Stainless Steel 304 Flanges Supplier

Stainless Steel 304 flanges are essential components in a wide range of industrial applications, known for their exceptional durability, corrosion resistance, and versatility. These flanges are widely used in industries such as petrochemical, chemical processing, food and beverage, pharmaceutical, and many others.

Stainless Steel 304 is a popular material for flanges due to its outstanding corrosion resistance. It contains a high percentage of chromium (approximately 18%) and nickel (approximately 8%), which forms a passive oxide layer on the surface, protecting it from rust and corrosion. This makes it ideal for applications in harsh and corrosive environments.

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One of the major advantages of Stainless Steel 304 flanges is their exceptional strength and durability. They can withstand high temperatures and pressures, making them suitable for demanding applications. Additionally, they exhibit good resistance to abrasion and wear, ensuring a long service life.

Stainless Steel 304 Flanges come in various types, such as weld neck, slip-on, socket weld, blind, and lap joint flanges, each designed for specific applications. These flanges are easy to install and provide a secure and leak-proof connection between pipes or other components. Their smooth surface finish ensures a tight seal and reduces the risk of leakage.
Furthermore, SS 304 flanges are highly versatile. They are compatible with a wide range of fluids, including corrosive chemicals, water, gases, and more. This versatility allows them to be used in various industries, from chemical processing plants to water treatment facilities.

In addition to their physical properties, Stainless Steel 304 flanges are also known for their aesthetic appeal. They have a sleek and polished appearance that enhances the overall look of industrial equipment and pipelines.

Maintenance is minimal with Stainless Steel 304 flanges, reducing downtime and operational costs. Routine cleaning and inspection are usually sufficient to keep them in top condition.

Specification For SS 304 Flanges

Specifications ASTM A182 & ASME SA182
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Flanges

STOCKIST & SUPPILERS FOR STAINLESS STEEL 304 Flanges IN INDIA, CUSTOM SIZES SS 304 SORF, WNRF, Blind Flanges AS PER CLIENT REQUIREMENT

Equivalent Grades Of Stainless Steel 304 Flanges

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10

Various Types of Stainless Steel 304 Flanges

Slip on Flange

Stainless Steel 304 Slip On Flanges

  • Stainless Steel DIN 1.4301 Slip On Flange
  • A182 SS 304 Slip On Flanges
  • SS 304 Slip On Flange
  • ANSI B16.5 SS 304 Slip On Flanges
  • Stainless Steel Grade 304 Slip On Flanges
  • ASTM A182 SS 304 Slip On Flanges
  • Stainless Steel 304 Slip On Flanges
  • 304 Stainless Steel Slip On Flange
  • UNS S30400 Slip On Flanges
  • Stainless Steel SUS 304 Slip On Flanges
  • 304 SS Slip On Flanges
Socket Weld Flange

Stainless Steel 304 Socket Weld Flanges

  • 304 SS Socket Weld Flanges
  • ASTM A182 SS 304 Socket Weld Flanges
  • ANSI B16.5 SS 304 Socket Weld Flanges
  • Stainless Steel SUS 304 Socket Weld Flanges
  • Stainless Steel Grade 304 Socket Weld Flanges
  • Stainless Steel DIN 1.4301 Socket Weld Flange
  • A182 SS 304 Socket Weld Flanges
  • SS 304 Socket Weld Flange
  • UNS S30400 Socket Weld Flanges
  • Stainless Steel 304 Socket Weld Flanges
  • 304 Stainless Steel Socket Weld Flange
Blind Flange

Stainless Steel 304 Blind Flanges

  • 304 SS Blind Flanges
  • Stainless Steel 304 Blind Flanges
  • SS 304 Blind Flange
  • A182 SS 304 Blind Flanges
  • ANSI B16.5 SS 304 Blind Flanges
  • 304 Stainless Steel Blind Flange
  • Stainless Steel SUS 304 Blind Flanges
  • Stainless Steel DIN 1.4301 Blind Flange
  • Stainless Steel Grade 304 Blind Flanges
  • ASTM A182 SS 304 Blind Flanges
  • UNS S30400 Blind Flanges
Weld Neck Flange

