
Stainless Steel 904L Flanges Snapshot
- Sizes: 1/2″ to 48″
- Pressure Class: Class 150-2500
- HS Code: 73072100
- MTC: EN 10204 3.1 and 3.2
- Process : Forging

Stainless Steel 904L Slip On Flanges

SS 904L Blind Flanges

ASTM A182 F904L Weld Neck Flange
- Standard Specification of Stainless Steel 904L Flanges
- Pressure Ratings of SB649 F904L Blind Flanges
- Thickness Chart of UNS N08904 Reducing Flange
- 904L Stainless Steel Blind Flange Tolerances Chart
- Sizes of 904L SS Pipe Flange
- Types of Stainless Steel 904L Flanges
- Class 300 AISI 904L Weld Neck Flanges Bolt & Stud Chart
- Standards of Stainless Steel 1.4539 Tongue and Groove Flanges
- ASME SA182 Grade F904L Flange Dimension Chart
- A182 F904L Material Flanges Weight Chart
- 904L Stainless Steel Flange Applications
- Stainless Steel 904L Forged Steel Slip on Flanges Gasket Chart
- Chemical Composition of A182 F904L Ring Type Joint Flanges
- Material Equivalent of SS 904L Flanges
- Mechanical Characteristics of 904L Steel Flanges
- A182 F904L Socket Weld Flange Test
- Pressure Ratings Classes of UNS N08904 Threaded Lap Joint Flange
- 904L SS Puddle Flange Pressure Calculation
- Shapes and Types of Alloy 904L Flanges
- How Should I Choose The Right Gasket Material for Use With ASME SA182 Grade F904L Pipe Flanges ?
- Documentation of ASME SA182 F904L flanges
- Stainless Steel 1.4539 Lap Joint Flanges Equipments
- What are the Key Properties of 904L Stainless Steel Flanges?
- Heat Treatment of Stainless Steel 904L Flanges
Trusted ASTM A182 F904L Blind Flange Manufacturer in India, Check Specification
View Reliable Stainless Steel 904L Flanges Manufacturer in India Offering Flanges With Different Surface finish

- NPS: 1/2″ to 48″
- SCH: Sch 5 to XXS
- Class:150 to 2500#
- Custom Size Available

- Weld Neck
- Socket Weld
- Blind
- Slip On
- MSS SP44
- ASTM A182 | ASME SA 182
- ASME B16.5
- ASME B16.47 Series A & B
- Flange Bolts
- Gasket
- Ring Joint

- High tensile strength
- Low maintenance
- Excellent resistance

- NDT
- X-ray Detector
- Hydro test
- NPT
- BSPT
- FNPT, MNPT
- BSPP
- Forging
- Cutting
- Casting
- Rolling

