Stainless Steel ANSI B16.5 Flange Manufacturer Supplier, Stockists

The accepted and widely accepted common industry jargon is ASME B16.5 Flange Dimensions In Mm. In reality, the ASME B16.5 Flange Rating Calculator is still the system that industry professionals including engineers, architects, manufacturers, and suppliers use the most.

Table of Content

Check the dimensions of ANSI B16.5 Class 150 Forged Flanges and Live Raised Face ASME B16.5 Flanges.

Additionally, even though there are no official ANSI B16.5 Flange Dimensions, there is no other way to comprehend ASME B16.5. Since 1922, piping safety has been outlined in the ASME B16.5 Flange Chart. Pipe flanges and flanged fittings with an NPS 1/2 through NPS 24 Metric/Inch Standard size range are both covered by ASME B16.5.

As well as defining parameters like ASME B16.5 Flange Material, Tolerances, Marking, Pressure-Temperature Ratings, Dimensions, Testing, and Methods of Designating Openings for Pipe Flanges and Flanged Fittings, the ASME B16.5 Flange Bolting Chart Standard also specifies how to mark openings for Pipe Flanges and Flanged Fittings. The following rating classes are available for ANSI B16.5 Flange Din En 1092-1: 150, 300, 400, 600, 900, and 1500. The sizes of these flanges range from NPS 1/2 to NPS 24, while the sizes of flanges with the rating class 2500 designation are NPS 1/2 to NPS 12. The dimensions of these flanges are specified in metric and American Customary units, with inch units used to describe the bolt diameter and flange bolt hole diameter.

Only flanges and flanged fittings created only from cast or forged materials are eligible for ASME B16.5 Class 400 Flange certification. In general, forged, cast, or plate materials are used to make blind ANSI B16.5 Flange Class 600 and some reducing ANSI B16.5 Flange Class 300. The ASME B16.5 Flange Tolerances are also covered in this Standard's requirements and suggestions for flange gaskets, flange bolting, and flange joints.

View Price List Of ASME B16.5 Class 300 Flange In India, ASME B16.5 Flange Material Supplier In Mumbai, and ANSI B16.5 Flange Weigh Chart.

ANSI B16.5 Slip on Flanges
ANSI B16.5 Slip on Flanges
ANSI B16.5 Flange
ANSI B16.5 Flange
ASME B16.5 Blind Flanges
ASME B16.5 Blind Flanges

Check ASME B16.5 Flange Tolerances, Sizes Of ANSI B16.5 Flange Din En 1092-1 Also Check Price Of ANSI B16.5 Flange Class 150, Class 300 And Class 600 Also Dimensions In Mm

The ANSI B16.5 Flange Class 150 Standard is to be used in conjunction with the machinery that is detailed in other volumes of the ASME B16 Series Standards as well as with other ASME standards. For instance, the Boiler and Pressure Vessel Code or the B31 Piping Codes can both be used with the common ANSI B16.5 Class 150 Forged Flanges.

 

ANSI B16.5 Flange Material
Stainless Steel ANSI B16.5 Flange ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409
Carbon Steel ANSI B16.5 Flange ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)
Titanium ANSI B16.5 Flange ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7
ASTM  R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5
Alloy Steel ANSI B16.5 Flange ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
Copper Nickel ANSI B16.5 Flange ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Copper ANSI B16.5 Flange T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Inconel ANSI B16.5 Flange ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 ANSI B16.5 Flange
Brass ANSI B16.5 Flange 3602 / 2604 / H59 / H62 / etc.
Monel ANSI B16.5 Flange ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Hastelloy ANSI B16.5 Flange ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
Aluminium ANSI B16.5 Flange 5052 /6061/ 6063 / 2017 / 7075 / etc.
Alloy 20 ANSI B16.5 Flange ASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
Duplex ANSI B16.5 Flange S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Nickel ANSI B16.5 Flange ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Incoloy ANSI B16.5 Flange ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges
Super Duplex ANSI B16.5 Flange S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Other ANSI B16.5 Flange material Tin bronze, Alumunum bronze, Lead bronze
Nimonic ANSI B16.5 Flange Nimonic 75, Nimonic 80A, Nimonic 90
254 Smo ANSI B16.5 Flange ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547