Stainless Steel 304 Weld Neck Flanges

  • ANSI B16.5 SS 304 Weld Neck Flanges
  • UNS S30400 Weld Neck Flanges
  • 304 Stainless Steel Weld Neck Flange
  • 304 SS Weld Neck Flanges
  • A182 SS 304 Weld Neck Flanges
  • Stainless Steel DIN 1.4301 Weld Neck Flange
  • Stainless Steel Grade 304 Weld Neck Flanges
  • ASTM A182 SS 304 Weld Neck Flanges
  • SS 304 Weld Neck Flange
  • Stainless Steel SUS 304 Weld Neck Flanges
  • Stainless Steel 304 Weld Neck Flanges
Threaded Flange

Stainless Steel 304 Threaded Flanges

  • Stainless Steel DIN 1.4301 Threaded Flange
  • 304 Stainless Steel Threaded Flange
  • A182 SS 304 Threaded Flanges
  • SS 304 Threaded Flange
  • Stainless Steel 304 Threaded Flanges
  • UNS S30400 Threaded Flanges
  • Stainless Steel SUS 304 Threaded Flanges
  • ASTM A182 SS 304 Threaded Flanges
  • Stainless Steel Grade 304 Threaded Flanges
  • 304 SS Threaded Flanges
  • ANSI B16.5 SS 304 Threaded Flanges
Lap Joint Flange

Stainless Steel 304 Lap Joint Flanges

  • UNS S30400 Lap Joint Flanges
  • ASTM A182 SS 304 Lap Joint Flanges
  • 304 SS Lap Joint Flanges
  • SS 304 Lap Joint Flange
  • Stainless Steel Grade 304 Lap Joint Flanges
  • Stainless Steel SUS 304 Lap Joint Flanges
  • A182 SS 304 Lap Joint Flanges
  • ANSI B16.5 SS 304 Lap Joint Flanges
  • Stainless Steel 304 Lap Joint Flanges
  • Stainless Steel DIN 1.4301 Lap Joint Flange
  • 304 Stainless Steel Lap Joint Flange

Ready Stock Of Stainless Steel 304 Flanges

  • Stainless Steel DIN 1.4301 Orifice Flange
  • Stainless Steel UNS S30400 Flanges
  • Stainless Steel Grade 304 Raised Face Flanges
  • A182 SS 304 Square Flanges
  • SS 304 Flat Flange
  • ANSI B16.5 SS 304 RTJ Flanges
  • ASTM A182 SS 304 Lap Joint Flanges
  • Stainless Steel 304 Flanges
  • Stainless Steel 304 DIN Flanges
  • Stainless Steel 304 BS 4504 Flanges
  • 304 Stainless Steel WNRF Flange
  • Stainless Steel SUS 304 Reducing Flanges
  • SS 304 Weld Neck Flanges
  • SS 304 Tongue & Groove Flanges
  • 304 SS Long Weld Neck Flanges
  • 304 SS Nipoflange
  • Stainless Steel 304 Slip on Flanges
  • Stainless Steel 304 Male & Female Flanges
  • 304 Stainless Steel Blind Flange
  • SS 304 Ring Type Joint Flanges
  • Steel 304 Threaded Flanges
  • ASME SA182 SS 304 BLRF Flange
  • 304 Stainless Steel Screwed Flanges
  • SS 304 ASME B16.5 Flanges
  • SS 304 Socket weld Flanges
  • ASME SA182M SS 304 SWRF Flange
  • Stainless Steel 304 EN 1092-1 Flanges
  • Stainless Steel BS 304S31 Spectacle Blind Flanges
  • 304 SS SORF Flanges
  • Stainless Steel 304 Forged Flanges

SS 304 Flange Dimensions

Standard Class Diameter Bolt Circle Diameter Number of Bolts Bolt Size Diameter of Bolt Hole
AS4087 PN14 95 67 4 M12 14
AS 2129 Flanges Table C 95 67 4 13 14
Table D 95 67 4 13 14
Table E 95 67 4 13 14
Table F 95 67 4 13 14
Table H 114 83 4 16 17
Table J 114 83 4 16 17
ANSI B16.5 ANSI 150 89 60 4 13 16
ANSI 300 95 67 4 13 16
ANSI 600 95 67 4 13 16
ANSI 900 121 83 4 19 22
ANSI 1500 121 83 4 19 22
ISO 7005 (DIN) Flanges PN6 80 55 4 M10 11
PN10 95 65 4 M12 14
PN16 95 65 4 M12 14
PN20 90 60.5 4 M14 16
PN25 95 65 4 M12 14
PN40 95 65 4 M12 14

