ANSI/ASME B16.5 Flanges
ANSI B16.5 Class 150 Flanges, ASME B16 5 Blind flange dimensions
ANSI/ASME B16.5 Flanges range from ½ inches to 48 inches in nominal bore sizes. The specification for these flanges is ASTM A182. Steel India Company is a leading manufacturer and supplier of the flanges in various designs and dimensions. The ANSI b16.5 Slip on Flange is one of the flanges in this range that is usually used with seamless pipes for better fitting.
The slip on flanges allow the pipes to slip onto the flange so that the pipe can be fitted in place. The ASME B16.5 Flange can come in different pressure classes such as class 150 through class2500 and with different pressure numbers. The PN6 through PN64 pressure numbers are used to describe the pressure capacities of the ANSI B16 5 flange as well. The higher classes are used with high temperature and pressure services while the lower classes such as the ANSI B16.5 Class 150 Flanges are used with low pressure applications. There are applications like the paper and pulp industry, sea water equipment, chemical equipment and pharmaceutical piping which use the EN 1092-2 PN16 ASME B16.5 Flanges where there are high end applications as well. The Class 300 ASME B16.5 Pipe Flanges can be used in the power generation, gas processing, heat exchanger and in boiler class applications because of their high pressure capacities. Please feel free to contact us for more details and types such as the ANSI B16.5 Class 150 Pipe Flange and the price list.
EN 1092-2 PN16 ASME B16.5 Flanges Dimensions & MSS SP-44 A182 F316L ANSI B16.5 Flanges Price List
ASME B16.5 Flanges Standard And Specification
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 |
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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 |
Production technique |
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Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
ASME B16.5 Pipe Flanges price list
Description | Piping Material Class | QTY | PRICE (USD$) PAR PICE |
BLIND FLANGE,: 16 NPS, ASTM A 105N, CL150#,RF, SMF(Ra=3.2-6.3μm), NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 4 NOS | $90.00 |
BLIND FLANGE: 10 NPS, ASTM A 105N, CL150#RF, SMF(Ra=3.2-6.3μm), NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 17 NOS | $11.00 |
BLIND FLANGE: 8 NPS, ASTM A 105N, CL150#RF, SMF(Ra=3.2-6.3μm), NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 18 NOS | $15.00 |
FLANGE: 1 NPS, ASTM A 105N,CL150#, SW, RF, SMF(Ra=3.2-6.3μm),SCH80,NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 18 NOS | $17.00 |
FLANGE: 1-1/2 NPS, ASTM A 105N,CL150#, SW,RF, SMF(Ra=3.2-6.3μm), SCH80, NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 8 NOS | $36.00 |
FLANGE: 3/4 NPS, ASTM A 105N, CL150#, SW, RF, SMF (Ra=3.2-6.3μm),SCH80, NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 20 NOS | $89.00 |
FLANGE: 14 NPS, ASTM A 105N, CL150#, WN, RF, SMF(Ra=3.2-6.3μm), SCH20, NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 2 NOS | $12.00 |
FLANGE: 12 NPS, ASTM A 105N, CL150#, WN, RF, SMF(Ra=3.2-6.3μm), SCH20, NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 14 NOS | $85.00 |
FLANGE: 10 NPS, ASTM A 105N, CL150#, WN, RF, SMF(Ra=3.2-6.3μm), SCH20, NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 35 NOS | $96.00 |
FLANGE: 8 NPS, ASTM A 105N, CL150#, WN, RF, SMF(Ra=3.2-6.3μm), SCH20, NACE MR-0175/ISO 15156, ASME B16.5 | A01E | 28 NOS | $14.00 |
Save up to 40% on ASME B16.5 carbon steel Flanges, ASME B16.5 Class 150 Flanges manufacturers in India
ANSI B16.5 Flanges Types
ASME B16 5 Blind flange Dimension Standards
ASME B16.5 Class 150 Flange Dimensions Chart
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 |
B16.5 Class 300 Flange Dimensions in mm
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 |
ASME B16.5 Class 400 Flange Dimensions Standards
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 | 1.5 | 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 | 10.00 | 1.38 | 6.19 | 8 | 1.00 | 7.88 | 4.57 | 5.75 | 4.50 | 2.00 | 3.50 | * |