 

Asme B16.5 Flange Size Chart
ASME/ANSI B 16.36 Welding Neck Flange, Slip on Flange, Threaded Flange
PRESSURE CLASS 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.5 Welding Neck Flange, Slip on 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 B 16.47 Welding Neck Flange, Blind Flange [Series A & B]
PRESSURE CLASS 75, 150, 300, 400, 600, 900
BS 4504 SEC 3.1 Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange
PRESSURE CLASS PN 2.5 TO PN 40
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 PN 2.5 TO PN 400
BS 1560 BOSS Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
BS10 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, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638, 2673
PRESSURE CLASS PN 6 TO PN 100

 

Stainless Steel Size Chart
Dimensions Of Stainless Steel Nuts

 

Pressure Ratings of ANSI B16.5 Flange
ANSI Class
150
300
400
600
900
1500
2500
Temperature oF
Maximum Allowable Non-Shock Pressure PSIG
-20 to 100
285
740
985
1480
2220
3705
6170
200
260
680
905
1360
2035
3395
5655
300
230
655
870
1310
1965
3270
5450
400
200
635
845
1265
1900
3170
5280
500
170
605
805
1205
1810
3015
5025
600
140
570
755
1135
1705
2840
4730
650
125
550
730
1100
1650
2745
4575
700
110
530
710
1060
1590
2655
4425
750
95
505
675
1015
1520
2535
4230
800
80
410
550
825
1235
2055
3430
850
65
320
425
535
640
955
2655
900
50
230
305
460
690
1150
1915
950
35
135
185
275
410
685
1145
1000
20
85
115
170
255
430
715

 

ASTM Specification of ANSI B16.5 Flange
  •  Alloy Steel High-Temp ANSI B16.5 Flange
    •      A182 Gr F1 ANSI B16.5 Flange
    •      A182 Gr F11 ANSI B16.5 Flange
    •      A182 Gr F12 ANSI B16.5 Flange
    •      A182 Gr F22 ANSI B16.5 Flange
    •      A182 Gr F5 ANSI B16.5 Flange
    •      A182 Gr F9 ANSI B16.5 Flange
  •  Alloy Steel Low-Temp ANSI B16.5 Flange
    •      A350 Gr LF2 ANSI B16.5 Flange
    •      A350 Gr LF3 ANSI B16.5 Flange
  •  Austenitic Stainless Steel ANSI B16.5 Flange
    •      A182 Gr F304 ANSI B16.5 Flange
    •      A182 Gr F316 ANSI B16.5 Flange
    •      A182 Gr F321 ANSI B16.5 Flange
    •      A182 Gr F347 ANSI B16.5 Flange
    •      A182 Gr F304L ANSI B16.5 Flange
    •      A182 Gr F316L ANSI B16.5 Flange
    •      A182 Gr F317 ANSI B16.5 Flange
    •      A182 Gr F317L ANSI B16.5 Flange
    •      A182 Gr F321 ANSI B16.5 Flange
    •      A182 Gr F310 ANSI B16.5 Flange
    •      A182 Gr 347 ANSI B16.5 Flange
  •  Nickel Alloy ANSI B16.5 Flange
    •      ASTM B564 ANSI B16.5 Flange
    •      astm b564 uns n06600 ANSI B16.5 Flange
    •      astm b564 uns n06625 ANSI B16.5 Flange
    •      astm b564 uns no4400 ANSI B16.5 Flange
    •      astm b564 uns n08810 ANSI B16.5 Flange
    •      astm b564 uns n08811 ANSI B16.5 Flange
    •      astm b564 uns n08825 ANSI B16.5 Flange
    •      astm b564 uns n04400 ANSI B16.5 Flange
    •      astm b564 uns n10276 ANSI B16.5 Flange
    •      astm b564 uns n10665 ANSI B16.5 Flange
  •  Titanium ANSI B16.5 Flange
    •      astm b381 grade f2 ANSI B16.5 Flange
    •      astm b381 f5 ANSI B16.5 Flange
    •      astm b381 f3 ANSI B16.5 Flange
    •      astm b381 f12 ANSI B16.5 Flange
    •      astm b381 f7 ANSI B16.5 Flange
    •      Other grades: ASTM B381 F1, F2, F2H, F3, F4, F5, F6, F7,   F7H, F9, F10, F11, F12, F13, F14, F15, F16, F16H, F17, F18,   F19, F20, F21, F23, F24, F25, F26 , F26H, F27, F28, F29, F30,   F31, F32, F33, F34, F35, F36, F37, F38 ANSI B16.5 Flange
    •  Carbon Steel ANSI B16.5 Flange
      •      A105 ANSI B16.5 Flange

