Stainless Steel 904L Flanges

UNS Designation :

• UNS N08904

Conditions :

• Extreme Temperature

Steel Type :

• Super Austenitic

Suitable For :

• Oil Refinery

Corrosion :

• Pitting and Crevice Corrosion

Non magnetic? :

• Yes

Environments :

• High Chloride

Suitable Acids :

• Sulphuric Acids

Features :

• Superior Resistance Properties

Stainless steel 904L flanges are devices that are designed to provide stability to different piping equipment they efficiently connect. The SS 904L flanges is a non-stabilized grade designed to connect pipes, valves, tubes, and allow room for repair and maintenance. These flange have good resistance to general corrosion and reducing acids.

904L SS flanges have enhanced resistance to pitting and chloride stress corrosion cracking. These flange possess superior strength and have good mechanical properties. The 904L flanges can withstand pressures of 150 PSIG at 600 degrees F. As the temperature in these flange increase, the pressure rating drastically decreases. We are the stainless steel 904L flanges manufacturer in india who can customize all our products under the guidance of our renowned technicians.

ISO Approved F904L BLRF Flange Manufacturer in India

The AISI 904L blind flange is a versatile type of pipe grade that doesn’t possess a hub or lip. These flange help in terminating the flow of fluid and gases in the system. A UNS N08904 slip on flange has a low-profile head that is usually slid on the piping grade and welded utilizing fillet welds. These flange are seen in applications where in pressure applications stress on the system is low. The SUS 904L Long Weld Neck Flange is similar to normal weld neck flange, except it has a bigger neck that acts as a boring extension. This allows it to be used in pressurized applications.

Manufacturing Size Range :

• NPS: ½" to 24"
• DN15 To DN1500
• Contact SS 904L flanges manufacturer in India for above 48 Inch

Types Of Pressure Class :

• 150 LB & 300 LB
• 600 LB & 900 LB
• 1500 LB & 2500 LB

American Standard :

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

Maximum Size :

• 26" To 60"

Manufacturing Method :

• Forged
• Cast
• Plate

Number of Bolts Hole :

• 4 To 48

Finish :

• Cold Water Finish
• Spiral Serrated
• Stock & Smooth
• Concentric Serrated
• Mirror Finish

Face Types :

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

Threads Types :

• FPT
• BSPT
• MPT & MNPT
• NPT
• BSP

Thickness :

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

Uses :

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

Testing & Inspection :

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

Advantages :

• Concentrations Up To 35°C
• Very Good Corrosion Resistance

End Connection :

• Threaded
• Welding

Marking Formula :

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

Value Added Services :

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

Logistics :

• By Air
• By Sea
• USA = 40-60 days
• Uk = 30 day
• Germany = 20 days
• Australia = 21 days
• Norway = 45 day
• Italy = 28 day
• Portugal = 45 day

Available Packaging :

• Wooden Pallet
• Carton Box
• Wooden Cases

Documentation :

• Material traceability records
• Fumigation certificates
• Raw material test reports

Applicable Fluids :

• Steam
• Oil and Gas
• Water & Air

Forging Temperature :

• 1000°C To 1150°C

Get the MTC Guarantee When Purchasing SS 904L Weld Neck Flange for Harsh Environments

Stainless steel 904L flanges are devices that are designed to provide stability to different piping equipment they efficiently connect. The SS 904L flanges is a non-stabilized grade designed to connect pipes, valves, tubes, and allow room for repair and maintenance. These flange have good resistance to general corrosion and reducing acids.

Product :

• Stainless Steel 904L Flanges

HS Code

• 73072100

Flat Face

Raised Face

Grooved Face

Tongue Face

Ring Type Joint

Male and Female

• BSPT Threads

• NPT Threads

• BSP Threads

• BSPP Threads

• Mirror Finish

• Proof Machined Finish

• Anti-rust Paint

• Yellow Transparent

• Zinc Plated

• Serrated Finish

Refer Working Temperature and Top 5 Advantages of 904L Stainless Steel Flange

904L SS flanges have enhanced resistance to pitting and chloride stress corrosion cracking. These flange possess superior strength and have good mechanical properties. The 904L flanges can withstand pressures of 150 PSIG at 600 degrees F. As the temperature in these flange increase, the pressure rating drastically decreases. We are the stainless steel 904L flanges manufacturer in india who can customize all our products under the guidance of our renowned technicians.

• 371°C

• 700°F

Get UNS N08904 Weld Neck and Socket Weld Flange in Size Ranging From DN15 to DN1500"

A DIN 1.4539 socket weld flange is welded using a single fillet weld as pipe grades are inserted in a recessed area. These flange are seen in small pipes for high pressures. The Alloy 904L plate flange is a circular flat disc that can be welded or bolted to another pipe grade. These componentscan be customized in different specifications. SS 904L Lap Joint Flange is designed with a stub end and a ring-type sealing to seal it. These flange are useful for large flange that are difficult to adjust.

A182 Grade F904L Puddle Flanges

UNS N08904 Long Weld Neck Flanges

WNR 1.4539 Socket Weld Flanges

ASTM A182 F904L Orifice Flanges

SS 904L Plate Flanges

Stainless Steel 904L Weld Neck Flanges

A182 Grade F904L Blind Flanges

AISI 904L Lap Joint Flanges

ASME SA182 F904L Spectacle Blind Flanges

904L SS Slip On Flanges

904L Stainless Steel Reducing Flanges

SA 182 Gr F904L Threaded Flanges

Check A182 F904l Material Hardness, Chemical Composition and Tensile Strength of 904L SS Flanges

• Rockwell B (HR B) = 70-90 (max.)

• Brinell (HB) = 150 (max.)

Carbon [C] :

• 0.020% max

Manganese [Mn] :

• 2.00% maximum

Phosphorus [P] :

• 0.040% maximum

Silicon [Si] :

• 1.00% max

Chromium [Cr] :

• 19.00% – 23.00%

Nickel [Ni] :

• 23.00% – 28.00%

Molybdenum (Mo) :

• 4.00% – 5.00% max

Sulphur (S) :

• 0.030% maximum

• 71000 PSI

• 490 MPa

• 1150°C

• 2102°F

Common Desigation :

• Chromium 21%, nickel 26%, molybdenum 4.5% (904LE)

Material Suffix :

• ASTM A351 Grade CN2MCuN

Forging :

• ASTM A182 F904L

• 0.287 lbs/in3

• 7.95 g/cm3

UNS :

• UNS N08904

Werkstoff No :

• 1.4539

JIS (Japan) :

• SUS 890L

BS (England) :

• 904S13

AFNOR (France) :

• -

EN (European) :

• X1NiCrMoCu25-20-5

• 32000 PSI

• 220 MPa

Density :

• 7.95 g/cm3

Melting Point :

• 1350 °C

Elongation :

• 35%

Modulus of Elasticity :

• 190 GPa

Specific Heat :

• 0.11 BTU/lb-°F (32–212°F)