What Is ASTM A182 F51 Material?

These ASTM A182 F51 flange have a good composition of chromium, nickel, molybdenum, and nitrogen, allowing them to possess enhanced resistance to reducing and corrosive media. UNS S31803 Flanges have excellent strength with good impact toughness.

ASTM A182 F51 Flange

Carry Stock of UNS S31803 Blind Flanges in DN15 To DN1200 Sizes

ASTM A182 F51 Blind Flange Price List

  • Face = Raised Face

  • Class = 150#

  • Standard = ASME B16.5

  • SCH = SCH 40

Size Price in US (Dollar) Price in Dirham (UAE) Price in Malaysian Ringgit (Malaysia) Price in Thai Baht (Thailand)
DN15 US $7.27 AED 26.70 MYR 32.52 THB 247.76
DN25 US $9.34 AED 34.31 MYR 41.78 THB 318.31
DN32 US $13.49 AED 49.55 MYR 60.35 THB 459.74
DN40 US $18.23 AED 66.96 MYR 81.56 THB 621.28
DN50 US $23.04 AED 84.63 MYR 103.08 THB 785.20
DN80 US $38.92 AED 142.95 MYR 174.12 THB 1326.39
DN90 US $56.64 AED 208.04 MYR 253.40 THB 1930.29
DN100 US $72.30 AED 265.56 MYR 323.46 THB 2463.98
DN125 US $121.35 AED 445.72 MYR 542.91 THB 4135.61
DN150 US $174.39 AED 640.53 MYR 780.21 THB 5943.21
DN200 US $250.70 AED 920.82 MYR 1,121.62 THB 8543.85

A182 F51 Material Specification

Size Range :

Size Range :

  • DN15 To DN1500
  • PN2.5 To PN400
  • NPS: ½" to 24"
  • Contact ASTM A182 F51 flange manufacturer in India for above 48 Inch
Pressure Class :

Pressure Class :

  • Class 150 and 300
  • Class 600 and 900
  • Class 1500 and 2500
Maximum Size :

Maximum Size :

  • 26" To 60" As Per ASME B16.47
Manufacturing Process :

Manufacturing Process :

  • Plate
  • Forged
  • Cast
Number of Bolts Hole :

Number of Bolts Hole :

  • 4 To 48
A182 F22 Forging Temperature :

A182 F51 Forging Temperature :

  • -60°F
Advantages :

Advantages :

  • Corrosion Resistance
Surface :

Surface :

  • Mirror finish
  • Stock finish
  • Polished finish
Service Temperature (Max) :

Service Temperature (Max) :

  • 300°C
Face Types :

Face Types :

  • RF Face
  • FF Face
  • Tongue & Groove Face
  • RTJ Face
  • Male & Female Face
Threads :

Threads :

  • BSPT Threads
  • MPT & MNPT Threads
  • NPT Threads
  • BSP Threads
  • FPT Threads
Thickness :

Thickness :

  • SCH 10/ 20/ 40
  • SCH 60/ 80/ 100
  • SCH 120/ 140/ 180
Uses :

Uses :

  • Power Generation
  • Nuclear Energy
  • Oil & gas plants
  • Petrochemicals
Testing :

Testing :

  • Impact test
  • Material inspection
  • Hardness test
  • PMI test
  • Tensile test
Melting Point

Melting Point

  • 2588°F To 2669°F
End Method :

End Method :

  • Threaded
  • Welding
Marking Method :

Marking Method :

  • Standard & Heat No.
  • Grade & Material
  • Manufacturers Name
  • Size & Schedule
UNS :

UNS :

  • UNS S31803
DIN Standards :

DIN Standards :

  • DIN 2527
  • DIN 2501
  • DIN 2576
  • DIN 2561
  • DIN 2632
  • DIN 2633
EN Standards :

EN Standards :

  • EN 1092-1
  • EN 1092-2
  • EN 1092-1 TYPE 01
  • EN 1092-1 TYPE 02
  • EN 1092-1 TYPE 05
  • EN 1092-1 TYPE 11
  • EN 1092-1 TYPE 13
JIS Standard :

JIS Standard :

  • JIS B2220
AWWA Standard :

AWWA Standard :

  • AWWA c207
BS Standard :

BS Standard :

  • BS4504
Value Added Services :

Value Added Services :

  • Minor Fabrication
  • Polishing
  • Beveling end
  • Casting
  • Threading
Logistics :

Logistics :