Dimensions of ANSI B16.5 Class 400 Flange
Nominal Size
Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes
Diameter of Holes
Bolt Circle
(BC)
SO Bore ID 
(SB)
WN Bore ID 
(WB)
Dia. Hub Base 
(HB)
Dia. of Hub Top 
(HT)
SO LTH
(SL)
WN LTH 
(WL)
1⁄2
3.50
0.38
1.38
4
0.62
2.38
0.88
0.62
1.19
0.84
0.56
1.81
3⁄4
3.88
0.44
1.69
4
0.62
2.75
1.09
0.82
1.50
1.05
0.56
2.00
1
4.25
0.50
2.00
4
0.62
3.12
1.36
1.05
1.94
1.32
0.62
2.12
11⁄4
4.62
0.56
2.50
4
0.62
3.50
1.70
1.38
2.31
1.66
0.75
2.19
11⁄2
5.00
0.62
2.88
4
0.62
3.88
1.95
1.61
2.56
1.90
0.81
2.38
2
6.00
0.69
3.62
4
0.75
4.75
2.44
2.07
3.06
2.38
0.94
2.44
21⁄2
7.00
0.81
4.12
4
0.75
5.50
2.94
2.47
3.56
2.88
1.06
2.69
3
7.50
0.88
5.00
4
0.75
6.00
3.57
3.07
4.25
3.50
1.12
2.69
31⁄2
8.50
0.88
5.50
8
0.75
7.00
4.07
3.55
4.81
4.00
1.19
2.75
4
9.00
0.88
6.19
8
0.75
7.50
4.57
4.03
5.31
4.50
1.25
2.94
5
10.00
0.88
7.31
8
0.88
8.50
5.66
5.05
6.44
5.56
1.38
3.44
6
11.00
0.94
8.50
8
0.88
9.50
6.72
6.07
7.56
6.63
1.50
3.44
8
13.50
1.06
10.62
8
0.88
11.75
8.72
7.98
9.69
8.63
1.69
3.94
10
16.00
1.12
12.75
12
1.00
14.25
10.88
10.02
12.00
10.75
1.88
3.94
12
19.00
1.19
15.00
12
1.00
17.00
12.88
12.00
14.38
12.75
2.12
4.44
14
21.00
1.31
16.25
12
1.12
18.75
14.14
13.25
15.75
14.00
2.19
4.94
16
23.50
1.38
18.50
16
1.12
21.25
16.16
15.25
18.00
16.00
2.44
4.94
18
25.00
1.50
21.00
16
1.25
22.75
18.18
17.25
19.88
18.00
2.62
5.44
20
27.50
1.62
23.00
20
1.25
25.00
20.20
19.25
22.00
20.00
2.81
5.62
22
29.50
1.75
25.25
20
1.38
27.25
22.22
21.25
24.25
22.00
3.07
5.82
24
32.00
1.81
27.25
20
1.38
29.50
24.25
23.25
26.12
24.00
3.19
5.94

 

