Stainless steel 904l flanges

stainless steel 904L flange

904L is an austenitic grade of stainless steel. It is notably softer than 316L grade, but it has added molybdenum in its chemical composition which enhances its corrosion resistance properties. The Stainless Steel 904l Flanges can effectively resist localized attacks by chlorides and it can also withstand reducing acids. The 904L Stainless Steel Flanges also have copper added, which enables it to resist sulphuric acid environment. Thus, it can be said that the 904L SS Flanges can resist a wide range of service environments. Due to these properties, the SA 182 904L Plate Flange is extensively used in the process industry for producing sulfate-based fertilizers.

The SA 182 F904L WNRF Flange has limited usage with hydrochloric acids. The A182 F904L Slip On Flange shows high resistance to pitting in the chloride solutions. The ASTM A182 Grade F904L Threaded Flange can also resist crevice and stress corrosion cracking. As the alloy of 904L Stainless Steel Industrial Flange contains high quantities of nickel and molybdenum, it shows enhanced properties. The UNS N08904 Screwed Flange can also resist the precipitation of ferrite and sigma phase on welding and cooling The A182 Gr F904L Ring Type Joint Flange does not shows any signs of intercrystalline corrosion on welding or cooling due to their low carbon content. However, the F904L stainless steel Orifice Flange can attain a maximum service temperature of 450 degrees C.

The SUS 904L Socket Weld Flange material is non-magnetic and it possesses high weldability and formability. The AISI 904L Reducing Flange is also known for its enhanced toughness. The SA 182 Gr F904L Spectacle Blind Flange contains high quantities of expensive content in its chemical composition, such as molybdenum and copper, and thus, it is quite costly too. Due to its high cost, the 904L SS Weld Neck Flange is now replaced with the cheaper alternatives, like 2205 duplex stainless steel. The SS 904L Lapped joint Flange is also found in seawater cooling equipment and gas washing machines.

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SS 904l blind flange and ASTM A182 F904l slip on flanges suppliers in UAE

ASTM B564 UNS N08904 specification


Stainless Steel 904l Flanges Specification

USA – ASTM/ ASME specification SA 182 F904L meaning ASTM A182 Grade F904L density
  • ASTM A182 F904L
  • ASME SA 182 Gr 904L
  • American specification for 904L stainless steel forged flanges
  • 7.95(g/cm3)
Sizes of 904L stainless steel flange Pressure class Tempurature limit
  • 1/2″ to 48″
  • 15NB – 1200NB
  • PN 2.5 – PN 400

Send your drawing to above stainless steel 904l flanges suppliers & manufacturers for best quote

  • 150#
  • 300#
  • 600#
  • 900#
  • 1500#
  • 2500#
  • 1150 °C
  • 2102 °F

SS 904L flange is suitable to install in various petrochemical plants in Saudi Arabia, Oman & Qatar, get latest price & lead time

