Snapshot
  • 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
ASTM A182 F51 Flange

F51 Duplex Flanges American and European Standard

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

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A182 F51 Flanges Specification

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Flanges Sizes
ASTM A182 F51 Flange Sizes
  • NPS:1/2 - 48"
  • Class:150 - 2500#
  • Schedule :Sch 5 - XXS
Supporting Material
A182 F51 UNS S31803 Blind Flanges Supporting Material
  • Flange Bolts
  • Ring Joint
  • Gaskets
Threads
A182 F51 Threaded Flange Threads
  • BSPP, FNPT
  • NPT
  • MNPT, BSPT
Finish
UNS S31803 F51 Pipe Flange Finish
  • Serrated
  • Smooth, Mirror
  • Concentric/Spiral
Origin
F51 Duplex Stainless Steel Flanges Origin
  • Japanese, European
  • Indian
  • American, Korean
Packaging
SA 182 F51 Weld Neck Flange Packaging
  • Plastic Wrap/Bags
  • Bubble Wrap
  • Anti-Tarnish Paper
Fulfill
A182 F51 Duplex Stainless Steel Flanges Fulfill
  • NACE MR0103
  • NACE MR0175
  • Sour service
Documentation
ASTM A182 F51 UNS S31803 Flanges Documentation
  • 100% Radiography Test Report
  • MTC
  • Third Party Inspection
Testing
ASTM A182 UNS S31803 Blind Flange Testing
  • Tensile, Pressure
  • PMI test
  • Hardness test

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A182 UNS S31803 Slip On Flange Pressure Ratings

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Class temps., °F-20 to 1002003004005006007008009001000
150275240215195170140110805020
300720620560515480450430415395365
400960825745685635600575555525485
6001440124011201030955905865830790725
9002160186016801540143513551295124511801090
15003600309527952570239022552160207519701820
25006000516046604280398037603600346032803030

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Types of ASTM A182 F51 Flange

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F51 Duplex Slip On Flange
F51 Duplex Slip On Flange
A182 gr F51 Blind Flanges
A182 gr F51 Blind Flanges
F51 Duplex Steel Weld Neck Flange
F51 Duplex Steel Weld Neck Flange
ASTM A182 S31803 Socket Weld Flange
ASTM A182 S31803 Socket Weld Flange
UNS S31803 F51 Threaded Flange
UNS S31803 F51 Threaded Flange
ASTM A182 UNS S31803 Plate Flange
ASTM A182 UNS S31803 Plate Flange
A182 F51 Puddle Flanges
A182 F51 Puddle Flanges
A182 F51 Duplex Orifice Flanges
A182 F51 Duplex Orifice Flanges
UNS S31803 F51 Ring Type Joint Flange
UNS S31803 F51 Ring Type Joint Flange
ASTM A182 F51 Spectacle Blind Flanges
ASTM A182 F51 Spectacle Blind Flanges
Duplex F51 Reducing Flanges
Duplex F51 Reducing Flanges
SA182F51 Long Weld Neck Flanges
SA182F51 Long Weld Neck Flanges

UNS S31803 F51 Pipe Flange Size Chart

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NPSOD [mm]No. of BoltsThickness (mm)Bolt Circle Dia (BCD) [mm]Hole Dia (mm)
3/4″12041610514
1/2″1084169514
1 1/2″15042013016
1″13041811514
2 1/2″18042416018
2″16542214516
4″21082819018
3″19042617018
6″25083223020
5″23083021020
10″30083627022
8″28083425022
14″360124032024
12″330123830024

ASTM A182 F51 Flange Dimension Standards

JIS StandardDIN StandardBS Standard
  • B2220 10K
  • B2220 5K
  • B2220 20K
  • B2220 16K
  • 2573,2566
  • 2527, 2576
  • 2641, 2656
  • 2655, 2642
  • 2629, 2635
  • 2634, 2631
  • 2632, 2633
  • 2627,2673
  • 2638, 2628
  • 2637 ,2636
  • BS4504 PN 6, BS4504 PN 40
  • BS 4504 PN 10 , BS 4504 PN 64
  • BS4504 PN 16, BS 4504 PN 250
  • BS4504 PN 25 , BS 4504 PN 100
  • BS 10 , BS 4504 PN 160
  • BS Table F, BS Table D
  • BS Table H , BS Table E

Fabrication Data Of SA182F51 Lap Joint Flanges

Solution Annealing1020-1100°C
Stress Relieving300-400°C
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A182 F51 Material Chemical Composition

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C

0.03%

Mn

1.5 - 3.0%%

Cr

22.0 - 23.0%

Si

0.50%

P

0.04%

S

0.03%

Ni

4.5 - 6.5%

Weight Chart Of A182 F51 Duplex Forged Flange

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Nominal SizeDimensionsWeight (KG)
NPS (Inches)Thickness D mmOD A mmSOW SWBlindWN
1/214.295.30.60.60.8
1 1/419.1133.41.71.82.0
222.4165.12.93.23.4
328.4215.95.96.86.9
117.51241.41.41.5
431.82549.611.511.2
636.6317.515.620.919.1
841.138124.234.329.9
1250.8520.749.878.861.8
1657.2647.788.1137.0106.0
2063.5774.7134.0221.0158.0
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ASTM A182 Grade F51 Plate Flange Material Equivalent

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North America
UNS
(North America)
UNS S31803
Russia
WNR
(Russia)
1.4462
America
ASTM
(America)
ASTM A182
Australia
ASME
(Australia)
ASME SA 182
Japan
JIS
(Japan)
SUS 329J3L

SA 182 F51 Material Weld Neck Flange Mechanical Properties

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AlloyTensile Strength N/mm²Proof StrengthElongation (%)Hardness Brinell
F511055535170-255

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)
7.8050.2852588 - 26691420 - 1465

ASTM A182 F51 Flange Supplied In Following Cities

ProductProject NameLocation
SA182f51 Lap Joint FlangesKindasa water servicesSudair, Saudi Arabia
A182 F51 Duplex Forged FlangeRabig Solar PV PlantRabigh, Saudi Arabia
ASTM A182 Grade F51 Plate FlangeAl Rabie Saudi Foods CompanyRiyadh, Saudi Arabia
SA 182 F51 Material Weld Neck FlangeAG. Maritime Private LimitedKing Abdulla, Saudi Arabia
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