ASME B16.5 Class 600 Flange Dimensions
Nominal Size
Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes
Diameter of Holes
Bolt Circle
(BC)
SO Bore ID 
(SB)
Dia. Hub Base 
(HB)
Dia. Hub Top 
(HT)
SO LTH
(SL)
WN LTH 
(WL)
* WN Bore ID 
(WB)
1⁄2
3.75
0.56
1.38
4
0.63
2.62
0.88
1.50
0.84
0.88
2.06
*
3⁄4
4.62
0.62
1.69
4
0.75
3.25
1.09
1.88
1.05
1.00
2.25
*
1
4.88
0.69
2.00
4
0.75
3.50
1.36
2.12
1.32
1.06
2.44
*
11⁄4
5.25
0.81
2.50
4
0.75
3.88
1.70
2.50
1.66
1.12
2.62
*
11⁄2
6.12
0.88
2.88
4
0.88
4.50
1.95
2.75
1.90
1.25
2.75
*
2
6.50
1.00
3.62
8
0.75
5.00
2.44
3.31
2.38
1.44
2.88
*
21⁄2
7.50
1.12
4.12
8
0.88
5.88
2.94
3.94
2.88
1.62
3.12
*
3
8.25
1.25
5.00
8
0.88
6.62
3.57
4.62
3.50
1.81
3.25
*
31⁄2
9.00
1.38
5.50
8
1.00
7.25
4.07
5.25
4.00
1.94
3.38
*
4
10.75
1.50
6.19
8
1.00
8.50
4.57
6.00
4.50
2.12
4.00
*
5
13.00
1.75
7.31
8
1.12
10.50
5.66
7.44
5.56
2.38
4.50
*
6
14.00
1.88
8.50
12
1.12
11.50
6.72
8.75
6.63
2.62
4.62
*
8
16.50
2.19
10.62
12
1.25
13.75
8.72
10.75
8.63
3.00
5.25
*
10
20.00
2.50
12.75
16
1.38
17.00
10.88
13.50
10.75
3.38
6.00
*
12
22.00
2.62
15.00
20
1.38
19.25
12.88
15.75
12.75
3.62
6.12
*
14
23.75
2.75
16.25
20
1.50
20.75
14.14
17.00
14.00
3.69
6.50
*
16
27.00
3.00
18.50
20
1.63
23.75
16.16
19.50
16.00
4.19
7.00
*
18
29.25
3.25
21.00
20
1.75
25.75
18.18
21.50
18.00
4.62
7.25
*
20
32.00
3.50
23.00
24
1.75
28.50
20.20
24.00
20.00
5.00
7.50
*
22
34.25
3.75
25.25
24
1.88
30.63
22.22
26.25
22.00
5.25
7.75
*
24
37.00
4.00
27.25
24
2.00
33.00
24.25
28.25
24.00
5.50
8.00
*

 

Dimensions ANSI B16.5 Class 900 Flange
Nominal Size
Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes
Diameter of Holes
Bolt Circle
(BC)
SO Bore ID 
(SB)
* WN Bore ID 
(WB)
Dia. Hub Base 
(HB)
Dia. Hub Top 
(HT)
SO LTH
(SL)
WN LTH 
(WL)
3
9.50
1.50
5.00
8
1.00
7.50
3.57
*
5.00
3.50
2.12
4.00
4
11.50
1.75
6.19
8
1.25
9.25
4.57
*
6.25
4.50
2.75
4.50
5
13.75
2.00
7.31
8
1.38
11.00
5.66
*
7.50
5.56
3.12
5.00
6
15.00
2.19
8.50
12
1.25
12.50
6.72
*
9.25
6.63
3.38
5.50
8
18.50
2.50
10.63
12
1.50
15.50
8.72
*
11.75
8.63
4.00
6.38
10
21.50
2.75
12.75
16
1.50
18.50
10.88
*
14.50
10.75
4.25
7.25
12
24.00
3.12
15.00
20
1.50
21.00
12.88
*
16.50
12.75
4.63
7.88
14
25.25
3.38
16.25
20
1.63
22.00
14.14
*
17.75
14.00
5.12
8.38
16
27.75
3.50
18.50
20
1.75
24.25
16.16
*
20.00
16.00
5.25
8.50
18
31.00
4.00
21.00
20
2.00
27.00
18.18
*
22.25
18.00
6.00
9.00
20
33.75
4.25
23.00
20
2.13
29.50
20.20
*
24.50
20.00
6.25
9.75
24
41.00
5.50
27.25
20
2.63
35.50
24.25
*
29.50
24.00
8.00
11.50

 

