Stainless Steel 304 Flange
Biggest ASTM A182 F304 Flanges Manufacturer In India, Suppliers Of SS 304 Blind Flange In Mumbai.
Largest supplier of small-quantity Of SA 182 Gr F304 Socket Weld Flanges, Check FNPT A182 F304 Flange Dimensions In MM, Buy Welded ASME SA182 Stainless Steel 304 Pipe Flanges At Factory Price In India.
ASTM A182 F304 are made up of a chemical alloy that contains 18% chromium and 8% nickel. The A182 F304 Material is specified by the austenitic chromium nickel steel alloy. A182 Grade F304 BLRF is a member of blind raised face (BLRF) flanges. These are usually used at the end of lines. These could also be used as inspection covers in systems where they are easy to remove and close. A182 Gr F304 SORF have a slip on raised face (SORF) and are usually attached to the pipe by fillet welding. You can get our SS 304 Flanges Price List by contacting us.

ASTM A182 F304 Flanges

SS 304 Blind Flange

Stainless Steel 304 Flanges
Table of contents
- What Is F304 Material?
- SS 304 Flange Price List In India
- SA 182 F304 Specification
- Types Of ASTM A182 F304 Flanges
- ASTM A182 F304 Slip On Flange
- ASTM A182 Gr F304 Socket Weld Flange
- ASTM A182 Grade F304 Blind Flange
- ASTM A182 Grade F304 Weld Neck Flange
- ASME SA182 F304 Threaded Flange
- SA 182 Gr F304 Lap Joint Flange
- 304 SS Long Weld Neck Flanges
- Stainless Steel 304L Spectacle Blind Flange
- 304 Stainless Steel Spade Flange
- Stainless Steel 304 Flange Ring Spacer
- ASTM A182 F304 Nipo Flange
- A182 F304 Weldo Flange
- ASTM A182 gr F304 Flange olet
- A182 Gr F304 Bleed Ring Flange
- SS 304 Forged Flanges
- Stainless Steel 304 Plate Flange
- ASTM A182 Gr F304 Pipe Flanges Dimensions
- A182 Gr F304 Blind Flanges Weight Chart
- Stainless Steel 304 Flanges Pressure Ratings
- ASTM A182 F304 Chemical Composition
- ASTM A182 F304 Mechanical Properties
- Physical Properties Of ASTM A182 F304
- Difference Between F304 And F304l
- ASTM A182 F304 Equivalent
- Grade Specification Comparison Of Stainless Steel 304 Flanges
Most reliable supplier of 720 psi SS 304 Flange, One of India’s largest Manufacturer Of 304 Stainless Steel Flanges, Largest Independent Stockholder Of Forged A182 Grade F304 Lap Joint Flanges, Exporter Of ASME B16.5 A182 Gr F304 Blind Flanges In Mumbai.
SS 304 Blind Flange is made of 304 stainless steel and is used in wide varieties of applications. Stainless Steel 304 Flanges come in different types such as the SS 304 Slip On Flange to hold the pipe inside or the SS 304 Blind Flange that ends the piping. 304 Stainless Steel Flanges are durable and less costly compared to other alloy types. ASTM A182 F304 Flanges contain low carbon in their composition. So, welding with A182 F304 Flange is reliable. This is because the A182 F304 Material is very much corrosion resistant even after welding. A182 Grade F304 BLRF retains its originality with long term usage.
What is F304 Material?