Size Chart of 304 Stainless Steel Flanges

Nominal Pipe Size Outside Diameter of Flanges Thickness of Flanges Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter or Bore Diameter of Hub at Bevel Radius of Fillet Depth of Socket
Welding Neck Slip-On Threaded Socket Lap Joint Slip-on Socket Lap Joint
O Q R X Y Y Y W B H r Z
1/2 3-1/2 7/16 1-3/8 1-3/16 1-7/8 5/8 5/8 .88 .90 .84 1/8 3/8
3/4 3-7/8 1/2 1-11/16 1-1/2 2-1/16 5/8 5/8 1.09 1.11 1.05 1/8 7/16
1 4-1/4 9/16 2 1-15/16 2-3/16 11/16 11/16 1.36 1.38 1.32 1/8 1/2
1-1/4 4-5/8 5/8 2-1/2 2-5/16 2-1/4 13/16 13/16 1.70 1.72 1.66 3/16 9/16
1-1/2 5 11/16 2-7/8 2-9/16 2-7/16 7/8 7/8 1.95 1.97 1.90 1/4 5/8
2 6 3/4 3-5/8 3-1/16 2-1/2 1 1 2.44 2.46 2.38 5/16 11/16
2-1/2 7 7/8 4-1/8 3-9/16 2-3/4 1-1/8 1-1/8 2.94 2.97 2.88 5/16 3/4
3 7-1/2 15/16 5 4-1/4 2-3/4 1-3/16 1-3/16 3.57 3.60 3.50 3/8 13/16
3-1/2 8-1/2 15/16 5-1/2 4-13/16 2-13/16 1-1/4 1-1/4 4.07 4.10 4.00 3/8 7/8
4 9 15/16 6-3/16 5-5/16 3 1-5/16 1-5/16 4.57 4.60 4.50 7/16 15/16
5 10 15/16 7.5/16 6-7/16 3-1/2 1-7/16 1-7/16 5.66 5.69 5.56 7/16 15/16
6 11 1 8-1/2 7-9/16 3-1/2 1-9/16 1-9/16 6.72 6.75 6.63 1/2 1-1/16
8 13-1/2 1-1/8 10-5/8 9-11/16 4 1-3/4 1-3/4 8.72 8.75 8.63 1/2 1-1/4
10 16 1-3/16 12-3/4 12 4 1-15/16 1-15/16 10.88 10.92 10.75 1/2 1-5/16
12 19 1-1/4 15 14-3/8 4-1/2 2-3/16 2-3/16 12.88 12.92 12.75 1/2 1-9/16
14 21 1-3/8 16-1/4 15-3/4 5 2-1/4 3-1/8 14.14 14.18 14.00 1/2 1-5/8
16 23-1/2 1-7/16 18-1/2 18 5 2-1/2 3-7/16 16.16 16.19 16.00 1/2 1-3/4
18 25 1-9/16 21 19-7/8 5-1/2 2-11/16 3-13/16 18.18 18.20 18.00 1/2 1-15/16
20 27-1/2 1-11/16 23 22 5-11/16 2-7/8 4-1/16 20.20 20.25 20.00 1/2 2-1/8
24 32 1-7/8 27-1/4 26-1/8 6 3-1/4 4-3/8 24.25 24.25 24.00 1/2 2-1/2