ASME B16.5 Class 1500 Flange Dimensions
Nominal Size
Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes
Diameter of Holes
Bolt Circle
(BC)
So Bore ID 
(SB)
Dia. Hub Base 
(HB)
Dia. Hub Top 
(HT)
SO LTH
(SL)
WN LTH 
(WL)
* WN Bore ID 
(WB)
1⁄2
4.75
0.88
1.38
4
0.88
3.25
0.88
1.50
0.84
1.25
2.38
*
3⁄4
5.12
1.00
1.69
4
0.88
3.50
1.09
1.75
1.05
1.38
2.75
*
1
5.88
1.12
2.00
4
1.00
4.00
1.36
2.06
1.32
1.62
2.88
*
11⁄4
6.25
1.12
2.50
4
1.00
4.38
1.70
2.50
1.66
1.62
2.88
*
11⁄2
7.00
1.25
2.88
4
1.12
4.88
1.95
2.75
1.90
1.75
3.25
*
2
8.50
1.50
3.63
8
1.00
6.50
2.44
4.12
2.38
2.25
4.00
*
21⁄2
9.62
1.62
4.13
8
1.12
7.50
2.94
4.88
2.88
2.50
4.12
*
3
10.50
1.88
5.00
8
1.25
8.00
–
5.25
3.50
–
4.62
*
4
12.25
2.12
6.19
8
1.38
9.50
–
6.38
4.50
–
4.88
*
5
14.75
2.88
7.31
8
1.63
11.50
–
7.75
5.56
–
6.12
*
6
15.50
3.25
8.50
12
1.50
12.50
–
9.00
6.63
–
6.75
*
8
19.00
3.62
10.63
12
1.75
15.50
–
11.50
8.63
–
8.38
*
10
23.00
4.25
12.75
12
2.00
19.00
–
14.50
10.75
–
10.00
*
12
26.50
4.88
15.00
16
2.12
22.50
–
17.75
12.75
–
11.12
*
14
29.50
5.25
16.25
16
2.38
25.00
–
19.50
14.00
–
11.75
*
16
32.50
5.75
18.50
16
2.63
27.75
–
21.75
16.00
–
12.25
*
18
36.00
6.38
21.00
16
2.88
30.50
–
23.50
18.00
–
12.88
*
20
38.75
7.00
23.00
16
3.12
32.75
–
25.25
20.00
–
14.00
*
24
46.00
8.00
27.25
16
3.63
39.00
–
30.00
24.00
–
16.00
*

 

Dimensions of ASME B16.5 Class 2500 Flange
Nominal Size
Outside Diameter 
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes
Diameter of Holes
Bolt Circle
(BC)
Dia. Hub Base 
(HB)
Dia. Hub Top 
(HT)
SO LTH
(SL)
WN LTH 
(WL)
* WN Bore ID 
(WB)
1⁄2
5.25
1.19
1.38
4
0.88
3.50
1.69
0.84
1.56
2.88
*
3⁄4
5.50
1.25
1.69
4
0.88
3.75
2.00
1.05
1.69
3.12
*
1
6.25
1.38
2.00
4
1.00
4.25
2.25
1.32
1.88
3.50
*
11⁄4
7.25
1.50
2.50
4
1.12
5.13
2.88
1.66
2.06
3.75
*
11⁄2
8.00
1.75
2.88
4
1.25
5.75
3.12
1.90
2.38
4.38
*
2
9.25
2.00
3.63
8
1.12
6.75
3.75
2.38
2.75
5.00
*
21⁄2
10.50
2.25
4.13
8
1.25
7.75
4.50
2.88
3.12
5.62
*
3
12.00
2.62
5.00
8
1.38
9.00
5.25
3.50
–
6.62
*
4
14.00
3.00
6.19
8
1.63
10.75
6.50
4.50
–
7.50
*
5
16.50
3.62
7.31
8
1.88
12.75
8.00
5.56
–
9.00
*
6
19.00
4.25
8.50
8
2.12
14.50
9.25
6.63
–
10.75
*
8
21.75
5.00
10.63
12
2.12
17.25
12.00
8.63
–
12.50
*
10
26.50
6.50
12.75
12
2.63
21.25
14.75
10.75
–
16.50
*
12
30.00
7.25
15.00
12
2.88
24.38
17.38
12.75
–
18.25
*

 