A182 Gr F304 SORF is a specification of raised face flanges with 13% chromium in its composition. It performs better than the SS 304 Slip On Flange in corrosive conditions due to the chromium content. Stainless Steel 304 Flanges make it easier to be used in systems where welding is needed. Due to the low carbon content of the 304 Stainless Steel Flanges the carbide precipitation during welding is lessened. This makes the flanges last long without rusting or corrosion. Rajtilak Metal is a large supplier of A182 F304 Flange and you can contact us for SS 304 Flanges Price List
SS 304 Flange Price List In India
SR. NO. | CAT | DESCRIPTION | UOM | QNTY | Unit Price USD |
1 | FLANGE LAPJOINT | STAINLESS STEEL, A182 Gr.304, FLANGE, LAPJOINT, 1/ 2IN, 600LBS, ASME/ ANSI B16.5, SOUR SERVICE: NACE MR-0175 | Nos | 210 | $28.20 |
2 | FLANGE LAPJOINT | STAINLESS STEEL, A182 Gr.304, FLANGE, LAPJOINT, 1/ 2IN, 600LBS, ASME/ ANSI B16.5 | Nos | 90 | $20.79 |
3 | FLANGE WELDNECK | STAINLESS STEEL, A182 Gr.304, FLANGE, WELDNECK, 2IN, SCH-80, 600LBS, RAISED FACE, ASME/ ANSI B16.5, SOUR SERVICE: NACE MR-0175 | Nos | 2100 | #25.78 |
4 | FLANGE WELDNECK | STAINLESS STEEL, A182 Gr.304, FLANGE, WELDNECK, 2IN, SCH-80, 900LBS, RAISED FACE, ASME/ ANSI B16.5, SOUR SERVICE: NACE MR-0175 | Nos | 3600 | $52.76 |
5 | FLANGE WELDNECK | STAINLESS STEEL, 2" WELD NECK FLG, SCH 160, 600#, A182 Gr.304 SOUR, ASME/ ANSI B16.5 | Nos | 360 | $42.51 |
6 | FLANGE BLIND | STAINLESS STEEL, A182 Gr.304, FLANGE, BLIND, 1/2IN, 600LBS, FORGED, ASME/ ANSI B16.5, SOUR SERVICE: NACE MR-0175 | Nos | 450 | $10 |
7 | FLANGE BLIND | STAINLESS STEEL, A182 Gr.304, FLANGE, BLIND, 1/2IN, 900/ 1500LBS, RAISED FACE, FORGED, ASME/ ANSI B16.5, SOUR SERVICE:NACE MR-0175 | Nos | 10500 | $11.28 |
8 | FLANGE BLIND | STAINLESS STEEL, A182 Gr.304, FLANGE, BLIND, 1/2IN, 900LBS, RAISED FACE, ASME/ ANSI B16.5, WITH FEMALE NOMINAL PIPE THREAD 1/2 IN, SOUR | Nos | 3000 | $25.40 |
9 | SPECTACLE BLIND | STAINLESS STEEL, A182 GR.304, FLANGE, SPECTACLE BLIND, 1/ 2IN, 600LBS, RAISED FACE, ASME/ ANSI B16.5, SOUR SERVICE: NACE MR-0175 | NOS | 60 | $50.00 |
10 | SPECTACLE BLIND | STAINLESS STEEL, A182 GR.304, FLANGE, SPECTACLE BLIND, 1/2IN, 900LBS, RAISED FACE, ASME/ ANSI B16.5, SOUR SERVICE: NACE MR-0175 | NOS | 60 | $70.30 |
11 | SPECTACLE BLIND | SS, ASTM A182 GR.304, FLANGE, SPECTACLE BLIND, 3/ 4IN,600LBS, RAISED FACE, ASME/ ANSI B16.5,SOUR SERVICE: NACE MR-0175 | NOS | 60 | $103.00 |
Please note this is an approx Price of ASTM A182 F304 Flanges in India. For final A182 F304 Material and A182 Grade F304 BLRF Price List Please Call on 91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com.
SA 182 F304 Specification
Specification : | ASTM A182 F304 Flanges |
Supporting Flange Material: | Ring Joint, Gasket, Flange Bolts |
Common Types of SS Flange : | Flanges 150 LB WNRF Class 300 RTJ 600# BLRF Class 900 SORF |
Application: | Water Pipeline Industry Natural Gas Industry Nuclear Power Plant Fabrication Industry Chemical Industry Oil And Gas Industry |
Standards: | ASME B16.38, EN-1092, BS10, DIN, PN, JIS, ISO, GOST, UNI, AWWA, MSS SP44, ASME B16.5, ASME B16.47 (Series A, Series B) |
Size Chart : | 1/2″ (15 NB) To 48″ (1200NB) |
Production Process: | Forged, Heat Treated and Machined |
Design For Size: | JIS, ANSI, BS, EN, ASA, ASME, DIN, PN |
Flange Machining Equipment: | Sand-blasting machine, Press machine, Bending machine, Pushing Machine, electric bevelling machine etc |
Coating Flange Faces : | Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated, Yellow Transparent, Oil Black Paint |
Pressure Rating Table: | Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS |
Connect Type Type: | LMF, SMF, LJF, RF, FF, RTJ |
Rajtilak Metal is a manufacturer and supplier of ASTM A182 F304 Flanges, Stainless Steel 304 Flanges & ASTM A182 F304 Flanges offering in all Ratings up to 2500#, built a distribution network with more then 65 countries globally.
Types Of ASTM A182 F304 Flanges