ASME SA182 F904L flanges finish Types Manufacturing technique
  • Concentric Serrated
  • Smooth Finish
  • Serrated finish
  • Mirror finish / Cold Water Finish
  • Spiral Serrated
  • Stock Finish – 125- to 250-μin
  • A182 F904L socket weld flanges
  • ASME SB 649 UNS N08904 LWN flanges (Long weld neck)
  • EN 1.4539 blind flanges
  • AISI 904L threaded flanges
  • ASTM A182 F904L reducing flange
  • ASTM B649 UNS N08904 lap joint flanges
  • 904L SS weld neck flanges
  • A182 Gr. F904L slip on flanges
  • ASTM A182 F904L forged flange (Most popular) / Stainless steel 904L blind flange
  • ASTM A240 Gr 904L plate flange / ASTM A240 904L
  • ASTM A995 SS 904L cast flange / ASTM A351 CN2MCuN
Types of ASTM A182 Grade F904L blind flanges Types of ASME SB 564 UNS N08904 weld neck flanges Types of ASTM A182 GR F904L slip on flanges
  • F904L raised face blind flange
  • UNS N08904 ring type joint blind flange
  • Stainless steel 904L threaded blind flange
  • DIN 1.4539 flat face blind flange
  • A 182 F904L forged blind flange
  • A182 F904L material flat face weld neck flange
  • A182 Gr F904L material raised face weld neck flange
  • SS 904L long weld neck flange
  • AISI 904L stainless steel ring type joint weld neck flange
  • 904L stainless steel threaded slip on flange
  • 1.4539 stainless steel forged slip on flange
  • SA 182 F 904L flat face slip on flange
  • Werkstoff No 1.4539 ring type joint slip on flange
  • F904L stainless steel raised face slip on flange
904L stainless steel flange marking German standard of A182 F904L flange Applications and installations
  • Origin of material
  • Face type
  • Material grade
  • Pressure class
  • ASTM/ ASME standard
  • Manufacturers logo / name
  • Sizes
  • Manufacturing date
  • DIN 2578, 2573 Type 1 – flat
  • DIN 2527 Type 5 – blind DIN 2627 to 2638 Type 11 – Weld neck
  • DIN 2558, 2565, 2566, 2567, 2568, 2569 Type 12 – threaded
  • DIN 2622, 2641, 2655, 2656 Type 2, 4 Lapped
  • Petrochemical plants
  • Construction & mechanical systems
  • industrial pressure vessels
  • Power generation plant
  • Industrial piping connection (High/ Low pressure)
  • Nuclear energy sector

All top 10 stainless steel 904l flanges suppliers are genuine and supplied ASTM A182 Grade F904L forged
flanges to South Africa, Middle east, Egypt, USA, Oman & Saudi Arabia

Stainless steel 904L flanges meet the requirements of Thread/screwed types of companion or ASME SB 649 UNS N08904 threaded flanges Value added service
  • NACE TM-0284
  • NACE MR0103
  • NACE MR0175
  • ISO 15156
  • Sour service
  • FPT thread
  • BSPT thread (Female)
  • MNPT thread (Male)
  • BSPP thread (Female & male)
  • MPT thread
  • FNPT thread (Female) – ASME B1.20.1
  • NPT thread
  • BSP thread
Above listed stainless steel 904l flanges suppliers & manufacturers offer these services:

  • Threading
  • Casting
  • Drilling
  • Forging
  • Fastest delivery in Saudi Arabia & Middle east
  • CNC machined
  • Fabricate (100% Radiography)
  • Polishing
  • Cutting
  • Metal stampings
  • Minor Fabrication
  • Pickled
  • Electroplating
  • MTR’s Available
  • De-burring
  • Sand Blasting
  • Tagging & marking
  • Beveling end
  • Rolling
  • Heat Treatment (Hardening & Tempering)
ASME & ANSI standard list of ASTM A182 GR F904L flanges A182 F904L material inspection criteria Origin country and manufacturing standards
  • ASME B16.5 – SUS 904L Forged Flanges, NPS 1/2 to 24inch
  • ASME B16.34 – A 182 F904L large diameter flanges (26 to 60 NPS)
  • ASME B16.21 – Non metallic Flat Gaskets for Flanges
  • ASME/ ANSI B16.1 – Gray Iron (Gi) Flanges a nd Flanged Fittings: CL 25, Cl 125, and CL 250
  • ASME B16.20 – RTJ Gaskets for Pipe Flanges
  • ASME B16.24 – Cast Copper Flanges: Class 150 to 2500
  • ASME B16.36 – A182 Gr. F904L orifice flanges
  • ASME B16.42 – Ductile iron flange, CL 150
    and Cl 300
  • ASME B16.47 – ASTM A182 F904L large diameter flanges (26 to 60 Normal pipe size)
  • Verify F904L flanges are manufactured as per the work order
  • Visual inspection
  • 904L SS flanges a dimensional check by ruler, calibrated caliper or tape
  • Shell pressure test
  • Hardness test
  • (PMI) – Important test to check chemical composition
  • Tensile test
  • Material inspection
  • Impact test
  • Dry film thickness check
  • UNS N08904
  • WNR 1.4539
  • Malaysia – MS 253
  • ASTM A182 F904l
  • Malaysia – MS 816
  • USA – ASME B16.5
  • Europe – PN 10 to PN400
  • Germany – DIN
  • ASME SA 182 F904l
  • Europe – BS EN 1092-1
  • Japan – JIS
  • Australia and UK – BS 10
  • USA – ANSI B16.5
  • Russia – Ghost
  • USA – API-605
  • Europe – BS EN 1092-3 (Alloy)
  • USA – MSS SP44
  • Italy – UNI 2276/ 6091
  • UK & Australia – BS 10
  • Europe – BS EN 1092-1 (Steel)
  • USA – AWWA
  • Europe – BS EN 1092-2 (Iron)
  • Europe – EN
  • Europe – PN
  • Germany – DIN
  • USA – ANSI
  • Japan – JIS
  • USA – MSS SP44
  • Malaysia – MS 253
  • France – NF E 29-200/ NF E 29-203
  • Europe – ISO 7005
  • USA – AWWA
  • Korea – KS
  • Italy – UNI 2276/ 6091
  • Russia – Ghost
  • Malaysia – MS 816
  • USA – ASA
  • USA – CL 125 (Light weight)
  • China – GB/T 9112 / 9119
  • Australia – AS 2129
  • USA – API-605
  • Canada – CSA B16.5/ B16.47
American standards Other special 904L stainless steel flange Bolt Hole
  • SA 182 GR F904L ring spacer flange
  • DIN 1.4539 anchor flange
  • ASTM B564 UNS N08904 spade flange
  • 1.4539 stainless steel reducing flange
  • EN 1.4539 swivel flange
  • A182 Gr F904L orifice plate
  • SS 904L expander flange
  • F904L stainless steel high hub blind flange