Price List of ANSI B16.5 Flange
Sl No. Description Size Aprox. Wt/Unit FOB 
INR		 CIF
INR		 FOB
USD		 CIF
USD		 FOB
STGP		 CIF
STGP		 FOB
EURO$		 CIF
EURO$
1
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
15mm
0.49
349.60
380.00
5.297
5.758
3.567
3.878
6.356
6.909
2
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
20mm
0.61
434.70
472.50
6.586
7.159
4.436
4.821
7.904
8.591
3
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
25mm
0.90
699.20
760.00
10.594
11.515
7.135
7.755
12.713
13.818
4
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
32mm
1.13
737.15
801.25
11.169
12.140
7.522
8.176
13.403
14.568
5
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
40mm
1.48
854.45
928.75
12.946
14.072
8.719
9.477
15.535
16.886
6
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
50mm
2.37
1164.95
1266.25
17.651
19.186
11.887
12.921
21.181
23.023
7
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
65mm
3.60
2096.45
2278.75
31.764
34.527
21.392
23.253
38.117
41.432
8
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
80MM
4.10
2794.50
3037.50
42.341
46.023
28.515
30.995
50.809
55.227
9
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
100mm
6.04
3105.00
3375.00
47.045
51.136
31.684
34.439
56.455
61.364
10
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
125mm
6.53
3493.70
3797.50
52.935
57.538
35.650
38.750
63.522
69.045
11
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
150mm
7.78
4968.00
5400.00
75.273
81.818
50.694
55.102
90.327
98.182
12
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
200mm
12.98
9004.50
9787.50
136.432
148.295
91.883
99.872
163.718
177.955
13
Slip on (SORF) ASTM A182 F304 ANSI B16.5 150#
250mm
17.96
11643.75
12656.25
176.420
191.761
118.814
129.145
211.705
230.1

 

What is ANSI B16.5 Flange ?

Steel Pipe Flanges and Flanged Fittings from NPS 1/2 to NPS 24 Metric/Inch in Pressure Classes 150 to Class 2500 are covered by ASME B16.5 standard. Both "B16.5" and "B16 5" are used to refer to the same standard and are interchangeable.

 

Specification of ANSI B16.5 Flange
ANSI B16.5 Flange Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
ASME B16.5 /ANSI B16.5 Flange Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
ANSI B16.5 Flange Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 ANSI B16.5 Flange
ANSI B16.5 Flange Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ANSI B16.5 Flange
UNI 6Bar 10Bar 16Bar 25Bar 40Bar ANSI B16.5 Flange
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K ANSI B16.5 Flange
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized ANSI B16.5 Flange
EN 6Bar 10Bar 16Bar 25Bar 40Bar ANSI B16.5 Flange
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Most common types of ANSI B16.5 Flange Forged / Threaded / Screwed / Plate
Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Production technique
  • Forged, Heat treated and machined
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations
Origin Indian / West Europe / Japan / USA / Korean
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
ANSI B16.5 Flange Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Manufacturer of

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
ANSI B16.5 Flange : -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • DIN: 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 ANSI B16.5 Flange
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Export to Saudi Arabia, Peru, Egypt, Indonesia, Brazil, Spain, USA, Canada, Ukraine, Singapore, Thailand, Oman, Ireland, Korea, Iran, India, Dubai
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

 