ASTM A182 F304 Slip On Flange

ASTM A182 Gr F304 Socket Weld Flange

ASTM A182 Grade F304 Blind Flange

ASTM A182 Grade F304 Weld Neck Flange

ASME SA182 F304 Threaded Flange

SA 182 Gr F304 Lap Joint Flange

304 SS Long Weld Neck Flanges

Stainless Steel 304 Spectacle Blind Flange

304 Stainless Steel Spade Flange

Stainless Steel 304 Flange Ring Spacer

ASTM A182 F304 Nipo Flange

A182 F304 Weldo Flange

ASTM A182 gr F304 Flange olet

A182 Gr F304 Bleed Ring Flange

SS 304 Forged Flanges

Stainless Steel 304 Plate Flange
ASTM A182 Gr F304 Pipe Flanges Dimensions
Nominal Pipe Size NPS (inches) |
ASTM A182 Gr F304 Class 150 Dimensions | ||||
---|---|---|---|---|---|
Diameter of Flange (inches) |
No. of Bolts |
Diameter of Bolts (inches) |
Diameter of Bolt Holes (inches) |
Bolt Circle (inches) |
|
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
12 | 19 | 12 | 7/8 | 1 | 17 |
14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
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Rajtilak Metal is an ISO certified ASTM A182 F304 Flanges manufacturer & ASTM A182 Grade F304 Pipe Flange distributor in India
A182 Gr F304 Blind Flanges Weight Chart
15mm (1/2") ASTM A182 F304 Stainless Steel Flanges Weight Chart
Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
---|---|---|---|---|---|---|
AS4087 Flange | PN14 Flange | 95 | 67 | 4 | M12 | 14 |
AS 2129 Flange | Table C Flange | 95 | 67 | 4 | 13 | 14 |
Table D Flange | 95 | 67 | 4 | 13 | 14 | |
Table E Flange | 95 | 67 | 4 | 13 | 14 | |
Table F Flange | 95 | 67 | 4 | 13 | 14 | |
Table H Flange | 114 | 83 | 4 | 16 | 17 | |
Table J Flange | 114 | 83 | 4 | 16 | 17 | |
ANSI B16.5 Flange | ANSI 150 Flange | 89 | 60 | 4 | 13 | 16 |
ANSI 300 Flange | 95 | 67 | 4 | 13 | 16 | |
ANSI 600 Flange | 95 | 67 | 4 | 13 | 16 | |
ANSI 900 Flange | 121 | 83 | 4 | 19 | 22 | |
ANSI 1500 Flange | 121 | 83 | 4 | 19 | 22 | |
ISO 7005 (DIN) Flange | PN6 Flange | 80 | 55 | 4 | M10 | 11 |
PN10 Flange | 95 | 65 | 4 | M12 | 14 | |
PN16 Flange | 95 | 65 | 4 | M12 | 14 | |
PN20 Flange | 90 | 60.5 | 4 | M14 | 16 | |
PN25 Flange | 95 | 65 | 4 | M12 | 14 | |
PN40 Flange | 95 | 65 | 4 | M12 | 14 |
Stainless Steel 304 Flanges Pressure Ratings
The flange rating table shows the maximum pressure for flanges of classes 150/300/400/600/900/1500/2500 at increasing temperatures (Celsius or Fahrenheit) – in PSI
ANSI/ASME B16.34 | ANSI PRESSURE RATING | ||||||
Temperature °F | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
ASTM A182 F304 Chemical Composition
Composition ranges for 304 grade stainless steel
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
---|---|---|---|---|---|---|---|---|---|---|
304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
304L | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||
304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 |
ASTM A182 F304 Mechanical Properties
Mechanical properties of 304 grade stainless steel
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
---|---|---|---|---|---|
Rockwell B (HR B) max | Brinell (HB) max | ||||
304 | 515 | 205 | 40 | 92 | 201 |
304L | 485 | 170 | 40 | 92 | 201 |
304H | 515 | 205 | 40 | 92 | 201 |
304H also has a requirement for a grain size of ASTM No 7 or coarser. |
Physical Properties Of ASTM A182 F304
Typical physical properties for annealed grade 304 stainless steels are given in table 3.
Table 3. Physical properties of 304 grade stainless steel in the annealed condition
