2.94
1.31
0.44
0.94
1.31
5
10.00
0.88
0.94
7.31
6.44
8-0.88
8.50
5.66
5.05
5.69
5.56
1.38
3.44
1.44
0.44
0.94
1.44
6
11.00
0.94
1.00
8.50
7.56
8-0.88
9.50
6.72
6.07
6.75
6.63
1.50
3.44
1.56
0.50
1.06
1.56
8
13.50
1.06
1.12
10.62
9.69
8-0.88
11.75
8.72
7.98
8.75
8.63
1.69
3.94
1.75
0.50
1.25
1.75
10
16.00
1.12
1.19
12.75
12.00
12-1.00
14.25
10.88
10.02
10.92
10.75
1.88
3.94
1.94
0.50
1.31
1.94
12
19.00
1.19
1.25
15.00
14.38
12-1.00
17.00
12.88
12.00
12.92
12.75
2.12
4.44
2.19
0.50
1.56
2.19
14
21.00
1.31
1.38
16.25
15.75
12-1.12
18.75
14.14
13.25
14.18
14.00
2.19
4.94
3.12
0.50
1.63
2.25
16
23.50
1.38
1.44
18.50
18.00
16-1.12
21.25
16.16
15.25
16.19
16.00
2.44
4.94
3.44
0.50
1.75
2.50
18
25.00
1.50
1.56
21.00
19.88
16-1.25
22.75
18.18
17.25
18.20
18.00
2.62
5.44
3.81
0.50
1.94
2.69
20
27.50
1.62
1.69
23.00
22.00
20-1.25
25.00
20.20
19.25
20.25
20.00
2.81
5.62
4.06
0.50
2.13
2.88
22
29.50
1.75
1.81
25.25
24.25
20-1.38
27.25
22.22
21.25
22.25
22.00
3.07
5.82
4.25
0.50
2.38
3.13
24
32.00
1.81
1.88
27.25
26.12
20-1.38
29.50
24.25
23.25
24.25
24.00
3.19
5.94
4.38
0.50
2.50
3.25
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.