ANSI B16.5 Class 150 Flange Dimensions
Nominal Size
Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes
Diameter of Holes
Bolt Circle
(BC)
SO Bore ID 
(SB)
WN Bore ID 
(WB)
Dia. Hub Base 
(HB)
Dia. of Hub Top 
(HT)
SO LTH
(SL)
WN LTH 
(WL)
1⁄2
3.50
0.38
1.38
4
0.62
2.38
0.88
0.62
1.19
0.84
0.56
1.81
3⁄4
3.88
0.44
1.69
4
0.62
2.75
1.09
0.82
1.50
1.05
0.56
2.00
1
4.25
0.50
2.00
4
0.62
3.12
1.36
1.05
1.94
1.32
0.62
2.12
11⁄4
4.62
0.56
2.50
4
0.62
3.50
1.70
1.38
2.31
1.66
0.75
2.19
11⁄2
5.00
0.62
2.88
4
0.62
3.88
1.95
1.61
2.56
1.90
0.81
2.38
2
6.00
0.69
3.62
4
0.75
4.75
2.44
2.07
3.06
2.38
0.94
2.44
21⁄2
7.00
0.81
4.12
4
0.75
5.50
2.94
2.47
3.56
2.88
1.06
2.69
3
7.50
0.88
5.00
4
0.75
6.00
3.57
3.07
4.25
3.50
1.12
2.69
31⁄2
8.50
0.88
5.50
8
0.75
7.00
4.07
3.55
4.81
4.00
1.19
2.75
4
9.00
0.88
6.19
8
0.75
7.50
4.57
4.03
5.31
4.50
1.25
2.94
5
10.00
0.88
7.31
8
0.88
8.50
5.66
5.05
6.44
5.56
1.38
3.44
6
11.00
0.94
8.50
8
0.88
9.50
6.72
6.07
7.56
6.63
1.50
3.44
8
13.50
1.06
10.62
8
0.88
11.75
8.72
7.98
9.69
8.63
1.69
3.94
10
16.00
1.12
12.75
12
1.00
14.25
10.88
10.02
12.00
10.75
1.88
3.94
12
19.00
1.19
15.00
12
1.00
17.00
12.88
12.00
14.38
12.75
2.12
4.44
14
21.00
1.31
16.25
12
1.12
18.75
14.14
13.25
15.75
14.00
2.19
4.94
16
23.50
1.38
18.50
16
1.12
21.25
16.16
15.25
18.00
16.00
2.44
4.94
18
25.00
1.50
21.00
16
1.25
22.75
18.18
17.25
19.88
18.00
2.62
5.44
20
27.50
1.62
23.00
20
1.25
25.00
20.20
19.25
22.00
20.00
2.81
5.62
22
29.50
1.75
25.25
20
1.38
27.25
22.22
21.25
24.25
22.00
3.07
5.82
24
32.00
1.81
27.25
20
1.38
29.50
24.25
23.25
26.12
24.00
3.19
5.94

 

ASME B16.5 Class 300 Flange Dimensions
Nominal Size
Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes
Diameter of Holes
Bolt Circle
(BC)
SO Bore ID 
(SB)
WN Bore ID 
(WB)
Dia. Hub Base 
(HB)
Dia. Hub Top 
(HT)
SO LTH
(SL)
WN LTH 
(WL)
1⁄2
3.75
0.50
1.38
4
0.63
2.62
0.88
0.62
1.50
0.84
0.81
2.00
3⁄4
4.62
0.56
1.69
4
0.75
3.25
1.09
0.82
1.88
1.05
0.94
2.19
1
4.88
0.62
2.00
4
0.75
3.50
1.36
1.05
2.12
1.32
1.00
2.38
11⁄4
5.25
0.69
2.50
4
0.75
3.88
1.70
1.38
2.50
1.66
1.00
2.50
11⁄2
6.12
0.75
2.88
4
0.88
4.50
1.95
1.61
2.75
1.90
1.13
2.63
2
6.50
0.81
3.62
8
0.75
5.00
2.44
2.07
3.31
2.38
1.25
2.69
21⁄2
7.50
0.94
4.12
8
0.88
5.88
2.94
2.47
3.94
2.88
1.44
2.94
3
8.25
1.06
5.00
8
0.88
6.62
3.57
3.07
4.62
3.50
1.63
3.06
31⁄2
9.00
1.12
5.50
8
0.88
7.25
4.07
3.55
5.25
4.00
1.69
3.13
4
10.00
1.19
6.19
8
0.88
7.88
4.57
4.03
5.75
4.50
1.82
3.32
5
11.00
1.31
7.31
8
0.88
9.25
5.66
5.05
7.00
5.56
1.94
3.82
6
12.50
1.38
8.50
12
0.88
10.62
6.72
6.07
8.12
6.63
2.00
3.82
8
15.00
1.56
10.62
12
1.00
13.00
8.72
7.98
10.25
8.63
2.38
4.32
10
17.50
1.81
12.75
16
1.12
15.25
10.88
10.02
12.62
10.75
2.56
4.56
12
20.50
1.94
15.00
16
1.25
17.75
12.88
12.00
14.75
12.75
2.82
5.06
14
23.00
2.06
16.25
20
1.25
20.25
14.14
13.25
16.75
14.00
2.94
5.56
16
25.50
2.19
18.50
20
1.38
22.50
16.16
15.25
19.00
16.00
3.19
5.69
18
28.00
2.31
21.00
24
1.38
24.75
18.18
17.25
21.00
18.00
3.44
6.19
20
30.50
2.44
23.12
24
1.38
27.00
20.20
19.25
23.12
20.00
3.69
6.32
22
33.00
2.57
25.25
24
1.63
29.25
22.22
21.25
25.25
22.00
3.93
6.43
24
36.00
2.69
27.62
24
1.63
32.00
24.25
23.25
27.62
24.00
4.13
6.56

