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Stainless Steel 304 Flange – High-Quality and Durable Flanges for Industrial Use
Stainless Steel 304 Flange is one of the most widely used flanges in various industries due to its excellent corrosion resistance, durability, and strength. Manufactured from high-grade SS 304 material, these flanges offer superior performance in high-pressure and high-temperature applications. Whether used in petrochemical, oil & gas, food processing, or water treatment plants, SS 304 flanges ensure leak-proof and secure connections. As a leading Stainless Steel 304 Flange Manufacturer in India, we offer an extensive range of flanges that meet international quality standards.
What is Stainless Steel 304 Flange?
Stainless Steel 304 Flange is a type of pipe flange made from austenitic stainless steel 304, which contains 18% chromium and 8% nickel. This composition enhances its corrosion resistance, making it suitable for harsh environments, including acidic and marine conditions. SS 304 flanges are commonly used in industries that require hygienic and rust-resistant materials, such as food and beverage processing, pharmaceuticals, and chemical industries.
Types of Stainless Steel 304 Flanges
Stainless Steel 304 Slip-On Flange
- Easy to install and ideal for low-pressure applications.
- Used in water pipelines, HVAC systems, and oil refineries.
- Designed with a slightly larger inner diameter to slip over the pipe.
Stainless Steel 304 Weld Neck Flange
- Provides strong structural integrity with a welded connection.
- Used in high-pressure and high-temperature applications.
- Ideal for chemical processing, power plants, and offshore industries.
Stainless Steel 304 Blind Flange
- Used to seal the end of piping systems.
- Provides easy access for maintenance and inspection.
- Commonly used in water treatment plants, pharmaceuticals, and petrochemical industries.
Stainless Steel 304 Threaded Flange
- Designed for non-welded connections, making installation quick and easy.
- Suitable for small-diameter pipelines and low-pressure applications.
- Used in plumbing, gas distribution, and fire protection systems.
Stainless Steel 304 Socket Weld Flange
- Used for high-pressure piping systems with small pipe diameters.
- Provides a strong and secure connection.
- Ideal for steam lines, power plants, and chemical processing units.
Stainless Steel 304 Lap Joint Flange
- Works in conjunction with a stub end for quick alignment.
- Ideal for systems requiring frequent disassembly.
- Used in marine, food processing, and pulp & paper industries.
Stainless Stee 304 Orifice Flange
- Designed for measuring liquid and gas flow.
- Integrated with pressure taps for accurate measurement.
- Commonly used in chemical and gas processing industries.
Stainless Steel 304 Expander Flange
- Used to transition between different pipe diameters.
- Ideal for piping systems that require increased flow capacity.
- Commonly used in oil & gas, chemical processing, and water treatment plants.
Stainless Steel 304 Reducing Flange
- Designed to connect pipes of different diameters.
- Reduces turbulence and maintains smooth flow in pipelines.
- Widely used in power plants, refineries, and industrial piping systems.
Stainless Steel 304 Flange Specification
Specification | Details |
Material Grade | Stainless Steel 304 (SS 304) |
Standards | ASTM A182, ASME SA182, ANSI B16.5, EN 1092-1, JIS B2220 |
Flange Types | Slip-On, Weld Neck, Blind, Threaded, Socket Weld, Lap Joint, Orifice, Expander, Reducing |
Size Range | ½” to 48” (DN15 to DN1200) |
Pressure Class | 150#, 300#, 600#, 900#, 1500#, 2500# |
Face Type | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
Temperature Range | -196°C to 870°C (-321°F to 1598°F) |
Chemical Composition | C: 0.08% max, Mn: 2.00% max, Si: 1.00% max, Cr: 18.0 – 20.0%, Ni: 8.0 – 10.5%, P: 0.045% max, S: 0.030% max |
Tensile Strength | 515 MPa (min) |
Yield Strength | 205 MPa (min) |
Elongation | 40% (min) |
Hardness | Brinell: 201 max, Rockwell B: 92 max |
Surface Finish | Mill Finish, Polished, Sandblasted, CNC Machined |
Applications | Oil & Gas, Petrochemical, Food & Beverage, Pharmaceuticals, Water Treatment, Power Plants |
Chemical Composition of Stainless Steel 304 Flange
Element | Composition (%) |
Carbon (C) | 0.08 max |
Manganese (Mn) | 2.00 max |
Phosphorus (P) | 0.045 max |
Sulfur (S) | 0.030 max |
Silicon (Si) | 1.00 max |
Chromium (Cr) | 18.0 – 20.0 |
Nickel (Ni) | 8.0 – 10.5 |
Nitrogen (N) | 0.10 max |
Mechanical Properties of Stainless Steel 304 Flange
Property | Value |
Tensile Strength | 515 MPa (min) |
Yield Strength | 205 MPa (min) |
Elongation | 40% (min) |
Hardness (Brinell) | 201 max |
Hardness (Rockwell B) | 92 max |
Applications of Stainless Steel 304 Flanges
- Oil & Gas Industry – Used in pipeline connections, refineries, and offshore drilling.