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity(W/m.K) | Specific Heat 0-1000C(J/kg.K) | Electrical Resistivity (n.m) | |||
---|---|---|---|---|---|---|---|---|---|
0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
304/L/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Difference Between F304 And F304L
- ASTM A182 F304 Flanges are made up of a chemical alloy that contains 18% chromium and 8% nickel. The A182 F304 Material is specified by the austenitic chromium nickel steel alloy.
- Stainless Steel 304L Flanges make it easier to be used in systems where welding is needed. Due to the low carbon content of the 304L Stainless Steel Flanges the carbide precipitation during welding is lessened.
ASTM A182 F304 Equivalent
STANDARD | DIN | WERKSTOFF NR. | AFNOR | BS | EN | JIS | GOST | UNS |
ASTM A182 F304 | 1.4301 | 1.4301 | Z7CN18‐09 | 304S31 | SUS 304 | SUS 304 | 08Х18Н10 | S30400 |
ASTM A182 F304L | 1.4306 / 1.4307 | 1.4306 / 1.4307 | Z3CN18‐10 | 3304S11 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 03Х18Н11 | S30403 |
Grade Specification Comparison Of Stainless Steel 304 Flanges
Approximate grade comparisons for 304 stainless steels are given in table 4.
Table 4. Grade specifications for 304 grade stainless steel
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
---|---|---|---|---|---|---|---|
BS | En | No | Name | ||||
ASTM A182 F304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
ASTM A182 F304L | S30403 | 304S11 | – | 1.4306 | X2CrNi19-11 | 2352 | SUS 304L |
ASTM A182 F304H | S30409 | 304S51 | – | 1.4948 | X6CrNi18-11 | – | – |
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted. |
No Matter Where The Location, Recently We Have Successfully Supplied Stainless Steel 304 Pipe Flanges To The Following Countires
ANSI B16.5, 3 Inch, 300 LB, FF, ASTM A182 F304 Flanges | Finland, Malaysia, USA, Bangladesh |
4 Inch, Class 300, SCH40, SS 304L Slip on Flange | Italy, Iran, Chile, Singapore |
2 Inch, Class 300, SCH80, Stainless Steel 304 Flanges | Egypt, Spain, UK, Mexico |
2 Inch, Forged, Class 300, A182 gr F304L Forged Flanges | Ellington -United States, Poland, Canada, UK |
12 Inch, Class 900, RF, SS 304 Blind Flange | United Kingdom -UK, Europe, UAE, Malaysia |
16 Inch, 300 LB, RF, ASME B16.48, A182 F304L Flange | Colombia, Malaysia, Sweden, China |
6 Inch, 300#, SCH 120, 304 Stainless Steel Flanges | Dubai, Netherlands, Russia, Malaysia |
SCH 40, RF, 6 In, Class 300, SA 182 Gr F304 SWRF Flanges | South Africa, Saudi Arabia (KSA), Kuwait, Brazil |
14 Inch, Class 300, ASTM A182 Gr F304 Pipe Flanges | Philippines, Nigeria, Australia, UK |
24 inch, DN 15 to DN 600, UNS S30400 WNRF Flanges | Oman, Malaysia, Hong Kong, UAE |
2 Inch, ASME B16.5, Stainless Steel 304 Screwed Flanges | South Africa, Bahrain, Singapore |
Class 150, RF, 10 Inch, Sch 40, EN 1092-1 Spectacle Blind Flanges | France, Thailand, Europe, Qatar |
SCH 80, Class 2500, 12 Inch, ASME B16.5, UNS S30400 Flanges | United Arab Emirates (UAE), Norway, Malaysia, Turkey |
ASME B16.5, RF DN 100, PN 50, SS 304 Industrial Flanges | Dammam -KSA, Indonesia, Belgium, Philippines. |
BS EN 10204-1, 18 Inch, 600#, Werkstoff No 1.4301 BLRF Flanges | Canada, Singapore, Malaysia, Philippines |
20 Inch, Class 150, SCH 40, SS 304 Threaded Flanges | Japan, Europe, Romania, Malaysia |
BS 10, 4 Inch, SCH120, 304 Stainless Steel Lap Joint Flanges | Germany, Czechia, Malaysia, Thailand |