* For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter. 
Note : The p/t rating from ASME B16.5 apply only for flange type 05, 11, 12, 13 and 21 having nominal sizes up to and including DN 600. The p/t rating of all other flanges shall be agreed between the manufacturer and the purchaser.

 

Types of ASME / ANSI B16.5 Flange
ASME B16.5 Class 600 Flange
Duplex Steel ASME B16.5 Flange
Carbon Steel ASME B16.5 Flange
Inconel ASME B16.5 Flanges
Flange ANSI ASME B16.5
High Quality ASME B16.5 Flanges
ANSI B16.5 Class 2500 Flanges
Copper Nickel ASME B16.5 Pipe Flanges
Carbon Steel ASME B16.5 Flanges
ASME B16.5 Flange Dimensions
High Nickel Alloy ASME B16.5 Flanges
ASME B16.5 Class 150 Forged Flanges
ASME B16.5 Flange
ASME B16.5 Class 900 Flanges
ASME B16.5 Class 150 Flange
Flanges as per ASME B16.5
ANSI B16.5 Class 2500 Flange
Flange ASME B16.5 Class 400
ASME B16.5 Class 600 Blind Flange
ASME B16.5 Flange RF
Stainless Steel ASME B16.5 Flanges
Flange ASME B16.5 Class 150
ASME B16.5 Class 300 Flanges
Hastelloy ASME B16.5 Flanges
Super Duplex Steel ASME B16.5 Flange
ASME B16.5 Loose Flanges

 

Type of ANSI B16.5 Flange we produce
ANSI B16.5 Flange Class 900
ANSI B16.5 Flange Flat Face
ANSI B16.5 Flange Pn16
Kf ANSI B16.5 Flange
ANSI B16.5 Flange Class 2500
ANSI B16.5 Flange Slip On
ANSI B16.5 Flange Din 2527
ANSI B16.5 Flange Weight 150# 
ANSI B16.5 Flange Din 2576
ANSI B16.5 Flange With 1/2 Npt
ANSI B16.5 Flange Pn 64
ANSI B16.5 Flange Ansi B16.5 150
ANSI B16.5 Flange Class 150
ANSI B16.5 Flange Threaded
ANSI B16.5 Flange Pn10
ANSI B16.5 Flange B16.47
ANSI B16.5 Flange Pn40
ANSI B16.5 Flange Rtj 900
ANSI B16.5 Flange Pn 160
ANSI B16.5 Flange Rtj
ANSI B16.5 Flange Class 1500
ANSI B16.5 Flange Npt
ANSI B16.5 Flange Dn150 Pn16
ANSI B16.5 Flange Jis 5k
ANSI B16.5 Flange Class 600
ANSI B16.5 Flange Jis B2220
ANSI B16.5 Flange Asme B16.5 Class 300
ANSI B16.5 Flange Ring Type Joint
ANSI B16.5 Flange Din 2633
ANSI B16.5 Flange Rtj 1500
ANSI B16.5 Flange Class 300
ANSI B16.5 Flange With Threaded Hole
ANSI B16.5 Flange Din En 1092-1
ANSI B16.5 Flange Jis 10k

 

View the Super Duplex, Titanium, and Nickel Alloy ANSI B16.5 Flanges Stocking Distributors In India, ASME B16.5 Class 400 Flange, ASME B16.5 Flange Dimensions, ASME B16.5 Flange Chart, and ASME B16.5 Flange Bolting Chart. View the ANSI B16.5 Flange Face Finish, the ASME B16.5 Rating Calculator, and the ASME B16.5 Flange Dimensions In Mm.

 

flange