For custom design or fabrication work contact above listed top 10 stainless steel 904l flanges maufacturers

  • 4 to 24

Check class 150 to 2500 SA 182 904l plate flange dimensions and specifications

SS 904L flanges faces types

ASTM B564 UNS N08904 blind flange

ASTM B564 UNS N08904 blind flange

ASME SB 564 UNS N08904 BLRF flange

ASME SB 564 UNS N08904 BLRF flange

ASTM B649 UNS N08904 weld neck flange

ASTM B649 UNS N08904 weld neck flange

ASME SB 649 UNS N08904 SWRF flange

ASME SB 649 UNS N08904 SWRF flange

Stainless steel 904L socket weld flange

Stainless steel 904L socket weld flange

904L stainless steel slip on flange

904L stainless steel slip on flange

ASTM A182 F904L WNRF flange

ASTM A182 F904L WNRF flange

SS 904L long weld neck flange

SS 904L long weld neck flange

904L SS threaded flange

904L SS threaded flange

ASTM UNS N08904 reducing flange

ASTM UNS N08904 reducing flange

SB 564 N08904 SORF flange

SB 564 N08904 SORF flange

AISI 904L lap joint flange

AISI 904L lap joint flange

SUS 904L plate flanges

SUS 904L plate flanges

Full name Short name Material
A182 GR F904L flat face flanges FF ASTM A182 F904L FF Blind
904L stainless steel raised face flanges RF SA 182 F904L SORF
ASME SB 564 UNS N08904 ring joint flanges RTJ ASTM A182 grade 904L RTJ
ASME SA182 Grade F904L lap joint flanges LJ Stainless steel 904L LJF
UNS N08904 stainless steel male and female flanges M&F SA 182 grade 904L M&F
Stainless steel 904l flanges large and small tongue and groove flanges T&G Stainless steel 904L T&G

ASTM A182 Gr F904L chemical composition

Grade Nickel Manganese Sulfur Copper Chromium Carbon Phosphorus Silicon Molybdenum
Stainless steel 940l flanges 23.00-28.00 2.00 0.030 1.00-2.00 19.00-23.00 0.020 0.040 1.00 4.00-5.00

SA 182 Gr F904L mechanical properties

Grade Proof (MPa) minimum Yield Strength 0.2% Elongation (% in 50mm) minimum Tensile Strength (MPa) minimum Hardness
Rockwell B (HR B) maximum Brinell (HB)
maximum
SS 904l flanges 220 36 490 70-90 150