  • By Sea
  • By Air
  • Kuwait = 10 day
  • Singapore = 8 days
  • Malaysia = 10 day
  • Philippines = 14 day
  • UAE = 5 day
  • Indonesia = 9 days
  • Oman = 5 days
  • Bahrain = 9 day
Packaging  :

Packaging :

  • Wooden Pallet
  • Carton Box
  • Wooden Cases

Duplex F51 Slip On Flanges Manufacturer in India, See Temperature Range

A182 F51 Temperature Range

Temperature Range Allowable Stress
100°F 30.0 KSI
200°F 30.0 KSI
300°F 28.9 KSI
400°F 27.8 KSI
500°F 27.2 KSI
600°F 26.9 KSI

Trusted Source Of A182 F51 Duplex Weld Neck Flange Which is Required for Gas Processing

Application of ASTM A182 F51 Flange

Application of ASTM A182 F51 Flange
Check ASTM A182 F51 Material Chemical Composition and Impact Test

ASTM A182 Gr F51 Chemical Composition

Carbon [C] :

Carbon [C] :

  • 0 To 0.03%
Manganese [Mn] :

Manganese [Mn] :

  • ≤2.00%
Phosphorus [P] :

Phosphorus [P] :

  • 0 To 0.03%
Sulfur [S] :

Sulfur [S] :

  • 0 To 0.02%
Silicon [Si] :

Silicon [Si] :

  • ≤1.00%
Chromium [Cr] :

Chromium [Cr] :

  • 21.00 To 23.00%
Molybdenum [Mo] :

Molybdenum [Mo] :

  • 2.50 To 3.50%
Nickel [Ni] :

Nickel [Ni] :

  • 4.50 To 6.50%
Nitrogen [N] :

Nitrogen [N] :

  • 0.08 To 0.20%

Impact Test for ASTM A182 UNS S31803 Pipe Flanges

  • Impact test temperature = -60°F [-51°C]

Also View ASME SA182 Grade F51 Forged Flanges Equivalent Casting and Yield Strength

A182 F51 Material Equivalent

Grade :

  • ASTM A182 F51 Flange

UNS :

  • UNS 31803

WNR :

  • 1.4462

SUS :

  • SUS 329J3L

Equivalent Casting :

  • A890 Grade 4A

Hardness for Duplex F51 Slip On Flanges

Brinell Hardness Rockwell B Hardness
250 To 300 HB 90 To 98 HRB

Density for F51 Duplex Stainless Steel Flanges

  • Density = 7.8 g/cm 3

F51 Duplex Steel Weld Flanges Yield Strength

  • 460 MPa

  • 67 KSI

ASME SA182 Grade F51 Forged Flanges Heat Treatment

Heat Treatment Temperature
Solution Annealing 1020 To 1100°C
Stress Relieving 650 To 750°C
Quenching Cool Below 500°F

Chromium Content of ASTM A182 Grade F51 Blind Flanges

Minimum Maximum
21% 23%

ASTM A182 F51 Mechanical Properties

Tensile Strength :

  • 620 Mpa

Specific Heat Capacity :

  • 1375°C

Thermal Conductivity :

  • 440 J/(kg·K)

Types Of ASTM A182 F51 Flange

 ASTM A182 UNS S31803 Slip On Flange

ASTM A182 UNS S31803 Slip On Flange

ASTM A182 S31803 Weld Neck Flange

ASTM A182 S31803 Weld Neck Flange

F51 Duplex Steel Blind Flange

F51 Duplex Steel Blind Flange

A182 F51 Plate Flange

A182 F51 Plate Flange

A182 Gr F51 Spectacle Blind Flanges

A182 Gr F51 Spectacle Blind Flanges

ASME SA182 F51 Threaded Flange

ASME SA182 F51 Threaded Flange

A182 F51 Duplex Socket Weld Flange

A182 F51 Duplex Socket Weld Flange

ASTM A182 Grade F51 Long Weld Neck Flange

ASTM A182 Grade F51 Long Weld Neck Flange

F51 Duplex Lap Joint Flange

F51 Duplex Lap Joint Flange

ASTM A182 F51 UNS S31803 Orifice Flanges

ASTM A182 F51 UNS S31803 Orifice Flanges

WNR 1.4462 F51 Reducing Flange

WNR 1.4462 F51 Reducing Flange

F51 Duplex Stainless Steel Flat Face Flange

F51 Duplex Stainless Steel Flat Face Flange


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