- Hardness test
- Tensile
- Pressure
- PMI

- T&G
- RF
- FF
- RTJ

- Serrated
- Mirror
- Spiral/Concentric
- Smooth
- Korean
- European
- Indian
- Japan
Supplier of SS 904L Weld Neck Flange in RF/ FF/ RTJ Face, Available in Class 150 To 2500
Purchase Flanges Supplied by Stainless Steel 904L Flanges Manufacturer in India With Pressure Class up to 2500lbs
| Temperature °F | Class 300 | Class 600 | Class 1500 | Class 150 | Class 400 | Class 900 | Class 2500 |
|---|---|---|---|---|---|---|---|
| -20 to 100 | 720 | 1440 | 3600 | 275 | 960 | 2160 | 6000 |
| 200 | 600 | 1200 | 3000 | 230 | 800 | 1800 | 5000 |
| 300 | 540 | 1080 | 2700 | 205 | 720 | 1620 | 4500 |
| 400 | 495 | 995 | 2485 | 190 | 660 | 1490 | 4140 |
| 500 | 465 | 930 | 2330 | 170 | 620 | 1395 | 3880 |
| 600 | 435 | 875 | 2185 | 140 | 580 | 1310 | 3640 |
| 650 | 430 | 860 | 2150 | 125 | 575 | 1290 | 3580 |
| 700 | 425 | 850 | 2125 | 110 | 565 | 1275 | 3540 |
| 750 | 415 | 830 | 2075 | 95 | 555 | 1245 | 3460 |
| 800 | 405 | 805 | 2015 | 80 | 540 | 1210 | 3360 |
| 850 | 395 | 790 | 1980 | 65 | 530 | 1190 | 3300 |
| 900 | 390 | 780 | 1945 | 50 | 520 | 1165 | 3240 |
| 950 | 380 | 765 | 1910 | 35 | 510 | 1145 | 3180 |
| 1000 | 320 | 640 | 1605 | 20 | 430 | 965 | 2675 |
| 1050 | 310 | 615 | 1545 | 20 | 410 | 925 | 2570 |
| 1100 | 255 | 515 | 1285 | 20 | 345 | 770 | 2145 |
| 1150 | 200 | 400 | 995 | 20 | 265 | 595 | 1655 |
| 1200 | 155 | 310 | 770 | 20 | 205 | 465 | 1285 |
| 1250 | 115 | 225 | 565 | 20 | 150 | 340 | 945 |
| 1300 | 85 | 170 | 430 | 20 | 115 | 255 | 715 |
| 1350 | 60 | 125 | 310 | 20 | 80 | 185 | 515 |
| 1400 | 50 | 95 | 240 | 20 | 65 | 145 | 400 |
| 1450 | 35 | 70 | 170 | 15 | 45 | 105 | 285 |
| 1500 | 25 | 55 | 135 | 10 | 35 | 80 | 230 |
Find Leading Stainless Steel 904L Flanges Stockist in India Offering flanges with Schedule up to XXS
| NPS | O.D | Sch 10 | STD Wall O.D | Sch 40 | EXT Hvy O.D | Schedule 80 | Schedule 160 | XX Hvy |
|---|---|---|---|---|---|---|---|---|
| 1/2 | 0.84 | 0.083 | 0.109 | 0.109 | 0.147 | 0.147 | 0.188 | 0.294 |
| 3/4 | 1.05 | 0.083 | 0.113 | 0.113 | 0.154 | 0.154 | 0.219 | 0.308 |
| 1 | 1.315 | 0.109 | 0.133 | 0.133 | 0.179 | 0.179 | 0.25 | 0.358 |
| 1 1/4 | 1.66 | 0.109 | 0.14 | 0.14 | 0.191 | 0.191 | 0.25 | 0.382 |
| 1 1/2 | 1.9 | 0.109 | 0.145 | 0.145 | 0.2 | 0.2 | 0.281 | 0.4 |
| 2 | 2.375 | 0.109 | 0.154 | 0.154 | 0.218 | 0.218 | 0.344 | 0.436 |
| 2 1/2 | 2.875 | 0.12 | 0.203 | 0.203 | 0.276 | 0.276 | 0.375 | 0.552 |
| 3 | 3.5 | 0.12 | 0.216 | 0.216 | 0.3 | 0.3 | 0.438 | 0.6 |
| 3 1/2 | 4 | 0.12 | 0.226 | 0.226 | 0.318 | 0.318 | … | 0.636 |
| 4 | 4.5 | 0.12 | 0.237 | 0.237 | 0.337 | 0.337 | 0.531 | 0.674 |
| 5 | 5.563 | 0.134 | 0.258 | 0.258 | 0.375 | 0.375 | 0.625 | 0.75 |
| 6 | 6.625 | 0.134 | 0.28 | 0.28 | 0.432 | 0.432 | 0.719 | 0.864 |
| 8 | 8.625 | 0.148 | 0.322 | 0.322 | 0.5 | 0.5 | 0.906 | 0.875 |
| 10 | 10.75 | 0.165 | 0.365 | 0.365 | 0.5 | 0.594 | 1.125 | 1 |
| 12 | 12.75 | 0.18 | 0.375 | 0.406 | 0.5 | 0.688 | 1.312 | 1 |
Stainless Steel 904L Flanges Supplier in India, Delivering Heat-resistant Flanges That Perform Well in High-temperature Applications, Including Chemical Plants, Heat Exchangers.
| Stainless Steel 904L Flanges | Tolerance Table | |
|---|---|---|
| A | Outside Dia |
|
| B | Dia of contact face |
|
| H | Dia of hub at point of welding |
|
| C | Thickness |
|
| D | Inside Dia |
|
| J | Dia of hub at base |
|
| P | Drilling |
|
| K | Length of hub |
|
Buy ASTM A182 UNS N08904 Slip On Flange in 1/2 to 24 Inch Size Range at Best Price in Mumbai
- UNS N08904 Flange : 1/2″ (15 NB) to 48″ (1200NB)
- Stainless Steel 1.4539 Slip on Flange : 1/2″ NB – 12″ NB
- Stainless Steel 904L Blind Flange : 1/2″ NB – 24″ NB
Explore Stainless Steel 904L Flanges Stockist in India Providing Various types of Flanges