Ansi B16.5 Class 300 Forged Flanges


Nom. Pipe Size
O
T
TJ
R
X
#/Dia of Holesa
Bolt Circle Dia
B
B2b
B3
H
L
L2
L3c
r
C
D
Thr
½
3.75
0.50
0.56
1.38
1.50
4-0.63
2.62
0.88
0.62
0.90
0.84
0.81
2.00
0.88
0.12
0.93
0.38
0.62
¾
4.62
0.56
0.62
1.69
1.88
4-0.75
3.25
1.09
0.82
1.11
1.05
0.94
2.19
1.00
0.12
1.14
0.44
0.62
1
4.88
0.62
0.69
2.00
2.12
4-0.75
3.50
1.36
1.05
1.38
1.32
1.00
2.38
1.06
0.12
1.41
0.50
0.69
1¼
5.25
0.69
0.75
2.50
2.50
4-0.75
3.88
1.70
1.38
1.72
1.66
1.00
2.50
1.06
0.19
1.75
0.56
0.81
1½
6.12
0.75
0.81
2.88
2.75
4-0.88
4.50
1.95
1.61
1.97
1.90
1.13
2.63
1.19
0.25
1.98
0.62
0.88
2
6.50
0.81
0.88
3.62
3.31
8-0.75
5.00
2.44
2.07
2.46
2.38
1.25
2.69
1.31
0.31
2.50
0.69
1.12
2½
7.50
0.94
1.00
4.12
3.94
8-0.88
5.88
2.94
2.47
2.97
2.88
1.44
2.94
1.50
0.31
3.00
0.75
1.25
3
8.25
1.06
1.12
5.00
4.62
8-0.88
6.62
3.57
3.07
3.60
3.50
1.63
3.06
1.69
0.38
3.63
0.81
1.25
3½
9.00
1.12
1.19
5.50
5.25
8-0.88
7.25
4.07
3.55
4.10
4.00
1.69
3.13
1.75
0.38
4.13
….
1.44
4
10.00
1.19
1.25
6.19
5.75
8-0.88
7.88
4.57
4.03
4.60
4.50
1.82
3.32
1.88
0.44
4.63
….
1.44
5
11.00
1.31
1.38
7.31
7.00
8-0.88
9.25
5.66
5.05
5.69
5.56
1.94
3.82
2.00
0.44
5.69
….
1.69
6
12.50
1.38
1.44
8.50
8.12
12-0.88
10.62
6.72
6.07
6.75
6.63
2.00
3.82
2.06
0.50
6.75
….
1.81
8
15.00
1.56
1.62
10.62
10.25
12-1.00
13.00
8.72
7.98
8.75
8.63
2.38
4.32
2.44
0.50
8.75
….
2.00
10
17.50
1.81
1.88
12.75
12.62
16-1.12
15.25
10.88
10.02
10.92
10.75
2.56
4.56
3.75
0.50
10.88
….
2.19
12
20.50
1.94
2.00
15.00
14.75
16-1.25
17.75
12.88
12.00
12.92
12.75
2.82
5.06
4.00
0.50
12.94
….
2.38
14
23.00
2.06
2.12
16.25
16.75
20-1.25
20.25
14.14
13.25
14.18
14.00
2.94
5.56
4.38
0.50
14.19
….
2.50
16
25.50
2.19
2.25
18.50
19.00
20-1.38
22.50
16.16
15.25
16.19
16.00
3.19
5.69
4.75
0.50
16.19
….
2.69
18
28.00
2.31
2.38
21.00
21.00
24-1.38
24.75
18.18
17.25
18.20
18.00
3.44
6.19
5.12
0.50
18.19
….
2.75
20
30.50
2.44
2.50
23.00
23.12
24-1.38
27.00
20.20
19.25
20.25
20.00
3.69
6.32
5.50
0.50
20.19
….
2.88
22
33.00
2.57
2.63
25.25
25.25
24-1.63
29.25
22.22
21.25
22.25
22.00
3.93
6.43
5.75
0.50
22.19
….
3.13
24
36.00
2.69
2.75
27.25
27.62
24-1.63
32.00
24.25
23.25
24.25
24.00
4.13
6.56
6.00
0.50
24.19
….
3.25
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.


Ansi B16.5 Class 400 Forged Flanges


Nom. Pipe Size
O
T
R
X
#/Dia of Holesa
Bolt Circle Dia
B
B2b
B3
H
L
L2
L3c
r
C
D
Thr
½
3.75
0.56
1.38
1.5
4-0.63
2.62
0.88

0.9
0.84
0.88
2.06
0.88
0.12
0.93
0.38
0.62
¾
4.62
0.62
1.69
1.88
4-0.75
3.25
1.09
1.11
1.05
1
2.25
1
0.12
1.14
0.44
0.62
1
4.88
0.69
2
2.12
4-.075
3.5
1.36
1.38
1.32
1.06
2.44
1.06
0.12
1.41
0.5
0.69
1¼
5.25
0.81
2.5
2.5
4-0.75
3.88
1.7
1.72
1.66
1.12
2.62
1.12
0.19
1.75
0.56
0.81
1½
6.12
0.88
2.88
2.75
4-0.88
4.5
1.95
1.97
1.9
1.25
2.75
1.25
0.25
1.99
0.62
0.88
2
6.5
1
3.62
3.31
8-0.75
5
2.44
2.46
2.38
1.44
2.88
1.44
0.31
2.5
0.69
1.12
2½
7.5
1.12
4.12
3.94
8-0.88
5.88
2.94
2.97
2.88
1.62
3.12
1.62
0.31
3
0.75
1.25
3
8.25
1.25
5
4.62
8-0.88
6.62
3.57
3.6
3.5
1.81
3.25
1.81
0.38
3.63
0.81
1.38
3½
9
1.38
5.5
5.25
8-1.00
7.25
4.07
4.1
4
1.94
3.38
1.94
0.38
4.13
….
1.56
4
10
1.38
6.19
5.75
8-1.00
7.88
4.57
4.6
4.5
2
3.5
2
0.44
4.63
….
1.44
5
11
1.5
7.31
7
8-1.00
9.25
5.66
5.69
5.56
2.12
4
2.12
0.44
5.69
….
1.69
6
12.5
1.62
8.5
8.12
12-1.00
10.62
6.72
6.75
6.63
2.25
4.06
2.25
0.5
6.75
….
1.81
8
15
1.88
10.62
10.25
12-1.12
13
8.72
8.75
8.63
2.69
4.62
2.69
0.5
8.75
….
2
10
17.5
2.12
12.75
12.62
16-1.25
15.25
10.88
10.92
10.75
2.88
4.88
4
0.5
10.88
….
2.19
12
20.5
2.25
15
14.75
16-1.38
17.75
12.88
12.92
12.75
3.12
5.38
4.25
0.5
12.94
….
2.38
14
23
2.38
16.25
16.75
20-1.38
20.25
14.14
14.18
14
3.31
5.88
4.62
0.5
14.19
….
2.5
16
25.5
2.5
18.5
19
20-1.50
22.5
16.16
16.19
16
3.69
6
5
0.5
16.19
….
2.69
18
28
2.62
21
21
24-1.50
24.75
18.18
18.2
18
3.88
6.5
5.38
0.5
18.19
….
2.75
20
30.5
2.75
23
23.12
24-1.62
27
20.2
20.25
20
4
6.62
5.75
0.5
20.19
….
2.88
22
33
2.88
25.25
25.25
24-1.75
29.25
22.22
22.25
22
4.25
6.75
6
0.5
….
….
–
24
36
3
27.25
27.62
24-1.88
32
24.25
24.25
24
4.5
6.88
6.25
0.5
24.19
….
3.25
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.