Weight Chart of 304 Stainless Steel Flanges

Pipe Normal Diam. O.D. Flange Thk. Of Flange Min Diam.
of
Hub
Diameter of Raised Face Length Hub.Y Thread Length Diam.
of Bolt
Circle
Diam.
of Bolt
Holes
Number
of Bolts
Diam. of
Bolts
(inch)
KG LB
inch dn O C X G Y T BC BH BN BD
1/2″ 15 89.00 11.20 30.20 35.10 15.70 15.70 60.50 15.80 4 1/2″ 0.4 0.9
3/4″ 20 98.50 12.70 38.10 42.90 15.70 15.70 69.90 15.80 4 1/2″ 0.7 1.5
1″ 25 108.00 14.20 49.30 50.80 17.50 17.50 79.30 15.80 4 1/2″ 0.8 1.8
1-1/4″ 32 117.50 15.70 58.70 63.50 20.60 20.60 88.90 15.80 4 1/2″ 1.2 2.6
1-1/2″ 40 127.00 17.50 65.00 73.20 22.40 22.40 98.60 15.80 4 1/2″ 1.5 3.3
2″ 50 152.50 19.10 77.70 91.90 25.40 25.40 120.70 19.10 4 5/8″ 2.3 5.1
2-1/2″ 65 178.00 22.40 90.40 104.60 28.40 28.40 139.70 19.10 4 5/8″ 3.7 8.1
3″ 80 190.50 23.90 108.00 127.00 30.20 30.20 152.40 19.10 4 5/8″ 4.1 9
3-1/2″ 90 216.00 23.90 122.20 139.70 31.80 31.80 177.80 19.10 8 5/8″ 5.1 11.2
4″ 100 228.50 23.90 134.90 157.20 33.30 33.30 190.50 19.10 8 5/8″ 5.9 13
5″ 125 254.00 23.90 163.60 185.70 36.60 36.60 215.90 22.40 8 3/4″ 7 15.4
6″ 150 279.50 25.40 192.00 215.90 39.60 39.60 241.30 22.40 8 3/4″ 8.4 18.5
8″ 200 343.00 28.40 246.10 269.70 44.50 44.50 298.50 22.40 8 3/4″ 13 28.6
10″ 250 406.50 30.20 304.80 323.90 49.30 49.30 362.00 25.40 12 7/8″ 18 39.5
12″ 300 482.50 31.80 365.30 381.00 55.60 55.60 431.80 25.40 12 7/8″ 29 64
14″ 350 533.50 35.10 400.10 412.80 57.20 57.20 476.30 28.50 12 1″ 39 86
16″ 400 597.00 36.60 457.20 469.90 63.50 63.50 539.80 28.50 16 1″ 47 103
18″ 450 635.00 39.60 505.00 533.40 68.30 68.30 577.90 31.80 16 1 1/8″ 57 126
20″ 500 698.50 42.90 558.80 584.20 73.20 73.20 635.00 31.80 20 1 1/8″ 76 167
24″ 600 813.00 47.80 663.40 692.20 82.60 82.60 749.30 35.10 20 1 1/4″ 97 214

ASTM A182 F304 SS Flanges Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 304 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 8 – 11

304 SS Flanges Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

We Serve Application Industry

Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

We Export SS 304 Flanges Across the Globe

Bolivia, Kuwait, Bhutan, Norway, South Korea, Qatar, Belarus, New Zealand, Bulgaria, Lithuania, Bangladesh, South Africa, Hong Kong, Israel, Germany, Ghana, Kenya, Venezuela, Argentina, Iran, Iraq, Japan, Russia, Gambia, Algeria, Tibet, Vietnam, Canada, Italy, Trinidad & Tobago, Australia, Switzerland, Chile, Ukraine, Macau, Lebanon, Mexico, Romania, Azerbaijan, Afghanistan, France, India, Zimbabwe, United States, Poland, Mexico, Sweden, Croatia, Gabon, Turkey, Finland, Slovakia, Nigeria, Brazil, Hungary, Nepal, Tunisia, Malaysia, Poland, Austria, Ireland, Spain, Colombia, China, Mongolia, Greece, Kazakhstan, Saudi Arabia, Namibia, Pakistan, Serbia, Jordan, Peru, Taiwan, Indonesia, Morocco, Chile, Sri Lanka, Denmark, Belgium, Iran, Thailand, Portugal, Costa Rica, Philippines, Singapore, Egypt, Libya, Angola, Yemen, United Kingdom, Puerto Rico, Czech Republic, Nigeria, Bahrain, Estonia, Ecuador, United Arab Emirates, Netherlands, Oman.

Domestic Supply Stainless Steel 304 Flanges

Hyderabad, Kolkata, Jamshedpur, Haryana, New Delhi, Thiruvananthapuram, Ernakulam, Surat, Ludhiana, Thane, Nagpur, Ranchi, Kanpur, Secunderabad, Noida, Gurgaon, Pimpri-Chinchwad, Visakhapatnam, Baroda, Vadodara, Chennai, Bengaluru, Jaipur, Pune, Chandigarh, Howrah, Bhopal, Ahmedabad, Faridabad, Navi Mumbai, Mumbai, Rajkot, Colombo, Nashik, Indore, Coimbatore.

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