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ASTM A182 F91 Flanges

Sizes in Stock

Sizes in Stock

1/2" to 24"

Sizes Can Be Manufacture

Sizes Can Be
Manufacture

Up to DN1600

UNS Designation

UNS Designation

UNS K21590

Melting Point

Melting Point

1382°C to 1529°C

Advantages

Advantages

High Tensile Strength

Supporting Material

Supporting Material

Gaskets, Nuts, Bolts

Casting Equivalent

Casting Equivalent

ASTM A217 C12A

Chromium Content

Chromium Content

8.0 to 9.5%


ASTM A182 F91 Flanges Overview

Table Of Content


Manufacturer of Alloy Steel F91 Blind Flanges in India


ASTM A182 F91 Flanges Specification


Manufacturing Size Range

F91 Flange Manufacturing Sizes

  • ½" to 24"
  • DN15 to DN1500
  • PN 2.5 to PN 400

Pressure Class

Pressure Class for A182 F91 Material

  • Class 125, Class 150
  • Class 300, Class 400
  • Class 600, Class 900
  • Class 1500, Class 2500
Faces

A182 F91 Flange Faces

  • Ring Type Joint (RTJ)
  • Flat Face (FF)
  • Raised Face (RF)
  • T&G & M&F Face

American Standard

American Standard of ASTM A182 GR F91 Flange

  • ASME B16.5
  • ASME B16.47
  • ASME B16.36
  • ASME B16.48
Manufacturing Process

ASME SA182 F91 Pipe Flange Manufacturing Process

  • Forging
  • Plate
  • and Cast
Thickness

Thickness of Alloy Steel F91 Flanges

  • Schedule 10/ 20/ 40
  • Schedule 60/ 80/ 120
  • Schedule 140/ 160/ 180

Process

ASME SA182 F91 Flanges Process

  • Forged and Drilling
  • Stamping and Milling
  • Turning and Rolled

Threads

Threads for A182 F91 Alloy Steel Flanges

  • BSP/ FPT/ NPT
  • BSPT/ MPT (Female)
  • BSPP (Male) & MNPT (Male)
Surface Finish

ASTM A182 F91 Alloy Steel Flanges Surface Finish

  • Stock & Mirror Finish
  • Smooth & Serrated Finish
  • Cold Water Finish
Bolts Hole

Bolts Hole of ASTM A182 Gr F91 Pipe Flange

  • 4 To 8
  • 4 To 24
  • 4 To 48
Application

SA182 Grade F91 Forged Flange Application

  • Ship Building
  • Oil & Gas Industry
  • OffShore Service
Packaging

Packaging for A182 F91 Class 2 Blind Flange

  • Carton Box
  • Wooden Case
  • Plastic Bag (Custom)
Suitable Environment

ASME SA182 F91 CL 1 Slip On Flange Suitable Environment

  • Sulfuric Acid
  • Phosphoric Acid
  • Seawater
Testing

Testing & Inspection of UNS K21590 Weld Neck Flange

  • Tensile Test
  • Impact Test
  • Material Inspection
Connection

Alloy Steel F91 Plate Flange Connection

  • Welding
  • Threaded
European Standard

European Standard of A182 Grade F91 Lap Joint Flange

  • EN 1092-1
  • EN 1092-2
Logistics

SA 182 Gr F91 Socket Weld Flange Logistics

  • By Sea & Air
  • UAE = 7 day
  • Saudi Arabia = 8 day
  • Qatar = 7 day
Origin

Origin of ASTM A182 Grade F91 Threaded Flange

  • Janpanese
  • American
  • Korean
  • European
German Standard

F91 Flange German Standard

  • DIN 2501/ 2573
  • DIN 2502/ 2576
  • DIN 2543/ 2633

Japanese Standard

Japanese Standard of A182 F91 Material

  • JIS B2311
  • JIS B2312
  • JIS B2220

Where We Have Supplied


Project in Kaohsiung City Taiwan
  • 12 Inch, Alloy F91 Blind Flange
  • Formosa Plastics Corp
  • Kaohsiung City, Taiwan
Project in Dhahran Saudi Arabia
  • 20 Inch, ASTM A182 Weld Neck Flange
  • Saudi Aramco
  • Dhahran, Saudi Arabia