Ansi B16.5 Class 600 Forged Flanges


Nom. Pipe Size
O
T
R
X
#/Dia of Holesa
Bolt Circle Dia
B
B2b
B3
H
L
L2
L3c
r
C
D
Thr
½
3.75
0.56
1.38
1.5
4-0.63
2.62
0.88
0.9
0.84
0.88
2.06
0.88
0.12
0.93
0.38
0.62
¾
4.62
0.62
1.69
1.88
4-0.75
3.25
1.09
1.11
1.05
1
2.25
1
0.12
1.14
0.44
0.62
1
4.88
0.69
2
2.12
4-0.75
3.5
1.36
1.38
1.32
1.06
2.44
1.06
0.12
1.41
0.5
0.69
1¼
5.25
0.81
2.5
2.5
4-0.75
3.88
1.7
1.72
1.66
1.12
2.62
1.12
0.19
1.75
0.56
0.81
1½
6.12
0.88
2.88
2.75
4-0.88
4.5
1.95
1.97
1.9
1.25
2.75
1.25
0.25
1.99
0.62
0.88
2
6.5
1
3.62
3.31
8-0.75
5
2.44
2.46
2.38
1.44
2.88
1.44
0.31
2.5
0.69
1.12
2½
7.5
1.12
4.12
3.94
8-0.88
5.88
2.94
2.97
2.88
1.62
3.12
1.62
0.31
3
0.75
1.25
3
8.25
1.25
5
4.62
8-0.88
6.62
3.57
3.6
3.5
1.81
3.25
1.81
0.38
3.63
0.81
1.38
3½
9
1.38
5.5
5.25
8-1.00
7.25
4.07
4.1
4
1.94
3.38
1.94
0.38
4.13
….
1.56
4
10.75
1.5
6.19
6
8-1.00
8.5
4.57
4.6
4.5
2.12
4
2.12
0.44
4.63
….
1.62
5
13
1.75
7.31
7.44
8-1.12
10.5
5.66
5.69
5.56
2.38
4.5
2.38
0.44
5.69
….
1.88
6
14
1.88
8.5
8.75
12-1.12
11.5
6.72
6.75
6.63
2.62
4.62
2.62
0.5
6.75
….
2
8
16.5
2.19
10.62
10.75
12-1.25
13.75
8.72
8.75
8.63
3
5.25
3
0.5
8.75
….
2.25
10
20
2.5
12.75
13.5
16-1.38
17
10.88
10.92
10.75
3.38
6
4.38
0.5
10.88
….
2.56
12
22
2.62
15
15.75
20-1.38
19.25
12.88
12.92
12.75
3.62
6.12
4.62
0.5
12.94
….
2.75
14
23.75
2.75
16.25
17
20-1.50
20.75
14.14
14.18
14
3.69
6.5
5
0.5
14.19
….
2.88
16
27
3
18.5
19.5
20-1.63
23.75
16.16
16.19
16
4.19
7
5.5
0.5
16.19
….
3.06
18
29.25
3.25
21
21.5
20-1.75
25.75
18.18
18.2
18
4.62
7.25
6
0.5
18.19
….
3.12
20
32
3.5
23
24
24-1.75
28.5
20.2
20.25
20
5
7.5
6.5
0.5
20.19
….
3.25
22
34.25
3.75
25.25
26.25
24-1.75
30.63
22.22
22.25
22
5.25
7.75
6.88
0.5
….
….
–
24
37
4
27.25
28.25
24-2.00
33
24.25
24.25
24
5.5
8
7.25
0.5
24.19
….
3.62
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.