SB649 F904L SORF Flanges

A182 F904L 904L Forged Flanges

UNS N08904 Reducing Flanges

A182 Gr. F904L 904L BLRF Flanges

904L Stainless Steel Square Flanges

SA 182 F904L Spectacle Blind Flanges

904L Stainless Steel High Hub Blind Flanges

AISI 904L Orifice Flanges

ASTM A182 F904L Screwed Flanges

UNS N08904 Socket Weld Flanges

F904L stainless steel SWRF Flanges

Stainless Steel 904L Ring Type Joint Flanges

904L SS WNRF Flanges

Stainless Steel 904L Threaded Flanges

A182 F904L Lapped Joint Flanges

Stainless Steel 904L RTJ Flanges

SA 182 F904L Expander Flanges

Stainless Steel 904L Weld Neck Flanges Series A or B

904L SS Nipo Flange

904L SS Weldo Flange

Stainless Steel 1.4539 Groove & Tongue Flanges
| NPS | Studs & Bolts | Dia of Studs & Bolts | Length Of Studs |
|---|---|---|---|
| 1/2 | 4 | 0.50 | 2 1/4 |
| 3/4 | 4 | 0.50 | 2 1/2 |
| 1 | 4 | 0.50 | 2 1/2 |
| 1 1/4 | 4 | 0.50 | 2 3/4 |
| 1 1/2 | 4 | 0.50 | 2 3/4 |
| 2 | 4 | 0.63 | 3 1/4 |
| 2 1/2 | 4 | 0.63 | 3 1/2 |
| 3 | 4 | 0.63 | 3 1/2 |
| 3 1/2 | 8 | 0.63 | 3 1/2 |
| 4 | 8 | 0.63 | 3 1/2 |
| 5 | 8 | 0.75 | 3 3/4 |
| 6 | 8 | 0.75 | 4 |
| 8 | 8 | 0.75 | 4 1/4 |
| 10 | 12 | 0.88 | 4 1/2 |
| 12 | 12 | 0.88 | 4 3/4 |
| 14 | 12 | 1.00 | 5 1/4 |
| 16 | 16 | 1.00 | 5 1/4 |
| 18 | 16 | 1.13 | 5 3/4 |
| 20 | 20 | 1.13 | 6 1/4 |
| 24 | 20 | 1.25 | 6 3/4 |
Stainless Steel 904L Flanges Manufacturer in India, Providing Material Known For Their Heat Resistance, Making Them a Reliable Choice For Furnace Reactors, and Other Temperature Industrial Applications.
Discover Stainless Steel 904L Flanges Stockist in India Offering flanges that meets global standards
| Standards | |
|---|---|
| GOST Flange | BS 10 |
| JISB2220 | EN-1092 |
| BS1560-3.1 | DIN |
| API7S-15 | ISO70051 |
| API7S-43 | ASME/ANSI 16.36 |
| API605EN1092 | BS4504 |
| ANSI/ASME 16.47A/16.47B | B16.48 |
Check AISI 904L Socket Weld Flange Dimensions and Weight Chart as Per ASME B16.5 Standard
| Standard | Class | Bolt Circle Dia | Bolt Size | Dia of Bolt Hole | Dia | No of Bolts |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 67 | M12 | 14 | 95 | 4 |
| AS 2129 Flange | Table C | 67 | 13 | 14 | 95 | 4 |
| Table D | 67 | 13 | 14 | 95 | 4 | |
| Table E | 67 | 13 | 14 | 95 | 4 | |
| Table F | 67 | 13 | 14 | 95 | 4 | |
| Table H | 83 | 16 | 17 | 114 | 4 | |
| Table J | 83 | 16 | 17 | 114 | 4 | |
| ANSI B16.5 | ANSI 150 | 60 | 13 | 16 | 89 | 4 |
| ANSI 300 | 67 | 13 | 16 | 95 | 4 | |
| ANSI 600 | 67 | 13 | 16 | 95 | 4 | |
| ANSI 900 | 83 | 19 | 22 | 121 | 4 | |
| ANSI 1500 | 83 | 19 | 22 | 121 | 4 | |
| ISO 7005 Flange DIN | PN6 | 55 | M10 | 11 | 80 | 4 |
| PN10 | 65 | M12 | 14 | 95 | 4 | |
| PN16 | 65 | M12 | 14 | 95 | 4 | |
| PN20 | 60.5 | M14 | 16 | 90 | 4 | |