Check A182 F91 Type 1 Slip On Flange Hardness for Petrochemical Uses


ASTM A182 F91 Hardness


Grade Brinell Hardness
ASTM A182 F91 Flanges 190 - 248 (HBW)

Applications of A182 F91 Flange


Applications of A182 F91 Flange


Refer UNS K90901 Weld Neck Flange Tensile Strength and Top Advantages as per ASME B16.5



Alloy Steel F91 Flanges Tensile Strength


Grade F91 Flange
Ultimate Tensile Strength 415 Mpa

Advantages of Using ASTM A182 F91 Alloy Steel Flanges


  • Strength at Higher Temperature
  • Mechanical Property is Superiority
  • Excellence Oxidation & Corrosive Resistance
  • Longer Service Life
  • Stability at Dimension
  • Compatibility with Welding & Fabrication

ASME SA182 F91 Type 2 Socket Weld Flange Supplier in Mumbai Offers Different Sizes and Types at Factory Price


Check SA 182 Gr F91 Socket Weld Flange Custom Sizes


Check SA 182 Gr F91 Socket Weld Flange Custom Sizes

Nominal Sizes Outside Diameter (O.D.) Flange Length Wall Thck. RF Height PCD Machine Bolt Length Weight (kg) Hub OD RF Dia. Socket Depth Socket Bore RF Stud Length
mm Inch A D B F H C E G J
80 3 190 29 22.3 2 152.4 75 3.7 108 127 21 90.7 90
65 2 1/2 180 27 20.7 2 139.7 75 3.2 90 105 19 74.6 90
50 2 150 24 17.5 2 120.7 70 2.3 78 92.1 17 61.9 85
40 1 1/2 125 21 15.9 2 98.4 65 1.4 65 73 16 49.5 70
32 1 1/4 115 19 14.3 2 88.9 55 1.4 59 63.5 14 43.2 70
25 1 110 16 12.7 2 79.4 55 0.9 49 50.8 13 34.5 65
20 3/4 100 14 11.2 2 69.9 50 0.9 38 42.9 11 27.7 65
15 1/2 90 14 9.6 2 60.3 50 0.8 30 34.9 10 22.2 55


ASTM A182 F91 Flanges Most Common Types


ASTM A182 F91 Blind Flange

ASTM A182 F91 Blind Flange

A182 F91 Weld Neck Flange

A182 F91 Weld Neck Flange

ASTM A182 Gr F91 Slip On Flange

ASTM A182 Gr F91 Slip On Flange


A182 Grade F91 Socket Weld Flange

A182 Grade F91 Socket Weld Flange

A182 Gr F91 Lap Joint Flange

A182 Gr F91 Lap Joint Flange

A182 Grade F91 Plate Flanges

A182 Grade F91 Plate Flanges


UNS K90901 Long Neck Flanges

UNS K90901 Long Neck Flanges

A182 Gr F91 Threaded Flange

A182 Gr F91 Threaded Flange

SA 182 Gr F91 Orifice Flange

SA 182 Gr F91 Orifice Flange


A182 F91 Alloy Steel Spectacle Blind Flanges

A182 F91 Alloy Steel Spectacle Blind Flanges

Alloy Steel F91 Reducing Flange

Alloy Steel F91 Reducing Flange

ASME SA182 F91 Puddle Flanges

ASME SA182 F91 Puddle Flanges



Coating Methods on A182 F91 Flange Material


  • Anti Rust Painting
  • Oil Black Paint
  • Hot & Cold Dip Galvanize
  • Yellow Transparent


View General information on SA182 Gr F91 Forged Flange Chemical Composition and Mechanical Properties


ASTM A182 F91 Chemical Composition


C

Carbon

0.08% - 0.12%

Si

Silicon

0.5%

S

Sulfur

0.01%

P

Phosphorus

0.02%

Mn

Manganese

0.3% - 0.6%

Cr

Chromium

8.5% - 9.5%

Mo

Molybdenum

0.85% - 1.05%



Mechanical Properties for ASTM A182 GR F91 Flange


Tensile Strength
Yield Strength
585 Mpa
Elongation
Elongation
20%


A182 F91 Material Equivalent


North American

UNS (North American)

  • K21590

Europe

EN (Europe)

  • X10CrMoVNb9-1

Russia

WNR (Russia)