Ansi B16.5 Class 900 Forged Flanges


Nom. Pipe Size
O
T
R
X
#/Dia of Holesa
Bolt Circle Dia
B
B2b
B3
H
L
L2
L3c
r
C
Thr
Sizes 1/2″ through 2 1/2″ are identical to class 1500.
3
9.5
1.5
5
5
8-1.00
7.5
3.57

3.6
3.5
2.12
4
2.12
0.38
3.63
1.62
4
11.5
1.75
6.19
6.25
8-1.25
9.25
4.57
4.6
4.5
2.75
4.5
2.75
0.44
4.63
1.88
5
13.75
2
7.31
7.5
8-1.38
11
5.66
5.69
5.56
3.12
5
3.12
0.44
5.69
2.12
6
15
2.19
8.5
9.25
12-1.25
12.5
6.72
6.75
6.63
3.38
5.5
3.38
0.5
6.75
2.25
8
18.5
2.5
10.63
11.75
12-1.50
15.5
8.72
8.75
8.63
4
6.38
4.5
0.5
8.75
2.5
10
21.5
2.75
12.75
14.5
16-1.50
18.5
10.88
10.92
10.75
4.25
7.25
5
0.5
10.88
2.81
12
24
3.12
15
16.5
20-1.50
21
12.88
12.92
12.75
4.63
7.88
5.62
0.5
12.94
3
14
25.25
3.38
16.25
17.75
20-1.63
22
14.14
14.18
14
5.12
8.38
6.12
0.5
14.19
3.25
16
27.75
3.5
18.5
20
20-1.75
24.25
16.16
16.19
16
5.25
8.5
6.5
0.5
16.19
3.38
18
31
4
21
22.25
20-2.00
27
18.18
18.2
18
6
9
7.5
0.5
18.19
3.5
20
33.75
4.25
23
24.5
20-2.13
29.5
20.2
20.25
20
6.25
9.75
8.25
0.5
20.19
3.62
24
41
5.5
27.25
29.5
20-2.63
35.5
24.25
24.25
24
8
11.5
10.5
0.5
24.19
4
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.