| PN25 | 65 | M12 | 14 | 95 | 4 | |
| PN40 | 65 | M12 | 14 | 95 | 4 |
| NPS | Socket Weld | Threaded | Slip On | Blind | Lap Joint | Weld Neck |
|---|---|---|---|---|---|---|
| 1 | 3.5 | 3.5 | 3.5 | 4 | 3.5 | 4 |
| ¾ | 3 | 3 | 3 | 3 | 3 | 3.5 |
| ½ | 2 | 2 | 2 | 2 | 2 | 3 |
| 1½ | 6.5 | 6.5 | 6.5 | 8 | 6.5 | 8 |
| 2 | 8 | 8 | 8 | 10 | 8 | 10 |
| 14 | 191 | 191 | 191 | 310 | 210 | 233 |
| 16 | 253 | 253 | 253 | 398 | 280 | 295 |
| 1¼ | 4.5 | 4.5 | 4.5 | 6 | 4.5 | 4.5 |
| 2½ | 12 | 12 | 12 | 15 | 11 | 14 |
| 3 | 15 | 15 | 15 | 20 | 14 | 18 |
| 4 | 26 | 26 | 26 | 33 | 25 | 35 |
| 5 | 31 | 31 | 31 | 44 | 29 | 43 |
| 3½ | 21 | 21 | 21 | 29 | 20 | 26 |
| 6 | 44 | 44 | 44 | 61 | 42 | 57 |
| 10 | 91 | 91 | 91 | 155 | 110 | 125 |
| 12 | 130 | 130 | 130 | 226 | 152 | 175 |
| 8 | 67 | 67 | 67 | 100 | 64 | 89 |
| 22 | 405 | 405 | 405 | 720 | 455 | 505 |
| 18 | 310 | 310 | 310 | 502 | 345 | 360 |
| 20 | 378 | 378 | 378 | 621 | 420 | 445 |
| 24 | 539 | 539 | 539 | 936 | 615 | 640 |
- Paper & pulp
- Chemical Processing
- Oil & Gas
- Pharmaceuticals
| NPS | Gasket I.D | Gasket O.D | ||||
|---|---|---|---|---|---|---|
| 300 (LB) | 600 (LB) | 150 (LB) | 900 (LB) | 400 (LB) | ||
| 1/2 | 0.84 | 2.125 | 2.125 | 1.875 | 2.50 | 2.125 |
| 3/4 | 1.06 | 2.625 | 2.625 | 2.25 | 2.75 | 2.625 |
| 1 | 1.31 | 2.875 | 2.875 | 2.625 | 3.125 | 2.875 |
| 1 1/4 | 1.66 | 3.25 | 3.25 | 3 | 3.50 | 3.25 |
| 1 1/2 | 1.91 | 3.75 | 3.75 | 3.375 | 3.875 | 3.75 |
| 2 | 2.38 | 4.375 | 4.375 | 4.125 | 5.625 | 4.375 |
| 2 1/2 | 2.88 | 5.125 | 5.125 | 4.875 | 6.50 | 5.125 |
| 3 | 3.50 | 5.875 | 5.875 | 5.375 | 6.625 | 5.875 |
| 4 | 4.50 | 7.125 | 7.625 | 6.875 | 8.125 | 7.00 |
| 5 | 5.56 | 8.50 | 9.50 | 7.75 | 9.75 | 8.375 |
| 6 | 6.62 | 9.875 | 10.50 | 8.75 | 11.375 | 9.75 |
| 8 | 8.62 | 12.125 | 12.625 | 11 | 14.125 | 12.00 |
| 10 | 10.75 | 14.25 | 15.75 | 13.375 | 17.125 | 14.125 |
| 12 | 12.75 | 16.625 | 18.00 | 16.125 | 19.625 | 16.50 |
Stainless Steel 904L Flanges Supplier in India, Offering Durable Flanges Designed for Demanding Industrial Applications in Marine, Chemical and Other Industries.
Refer to the ASME SA182 Grade F904L Pipe Flanges Chemical Composition and Equivalent Grades
Mn
Manganese
2%
Mo
Molybdenum
4-5%
Cr
Chromium
19-23%
Si
Silicon
1%
P
Phosphorus
0.04%
P
Phosphorus
0.045%
S
Sulfur
0.03%
Ni
Nickel
23-28%
| STANDARD | UNS | BS | AFNOR | WERKSTOFF NR. | JIS | KS | EN |
|---|---|---|---|---|---|---|---|
| SS 904L | N08904 | 904S13 | Z2 NCDU 25-20 | 1.4539 | SUS 904L | STS 317J5L | X1NiCrMoCu25-20-5 |
| Melting Point | Yield Strength | Density | Elongation | Tensile Strength |
|---|---|---|---|---|
| 1350 °C (2460 °F) | 32000 (Psi), 220 (MPa) | 7.95 g/cm3 | 35 % | 71000 (Psi) , 490(MPa) |