A182 GR F904L equivalentt

Standard WERKSTOFF NR. UNS EN GOST JIS
904L SS flanges 1.4539 N08904 X1NiCrMoCu25-20-5 SUS 904L

Stainless Steel 904l Flanges Properties

ASTM A182 F904L flange temperature range

  • 1150 °C
  • 2102 °F

SUS 904L hardness

Grade (MPa) minimum Tensile Strength Hardness
(HB) maximum Brinell
ASTM A182 F904L flange 490 150

Manufacturing standard of 904L stainless steel flange

Manufacturing Method ASTM specification
INOX 904L forged flanges
  • ASTM A182 F904L
SA 182 F 904L machined flanges (Made from Bar stock)
  • ASTM B649 904L
A182 904L plate flange
  • ASTM A240 904L
AISI 904L stainless steel cast flange
  • ASTM A351
  • CN2MCuN

Diameter and number of the bolt holes in stainless steel 904L pipe flanges

Pressure class Hole
ASTM A182 F904L Class 150 flanges 25.4 mm/ 12 holes
AISI 904L Class 300 flanges 28.6 mm / 16 holes
904L SS Class 400 flanges 34.9 mm / 16 holes
EN 1.4539 Class 600 flanges 34.9 mm/ 20 holes
F904L Class 900 flanges 38.1 mm/ 20 holes
INOX 904L Class 1500 flanges 54 mm/ 16 holes
A182 Gr F904L Class 2500 flanges 73mm / 12 holes

Common designation of stainless steel 904L flanges

Common Designation Forging Specification Service Recommendations (1) UNS Designation Material Suffix Wrought Bar Specification
21 chromium, 26 nickel, 4.5 molybdenum 904LE ASTM A182 F904L NO8904 ASTM A351
Grade CN2MCuN
ASTM A240 904L

Pressure class rating of SA 182 GR F904L flange

Flange type ASME/ ANSI B16.5 ASME/ ANSI B16.47 (Series A/ MSS SP44) ASME/ ANSI B16.47 (Series B/ API605)
Size: 0.5″ to 24″ Size: 26″ to 60″ Size: 26″ to 60″
1.4539 stainless steel weld neck flange Class 150-2500 Class 150-2500 Class 150-2500
Stainless steel 904L long weld neck flange Class 150-2500 Class 150-2500 Class 150-2500
A182 Gr. F904L slip on flange Class 150-1500
SUS 904L lap joint flange Class 150-2500
A 182 F904L blind flange Class 150-2500 Class 150-2500 Class 150-2500
A182 GR F904L socket weld flange Class 150-1500
SA 182 F904L threaded flange Class 150-2500

Direct buy from the leading manufacturers of Aisi 904l weld neck flange at an affordable price in Bahrain, check a182 f904l threaded flanges test reports and MTC.

The SA182 F904L Blind Flange comes with a Rockwell Hardness value of less than 95, which is very typical for most grades of stainless steel. However, it is capable of withstanding most of the forces, which is very crucial.

Buy SUS 904l socket weld flange and din 1.4539 reducing flanges in a smooth finish with material test certificate

The ASTM A182 904L Forged Flange is manufactured by heating the steel billet. It is then compressed with the help of a press, power hammer, or die to give it the desired shape. This procedure helps in the development of continuous grain flow, which enhances the strength of the flange.

Get direct quotes from verified suppliers & manufacturers of inox 904l RTJ flange in the middle east and Africa, view ss 904l lapped joint flanges price Dubai

The Inox 904L RTJ Flange looks like a metallic ring that comes with a deep groove and cuts on its face. The groove can rest on the metal ring that gets compressed when the connecting bolts of the flange are tightened. This ensures leakage-free and close fitting seals on the connection.
The ASTM A182 F904L Lap Joint Flange comes with a two-component assembly. It has a stub end on which the lap joint ring flange will be placed. This connection is very useful for large and hard-to-adjust flanges.