Ansi B16.5 Class 1500 Forged Flanges


Nom. Pipe Size
O
T
R
X
#/Dia of Holesa
Bolt Circle Dia
B
B2b
B3
H
L
L2
L3c
r
C
D
Thr
½
4.75
0.88
1.38
1.5
4-0.88
3.25
0.88
0.9
0.84
1.25
2.38
1.25
0.12
0.93
0.38
0.88
¾
5.12
1
1.69
1.75
4-0.88
3.5
1.09
1.11
1.05
1.38
2.75
1.38
0.12
1.14
0.44
1
1
5.88
1.12
2
2.06
4-1.00
4
1.36
1.38
1.32
1.62
2.88
1.62
0.12
1.41
0.5
1.12
1¼
6.25
1.12
2.5
2.5
4-1.00
4.38
1.7
1.72
1.66
1.62
2.88
1.62
0.19
1.75
0.56
1.19
1½
7
1.25
2.88
2.75
4-1.12
4.88
1.95
1.97
1.9
1.75
3.25
1.75
0.25
1.99
0.62
1.25
2
8.5
1.5
3.63
4.12
8-1.00
6.5
2.44
2.46
2.38
2.25
4
2.25
0.31
2.5
0.69
1.5
2½
9.62
1.62
4.13
4.88
8-1.12
7.5
2.94
2.97
2.88
2.5
4.12
2.5
0.31
3
0.75
1.88
3
10.5
1.88
5
5.25
8-1.25
8
….
3.6
3.5
….
4.62
2.88
0.38
….
….
….
4
12.25
2.12
6.19
6.38
8-1.38
9.5
….
4.6
4.5
….
4.88
3.56
0.44
….
….
….
5
14.75
2.88
7.31
7.75
8-1.63
11.5
….
5.69
5.56
….
6.12
4.12
0.44
….
….
….
6
15.5
3.25
8.5
9
12-1.50
12.5
….
6.75
6.63
….
6.75
4.69
0.5
….
….
….
8
19
3.62
10.63
11.5
12-1.75
15.5
….
8.75
8.63
….
8.38
5.62
0.5
….
….
….
10
23
4.25
12.75
14.5
12-2.00
19
….
10.92
10.75
….
10
7
0.5
….
….
….
12
26.5
4.88
15
17.75
16-2.12
22.5
….
12.92
12.75
….
11.12
8.62
0.5
….
….
….
14
29.5
5.25
16.25
19.5
16-2.38
25
….
14.18
14
….
11.75
9.5
0.5
….
….
….
16
32.5
5.75
18.5
21.75
16-2.63
27.75
….
16.19
16
….
12.25
10.25
0.5
….
….
….
18
36
6.38
21
23.5
16-2.88
30.5
….
18.2
18
….
12.88
10.88
0.5
….
….
….
20
38.75
7
23
25.25
16-3.12
32.75
….
20.25
20
….
14
11.5
0.5
….
….
….
24
46
8
27.25
30
16-3.63
39
….
24.25
24
….
16
13
0.5
….
….
….
Dimensions are in inches. (a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.


Ansi B16.5 Class 2500 Forged Flanges


Nom. Pipe Size
O
T
R
X
#/Dia of Holesa
Bolt Circle Dia
B2b
B3
H
L
L2
L3c
r
C
Thr
½
5.25
1.19
1.38
1.69
4-0.88
3.5
0.9
0.84
1.56
2.88
1.56
0.12
0.93
1.12
¾
5.5
1.25
1.69
2
4-0.88
3.75
1.11
1.05
1.69
3.12
1.69
0.12
1.14
1.25
1
6.25
1.38
2
2.25
4-1.00
4.25
1.38
1.32
1.88
3.5
1.88
0.12
1.41
1.38
1¼
7.25
1.5
2.5
2.88
4-1.12
5.13
1.72
1.66
2.06
3.75
2.06
0.19
1.75
1.5
1½
8
1.75
2.88
3.12
4-1.25
5.75
1.97
1.9
2.38
4.38
2.38
0.25
1.99
1.75
2
9.25
2
3.63
3.75
8-1.12
6.75
2.46
2.38
2.75
5
2.75
0.31
2.5
2
2½
10.5
2.25
4.13
4.5
8-1.25
7.75
2.97
2.88
3.12
5.62
3.12
0.31
3
2.25
3
12
2.62
5
5.25
8-1.38
9
3.6
3.5
….
6.62
3.62
0.38
….
….
4
14
3
6.19
6.5
8-1.63
10.75
4.6
4.5
….
7.5
4.25
0.44
….
….
5
16.5
3.62
7.31
8
8-1.88
12.75
5.69
5.56
….
9
5.12
0.44
….
….
6
19
4.25
8.5
9.25
8-2.12
14.5
6.75
6.63
….
10.75
6
0.5
….
….
8
21.75
5
10.63
12
12-2.12
17.25
8.75
8.63
….
12.5
7
0.5
….
….
10
26.5
6.5
12.75
14.75
12-2.63
21.25
10.92
10.75
….
16.5
9
0.5
….
….
12
30
7.25
15
17.38
12-2.88
24.38
12.92
12.75
….
18.25
10
0.5
….
….
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.


