- Pressure Class:150#,300#, 2500#, 900#, 600#, 1500#
- Schedule:Sch 5 - XXS
- NPS:1/2 to 48"
- Face:RF, FF, RTJ
- Standards:ASME B16.5, MSS SP44, B16.47 Series A & B
- Temperature Range:-60°F to 600°F
- Process: Forging, Rolling, Casting
- MTC:EN 10204 3.1
- RFQ:contact@pipingmaterial.sa

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- F51 Duplex Flanges American and European Standard
- A182 F51 Flanges Specification
- A182 UNS S31803 Slip On Flange Pressure Ratings
- Types of ASTM A182 F51 Flange
- UNS S31803 F51 Pipe Flange Size Chart
- ASTM A182 F51 Flange Dimension Standards
- Fabrication Data Of SA182F51 Lap Joint Flanges
- A182 F51 Material Chemical Composition
- Weight Chart Of A182 F51 Duplex Forged Flange
- ASTM A182 Grade F51 Plate Flange Material Equivalent
- SA 182 F51 Material Weld Neck Flange Mechanical Properties
- ASTM A182 gr F51 Forged Flange Physical Properties
F51 Duplex Flanges American and European Standard

- ASME SA 182
- ASTM A182
- WNR 1.4462
- UNS 31803
- ASME B16.5
- MSS SP44
- ASME B16.47 Series A & B
Find your sizes of A182 F51 UNS S31803 Blind Flanges at lowest price in Saudi Arabia
A182 F51 Flanges Specification
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- NPS:1/2 - 48"
- Class:150 - 2500#
- Schedule :Sch 5 - XXS
- Flange Bolts
- Ring Joint
- Gaskets
- BSPP, FNPT
- NPT
- MNPT, BSPT
- Serrated
- Smooth, Mirror
- Concentric/Spiral
- Japanese, European
- Indian
- American, Korean
- Plastic Wrap/Bags
- Bubble Wrap
- Anti-Tarnish Paper
- NACE MR0103
- NACE MR0175
- Sour service
- 100% Radiography Test Report
- MTC
- Third Party Inspection
- Tensile, Pressure
- PMI test
- Hardness test
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A182 UNS S31803 Slip On Flange Pressure Ratings
Check ASTM A182 F51 Flange Traders in Saudi Arabia Who Offers flanges pressure ratings #150-2500
| Class temps., °F | -20 to 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
|---|---|---|---|---|---|---|---|---|---|---|
| 150 | 275 | 240 | 215 | 195 | 170 | 140 | 110 | 80 | 50 | 20 |
| 300 | 720 | 620 | 560 | 515 | 480 | 450 | 430 | 415 | 395 | 365 |
| 400 | 960 | 825 | 745 | 685 | 635 | 600 | 575 | 555 | 525 | 485 |
| 600 | 1440 | 1240 | 1120 | 1030 | 955 | 905 | 865 | 830 | 790 | 725 |
| 900 | 2160 | 1860 | 1680 | 1540 | 1435 | 1355 | 1295 | 1245 | 1180 | 1090 |
| 1500 | 3600 | 3095 | 2795 | 2570 | 2390 | 2255 | 2160 | 2075 | 1970 | 1820 |
| 2500 | 6000 | 5160 | 4660 | 4280 | 3980 | 3760 | 3600 | 3460 | 3280 | 3030 |
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Types of ASTM A182 F51 Flange
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UNS S31803 F51 Pipe Flange Size Chart
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| NPS | OD [mm] | No. of Bolts | Thickness (mm) | Bolt Circle Dia (BCD) [mm] | Hole Dia (mm) |
|---|---|---|---|---|---|
| 3/4″ | 120 | 4 | 16 | 105 | 14 |
| 1/2″ | 108 | 4 | 16 | 95 | 14 |
| 1 1/2″ | 150 | 4 | 20 | 130 | 16 |
| 1″ | 130 | 4 | 18 | 115 | 14 |
| 2 1/2″ | 180 | 4 | 24 | 160 | 18 |
| 2″ | 165 | 4 | 22 | 145 | 16 |
| 4″ | 210 | 8 | 28 | 190 | 18 |
| 3″ | 190 | 4 | 26 | 170 | 18 |
| 6″ | 250 | 8 | 32 | 230 | 20 |
| 5″ | 230 | 8 | 30 | 210 | 20 |
| 10″ | 300 | 8 | 36 | 270 | 22 |
| 8″ | 280 | 8 | 34 | 250 | 22 |
| 14″ | 360 | 12 | 40 | 320 | 24 |
| 12″ | 330 | 12 | 38 | 300 | 24 |
ASTM A182 F51 Flange Dimension Standards
| JIS Standard | DIN Standard | BS Standard |
|---|---|---|
|
|
|
Fabrication Data Of SA182F51 Lap Joint Flanges
| Solution Annealing | 1020-1100°C |
|---|---|
| Stress Relieving | 300-400°C |
View SA 182 F51 Weld Neck Flange Weight & Chemical Composition
A182 F51 Material Chemical Composition
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C
Mn
Cr
Si
P
S
Ni
Weight Chart Of A182 F51 Duplex Forged Flange
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| Nominal Size | Dimensions | Weight (KG) | |||
|---|---|---|---|---|---|
| NPS (Inches) | Thickness D mm | OD A mm | SOW SW | Blind | WN |
| 1/2 | 14.2 | 95.3 | 0.6 | 0.6 | 0.8 |
| 1 1/4 | 19.1 | 133.4 | 1.7 | 1.8 | 2.0 |
| 2 | 22.4 | 165.1 | 2.9 | 3.2 | 3.4 |
| 3 | 28.4 | 215.9 | 5.9 | 6.8 | 6.9 |
| 1 | 17.5 | 124 | 1.4 | 1.4 | 1.5 |
| 4 | 31.8 | 254 | 9.6 | 11.5 | 11.2 |
| 6 | 36.6 | 317.5 | 15.6 | 20.9 | 19.1 |
| 8 | 41.1 | 381 | 24.2 | 34.3 | 29.9 |
| 12 | 50.8 | 520.7 | 49.8 | 78.8 | 61.8 |
| 16 | 57.2 | 647.7 | 88.1 | 137.0 | 106.0 |
| 20 | 63.5 | 774.7 | 134.0 | 221.0 | 158.0 |
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ASTM A182 Grade F51 Plate Flange Material Equivalent
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SA 182 F51 Material Weld Neck Flange Mechanical Properties
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| Alloy | Tensile Strength N/mm² | Proof Strength | Elongation (%) | Hardness Brinell |
|---|---|---|---|---|
| F51 | 105 | 55 | 35 | 170-255 |
ASTM A182 gr F51 Forged Flange Physical Properties
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| Density (g/cm 3) | Density (lb/in 3) | Melting Point (°F) | Melting Point (°C) |
|---|---|---|---|
| 7.805 | 0.285 | 2588 - 2669 | 1420 - 1465 |
ASTM A182 F51 Flange Supplied In Following Cities
| Product | Project Name | Location |
|---|---|---|
| SA182f51 Lap Joint Flanges | Kindasa water services | Sudair, Saudi Arabia |
| A182 F51 Duplex Forged Flange | Rabig Solar PV Plant | Rabigh, Saudi Arabia |
| ASTM A182 Grade F51 Plate Flange | Al Rabie Saudi Foods Company | Riyadh, Saudi Arabia |
| SA 182 F51 Material Weld Neck Flange | AG. Maritime Private Limited | King Abdulla, Saudi Arabia |