- 600 LBS
- 300 LBS
- 2500 LBS
- 150 LBS
- 1500 LBS
- 900 LBS
Get Alloy 904L Quote Immediately For Your Projects
| DIN/JIS/UNI/EN | |
|---|---|
| PN25 | 6Bar |
| PN10 | 16Bar |
| PN64 | 25Bar |
| PN6 | 10Bar |
| PN40 | |
| PN16 | 40Bar |
- Small Tongue
- Ring Type Joint (RTJ)
- Groove
- Raised Face (RF)
- Flat Face (FF)
- Large Male-Female (LMF)
- Large Tongue & Groove
- Small Male-Female (SMF)
- Lap-Joint Face (LJF)
Stainless Steel 904L Flanges Supplier in India, Specializing in Custom Flanges That Provide Performance in Corrosive Environments, Useful in Power Plants.
- Chemical Compatibility
- Considering of Pressure & Temperature Conditions
- Sealability Requirements
- Gasket Material’s Mechanical Properties
- Compression Characteristics
- Resistance to Corrosion
- Industry Standards and Certifications
- Gasket Maintenance & Installation

| Export To | Continent | Shipping Time in Days | Port |
|---|---|---|---|
![]() Italy |
Europe | 28 | Genoa |
![]() Spain |
Europe | 30 | Barcelona |
![]() South Africa |
Africa | 25-30 | Mossel Bay Harbour |
| Export to | Continent | Shipping Time in Days | Port |
|---|---|---|---|
![]() Oman |
Asia | 5 | Salalah |
![]() Bahrain |
Asia | 9 | Khalifa Bin Salmanq |
![]() Kuwait |
Asia | 10 | Shuwaikh |
- Bending Machine
- Sand-blasting Machine
- Electric Bevelling Machine
- Pushing Machine
- Press Machine
- Excellent Resistance to Stress Corrosion Cracking
- High Resistance to Pitting & Crevice Corrosion
- Good Formability & Weldability
- Strong Resistance to Intergranular Corrosion
| Method | Temp (°C) |
|---|---|
| Heat Treatment | 1090-1175 |