We Stock All Different Types Of Forged Flanges


  • api 605 Forged Flanges
  • class e Forged Flanges
  • fitting a Forged Flanges
  • flange Forged 36
  • flange Forged jis 5k
  • galvanized Forged Flanges
  • large diameter Forged Flanges
  • ms Forged Flanges
  • Forged blind flange
  • Forged Flanges 12
  • Forged Flanges 1500#
  • Forged Flanges 2500
  • Forged Flanges 3
  • Forged Flanges 300 lbs
  • Forged Flanges 4
  • Forged Flanges 8
  • Forged Flanges ansi 300
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  • Forged Flanges b16.47
  • Forged Flanges bs10
  • Forged Flanges class 600
  • Forged Flanges din 2573
  • Forged Flanges din 2576 pn16
  • Forged Flanges en 1092-1
  • Forged Flanges flange
  • Forged Flanges hub thickness
  • Forged Flanges jis 10k
  • Forged Flanges material
  • Forged Flanges on elbow
  • Forged Flanges on tee
  • Forged Flanges pipe
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  • Forged Flanges stub end
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  • Forged Flanges tolerances
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  • flange Forged 125
  • flange Forged 48
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  • inconel 625 Forged Flanges
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  • Forged Flanges 26
  • Forged Flanges 30
  • Forged Flanges 316l
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  • Forged Flanges ansi b16.5
  • Forged Flanges asme b16.5
  • Forged Flanges b16.5
  • Forged Flanges class 150
  • Forged Flanges class 900
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  • flange Forged 150 rf
  • flange Forged 900
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  • Forged Flanges 150 lbs
  • Forged Flanges 22
  • Forged Flanges 28
  • Forged Flanges 300
  • Forged Flanges 32
  • Forged Flanges 600#
  • Forged Flanges ansi 150
  • Forged Flanges ansi b16.5 class 150
  • Forged Flanges astm a105
  • Forged Flanges bs 3293
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  • Forged Flanges to pipe welding
  • Forged Flanges uk
  • Forged Flanges vs raised face
  • Forged Flanges weld size


EN/PED Steel Flanges

  • DIN2573, DIN2576 carbon steel plate flanges
  • DIN2527 blind flanges
  • DIN2573, DIN2576 plate flange, backing flange,gasket
  • EN1092-1 F304/F304L plate flange
  • DIN2634 steel weld neck flanges
  • DIN2633 weld neck flanges EN1092-1 steel plate backing flanges
  • EN1092-1 TYPE05 blind flanges
  • EN1092-1 TYPE 11B weld neck flanges
  • EN1092-1 type11B PN10 DN400 weld neck flange raised face


BS Steel Flanges


  • BS4504 code 105 steel blind flanges
  • BS4504 code 101 steel plate flanges
  • BS4504 code 111 steel weld neck flanges


JIS Steel Flanges


  • BS4504 code 105 steel blind flanges
  • BS4504 code 101 steel plate flanges
  • BS4504 code 111 steel weld neck flanges


Forged Flanges Marking & Packaging


Forged Flanges are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All Alloy Steel Pipe Fittings and flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our Alloy Steel Pipe Fittings

Stavanger Stal emphasis on the packaging to ensure that there is no damage during transit the Forged Flanges are packed in wooden corrugated boxes foiled in bubble wraps & are marked with Grade, Lot No, Size, Degree and Stavanger Stal Brand Mark. You can also contact us for customized marking.


Forged Flanges Quality Assurance


At Stavanger Stal, all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.


Forged Flanges Test Certificates:


Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

Stavanger Stal offer its Products with Third Party Inspection also. The Inspection Agency can be nominated by clients or Stavanger Stal can be arrange the TPI by World reputed Agencies like Bureau Veritas, DNV, LLOYDS, ICB and many other. Forged Flanges are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. All our Forged Flanges are manufactured with tested raw materials and are supplied with NABL approved lab test reports. On demand, we can also provide, Hydro Testing Reports, Non Destructive Test Reports, or Destructive Test Reports.