5 | 11.00 | 1.50 | 7.31 | 8 | 1.00 | 9.25 | 5.66 | 7.00 | 5.56 | 2.12 | 4.00 | * |
6 | 12.50 | 1.62 | 8.50 | 12 | 1.00 | 10.62 | 6.72 | 8.12 | 6.63 | 2.25 | 4.06 | * |
8 | 15.00 | 1.88 | 10.62 | 12 | 1.12 | 13.00 | 8.72 | 10.25 | 8.63 | 2.69 | 4.62 | * |
10 | 17.50 | 2.12 | 12.75 | 16 | 1.25 | 15.25 | 10.88 | 12.62 | 10.75 | 2.88 | 4.88 | * |
12 | 20.50 | 2.25 | 15.00 | 16 | 1.38 | 17.75 | 12.88 | 14.75 | 12.75 | 3.12 | 5.38 | * |
14 | 23.00 | 2.38 | 16.25 | 20 | 1.38 | 20.25 | 14.14 | 16.75 | 14.00 | 3.31 | 5.88 | * |
16 | 25.50 | 2.50 | 18.50 | 20 | 1.50 | 22.50 | 16.16 | 19.00 | 16.00 | 3.69 | 6.00 | * |
18 | 28.00 | 2.62 | 21.00 | 24 | 1.50 | 24.75 | 18.18 | 21.00 | 18.00 | 3.88 | 6.50 | * |
20 | 30.50 | 2.75 | 23.12 | 24 | 1.62 | 27.00 | 20.20 | 23.12 | 20.00 | 4.00 | 6.62 | * |
22 | 33.00 | 2.88 | 25.25 | 24 | 1.75 | 29.25 | 22.22 | 25.25 | 22.00 | 4.25 | 6.75 | * |
24 | 36.00 | 3.00 | 27.25 | 24 | 1.88 | 32.00 | 24.25 | 27.62 | 24.00 | 4.50 | 6.88 | * |
Dimension of ANSI B16.5 Class 600 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) |
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 | * |
ANSI B16.5 Class 900 Flange Dimensions Chart
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 |
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 | * |
ASME B16.5 Class 2500 Flange Dimensions Chart
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 | * |
Check ANSI B16.5 Class 150 Pipe Flange Weight Chart, Ready Stock of Inconel ASME B16.5 Flanges, Carbon Steel ASME B16.5 Flange
ANSI B16.5 Class 150 Flanges Sizes In Mm


Buy Stainless Steel ASME B16.5 LWN Flange, Class 300 ASME B16.5 Pipe Flanges at the best price, Check ASME B16.5 Rtj Flange dimension Chart
Pressure Rating 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 |
ASME B16.5 Plate Flanges Material Specifications
Material Group | Nominal Desig nation | Pressure Temp. Rating Table | Forgings | Castings | Plates |
1.1 | C-Mn-Si | 2-1.1 | A350 Gr. LF2 | A516 Gr. 70 | |
C-Mn-Si | 2-1.1 | A537 Cl. 1 | |||
C-Mn-Si-V | 2-1.1 | A350 Gr. LF6 CI. 1 | |||
3.1/2 Ni | 2-1.1 | A350 Gr. LF3 | |||
1.2 | C-Mn-Si | 2-1.2 | A216 Gr. WCC | ||
C-Mn-Si | 2-1.2 | A352 Gr. LCC | |||
C-Mn-Si-V | 2-1.2 | A350 Gr. LF6 Cl. 2 | |||
2.1/2Ni | 2-1.2 | A352 Gr. LC2 | A203 Gr. B | ||
3.1/2Ni | 2-1.2 | A352 Gr. LC3 | A203 Gr. E | ||
1.3 | C-Si | 2-1.3 | A352 Gr. LCB | A515 Gr. 65 | |
C-Mn-Si | 2-1.3 | A516 Gr. 65 | |||
2.1/2Ni | 2-1.3 | A203 Gr. A | |||
3.1/2Ni | 2-1.3 | A203 Gr. D | |||
C-1/2Mo | 2-1.3 | A217 Gr. WC1 | |||
C-1/2Mo | 2-1.3 | A352 Gr. LC1 | |||
1.4 | C-Si | 2-1.4 | A515 Gr. 60 | ||
C-Mn-Si | 2-1.4 | A350 Gr. LF1 Cl. 1 | A516 Gr. 60 | ||
1.5 | C-1/2Mo | 2-1.5 | A182 Gr. F1 | A204 Gr. A | |
C-1/2Mo | 2-1.5 | A204 Gr. B |
Material Group | Nominal Desig nation | Pressure Temp. Rating Table | Forgings | Castings | Plates |
1.7 | 1/2Cr-1/2Mo | 2-1.7 | A182 Gr. F2 | ||
Ni-1/2Cr-1/2Mo | 2-1.7 | A217 Gr. WC4 | |||
3/4Ni-3/4Cr-1Mo | 2-1.7 | A217 Gr. WC5 | |||
1.9 | 1.1/4Cr-1/2Mo | 2-1.9 | A217 Gr. WC6 | ||
1.1/4Cr-1/2Mo-Si | 2-1.9 | A182 Gr. F11 CL.2 | A387 Gr. 11 Cl. 2 | ||
1.10 | 2¼Cr-1Mo | 2-1.10 | A182 Gr. F22 Cl. 3 | A 217 Gr. WC9 | A387 Gr. 22 Cl. 2 |
1.11 | C-1/2Mo | 2-1.11 | A204 Gr. C | ||
1.13 | 5Cr-1/2Mo | 2-1.13 | A182 Gr. F5a | A217 Gr. C5 | |
1.14 | 9Cr-1M0 | 2-1.14 | A182 Gr. F9 | A217 Gr. C12 | |
1.15 | 9Cr-1M0-V | 2-1.15 | A182 Gr. F91 | A217 Gr. C12A | A387 Gr. 91 Cl. 2 |
1.17 | 1Cr-1/2Mo | 2-1.17 | A182 Gr. F12 Cl. 2 | ||
5Cr-1/2Mo | 2-1.17 | A182 Gr. F5 | |||
1.18 | 9Cr-2W-V | 2-1.18 | A182 Gr. F92 | ||
2.1 | 18Cr-8Ni | 2-2.1 | A182 Gr. F304 | A351 Gr. CF3 | A240 Gr. 304 |
18Cr-8Ni | 2-2.1 | A182 Gr. F304H | A351 Gr. CF8 | A240 Gr. 304H | |
2.2 | 16Cr-12Ni-2Mo | 2-2.2 | A182 Gr. F316 | A351 Gr. CF3M | A240 Gr. 316 |
16Cr-12Ni-2Mo | 2-2.2 | A182 Gr. F316H | A351 Gr. CF8M | A240 Gr. 316H | |
18Cr-13Ni-3Mo | 2-2.2 | A182 Gr. F317 | A240 Gr. 317 | ||
19Cr-10Ni-3Mo | 2-2.2 | A351 Gr. CG8M |
We Maintain Stock of ASME B16.5 Flange material of following manufacturers

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