  • 14.903


Thickness Chart of A182 F91 Alloy Steel Flanges


Outside Daimeter (O.D.) Nominal Sizes (Inch) Sch 40 Sch 20 Sch 80 Sch 120 Sch 10 Sch 30 Sch 60 Sch 100
30 30 - 0.5 - - 0.312 0.625 - -
2.375 2 0.154 - 0.218 - 0.109 - - -
1.05 ¾ 0.113 - 0.154 - 0.083 - - -
10.75 10 0.365 0.25 0.594 0.844 0.165 0.307 0.5 0.719
4.5 4 0.237 - 0.337 0.438 0.12 - - -
18 18 0.562 0.312 0.938 1.375 0.25 0.438 0.75 1.156
26 26 - - - - - - - -
42 42 - - - - - - - -
1.315 1 0.133 - 0.179 - 0.109 - - -
2.875 2 ½ 0.203 - 0.276 - 0.12 - - -
5.563 5 0.258 - 0.375 0.5 0.134 - - -
12.75 12 0.406 0.25 0.688 1 0.18 0.33 0.562 0.844
20 20 0.594 0.375 1.031 1.5 0.25 0.5 0.812 1.281
1.66 1 ¼ 0.14 - 0.191 - 0.109 - - -
3.5 3 0.216 - 0.3 - 0.12 - - -
6.625 6 0.28 - 0.432 0.562 0.134 - - -
14 14 0.438 0.312 0.75 1.094 0.25 0.375 0.594 0.938
22 22 - - - - 0.25 - - -
36 36 0.75 0.5 - - 0.312 0.625 - -
0.84 ½ 0.109 - 0.147 - 0.083 - - -
1.9 1 ½ 0.145 - 0.2 - 0.109 - - -
4 3 ½ 0.226 - 0.318 - 0.12 - - -
8.625 8 0.322 0.25 0.5 0.719 0.148 0.277 0.406 0.594
16 16 0.5 0.312 0.844 1.219 0.25 0.375 0.656 1.031
24 24 0.688 0.375 1.219 1.812 0.25 0.562 0.969 1.531

F91 Flange Forging Method


  • Upset
  • Open Die
  • Impression Die
  • Closed Die
  • Drop
  • Cold


Physical Properties of SA182 Grade F91 Forged Flange


Grade Thermal Conductivity Modulus of Elasticity Melting Point
A182 F91 Material 36 W/m·K 200 Gpa 1400°C - 1450°C

ASTM A182 F91 Density


Grade A182 F91 Flange
Density 7.8 g/cm³


Material

Types

Top 12 Advantages to Choose Shikhar Steel

Top 12 Advantages to Choose Shikhar Steel

  • NACE Certified Metal Forging Company in India Having Factory of 5,850 Square Feet in Mumbai.

  • Since 2014, PED Approved Fittings Manufacturer as per ANSI B16.9.

  • Indian Oil Approved High Temperature Pipe Fittings Supplier in UAE, Russia, Qatar, Brazil, Oman and Spain.

  • Custom Size Weld Fittings Comes with MTC 10204 Type 3.1/3.2 Suitable for Chemical and Marine Environments.

  • Over 250 Traders and Fabricators in Middle East and European Countries Import Prime Quality BLRF, SORF, WNRF and SWRF Flange Because Our Material is Accepted in ADNOC and Saudi Armco.

  • Stockholder of Ferrous and Non Ferrous Metals As Per ASTM, ASME, DIN, EN, API, JIS and BS Standard and With NDT Testing.

  • Supplying Large Diameter Elbow, Tee and Reducer to Wholesalers and Stockists in Al Jubail, Dubai, Seoul and Johannesburg at Resale Price.

  • Also Keep Custom Specification and Sizes Ex Stock With Stockholders in Bahrain, Belgium and Europe for Urgent Requirements Replacement Situations.

  • Importers in South Africa and West Africa of Premier Nickel Alloy Forging in Various Forms like Fittings & Flanges, Pipe & Tube, Plate & Sheet, Fasteners for Petrochemical and Oil Refineries.

  • Since 12+ Years, Shikhar Steel Rank in Top 4 Exporter of Stainless Steel Forgings at Competitive Price, Compare Price in India, UK, China and Germany.

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