- Petrochemical Industry – Ideal for handling corrosive chemicals and high-temperature fluids.
- Food & Beverage Industry – Preferred for hygienic processing units due to its non-reactive surface.
- Pharmaceutical Industry – Ensures sterile and contamination-free fluid transportation.
- Water Treatment Plants – Used in sewage, desalination, and filtration systems.
- Power Plants – Essential for boiler tubes, steam lines, and cooling systems.
Benefits of Stainless Steel 304 Flange
- Exceptional Corrosion Resistance
Stainless Steel 304 flanges resist rust, oxidation, and harsh chemicals, making them ideal for marine, chemical, and food industries.
- High Durability & Strength
These flanges ensure long-term performance, even in high-pressure and extreme environments.
- Excellent Temperature Resistance
Withstand high and low temperatures, making them suitable for steam, cryogenic, and heat exchanger applications.
- Cost-Effective Solution
SS 304 flanges provide great performance at an affordable cost, balancing quality and price effectively.
- Low Maintenance Requirements
Minimal upkeep is needed, reducing downtime and operational costs.
- Hygienic & Safe for Critical Industries
Their non-toxic and non-reactive nature makes them perfect for pharmaceutical, food, and drinking water applications.
Why Choose Us as Your Stainless Steel 304 Flange Manufacturer in India?
We are a trusted Stainless Steel 304 Flange Manufacturer in India, offering precision-engineered and high-quality SS 304 flanges for various industrial applications. Our products are manufactured using advanced technology, ensuring compliance with ASTM, ASME, and ANSI standards. We supply SS 304 flanges in different sizes, pressure ratings, and custom specifications to meet client requirements.
Key Features of Our SS 304 Flanges:
- Premium-Quality Material – Sourced from reliable stainless steel manufacturers.
- International Standard Compliance – Our products adhere to ASTM A182, ASME SA182, and ANSI B16.5.
- Wide Range of Sizes & Dimensions – Available in 1/2″ to 48″ sizes with various pressure ratings.
- Timely Delivery – Fast shipping across India and international markets.
- Competitive Pricing – Get high-quality flanges at affordable prices.
Stainless Steel 304 Flange is an essential component in various industries, providing strong and corrosion-resistant connections for pipelines and equipment. Whether for high-pressure or hygienic applications, SS 304 flanges offer reliability and durability. As a leading Stainless Steel 304 Flange Manufacturer in India, we provide top-quality products at the best prices. Contact us today for the best deals on SS 304 flanges!
Top Industrial Cities for Stainless Steel 304 Flanges
Bengaluru | Mumbai | Chennai | Hyderabad | Kolkata | Pune |
New Delhi | Ahmedabad | Jaipur | Surat | Salem | Gandhinagar |
Bhiwandi | Tiruppur | Sivakasi | Jamnagar | Thiruvananthapuram | Rajahmundry |
Bhubaneswar | Vijaywada | Firozabad | Bokaro Steel City | Rajkot | Bharuch |
Panna | Raipur | Cochin | Ludhiana | Panipat | Durgapur |
Peenya | Pimpri-Chinchwad | Channapatna | Kharagpur | Nashik | Bareilly |
Varanasi | Haldia | Rourkela | Bangalore | Moradabad | Indore |
Visakhapatnam | Trivandrum | Pithampur | Dibrugarh | Angul | Gwalior |
Coimbatore | Kannur | Nagpur | Vadodara | Rudrapur | Noida |
Agra | Bhagalpur | Jamshedpur | Bhilai | Lucknow | Kanpur |
Thane | Bhopal | Durg-Bhilai Nagar | Jabalpur | Lucknow | Ghaziabad |
Mahadev Dairy Pharma Fittings – Global Export Destinations for Stainless Steel 304 Flanges
Export Destination | Export Destination | Export Destination | Export Destination | Export Destination |
Saudi Arabia | United States | Netherlands | India | South Africa |
Oman | Canada | United Kingdom | Bangladesh | Nigeria |
Kuwait | Mexico | Germany | Malaysia | Africa |
UAE | France | South Korea | Bahrain | Italy |
Sri Lanka | Qatar | Poland | Singapore | Iran |
Belgium | Australia | Turkey | China | Japan |
The choice depends on the application:
- Slip-On Flange – Easy to install, ideal for low-pressure systems.
- Weld Neck Flange – Suitable for high-pressure, high-temperature applications.
- Blind Flange – Used to close pipe ends for maintenance.
- Threaded Flange – Ideal for non-welded connections.
SS 304 flanges can withstand temperatures up to 870°C (1598°F) for continuous use and 925°C (1697°F) for intermittent service.
SS 304 contains 18% chromium and 8% nickel, while SS 316 has 16% chromium, 10% nickel, and 2% molybdenum, making SS 316 more resistant to chlorides and harsh chemicals.
SS 304 flanges come in various pressure classes, including 150, 300, 600, 900, 1500, and 2500 as per ANSI B16.5 standards.