Stainless Steel Flanges: Strength, Versatility, and Reliability

Stainless steel flanges are a critical component in various industries, providing secure connections between pipes, valves, pumps, and other equipment. These flanges are not only known for their strength and durability but also for their resistance to corrosion, making them an ideal choice for applications that require reliable and long-lasting connections. At ASC LLP, we take pride in being one of the leading Stainless Steel Flanges manufacturers in India, offering a wide range of flanges to meet diverse industrial needs.

What are Stainless Steel Flanges?

SS flanges are forged or cast rings of steel designed to connect sections of pipe or join them to a pressure vessel, pump, valve, or other integral flanged assemblies. The use of stainless steel enhances the flange’s resistance to corrosion, making it suitable for a wide range of applications, especially in harsh environments. These flanges are essential in industries such as oil and gas, chemical processing, power generation, and water treatment.

Stainless steel flanges are typically available in various types, including weld neck, slip-on, socket weld, lap joint, threaded, and blind flanges. Each type is designed for specific applications, ensuring that the connection is secure and leak-proof.

Stainless Steel flanges

Properties of Stainless Steel Flanges

The properties of SS flanges are what make them the preferred choice for various industrial applications. Here are some of the key properties that set them apart:

  1. Corrosion Resistance: One of the most significant properties of stainless steel is its resistance to corrosion. This makes SS flanges ideal for use in environments that are prone to moisture, chemicals, and other corrosive elements.
  2. High Strength: SS flanges offer exceptional strength, which allows them to withstand high pressure and extreme temperatures. This makes them suitable for use in high-stress environments such as power plants and chemical processing facilities.
  3. Durability: The durability of SS flanges ensures that they can handle long-term use without significant wear and tear. This reduces the need for frequent replacements, resulting in lower maintenance costs.
  4. Heat Resistance: Flanges SS can operate effectively in high-temperature environments without losing their structural integrity. This property is particularly important in industries such as power generation and oil refining.
  5. Versatility: SS flanges are versatile and can be used in a wide range of applications, from domestic plumbing to large-scale industrial projects.
  6. Aesthetic Appeal: The polished surface of stainless steel flanges adds an aesthetic appeal to any installation, making them a preferred choice for architectural applications.

Advantages of Stainless Steel Flanges

Using stainless steel flanges in your piping system offers numerous advantages that make them a superior choice compared to other materials:

  1. Longevity: Stainless steel flanges are built to last, providing a long service life even in the most demanding environments. This longevity translates into cost savings over time, as there is less need for frequent replacements.
  2. Ease of Fabrication: Stainless steel can be easily fabricated into various shapes and sizes, allowing for customization to meet specific requirements. This ease of fabrication also contributes to quicker installation times.
  3. Hygiene: Stainless steel is non-porous and easy to clean, making it an excellent choice for industries where hygiene is crucial, such as food processing, pharmaceuticals, and healthcare.
  4. Recyclability: Stainless steel is 100% recyclable, making it an environmentally friendly option. Choosing SS flanges contributes to sustainable practices by reducing waste.
  5. Compatibility with Other Materials: Flanges SS are compatible with various other materials, allowing them to be used in conjunction with different types of pipes and fittings without compromising performance.
  6. Cost-Effectiveness: While the initial cost of SS flanges may be higher than some other materials, their durability, low maintenance requirements, and long service life make them a cost-effective solution in the long run.
SS flanges
flange SS

Schedule and Size Chart for Stainless Steel Flanges

Nominal Pipe Size (NPS) Flange Type Class 150 Class 300 Class 600 Class 900 Class 1500 Class 2500
1/2″ Weld Neck, Slip-On 3.50″ 3.88″ 4.25″ 4.50″ 4.75″ 5.00″
3/4″ Weld Neck, Slip-On 3.88″ 4.25″ 4.75″ 5.00″ 5.25″ 5.50″
1″ Weld Neck, Slip-On 4.25″ 4.88″ 5.50″ 5.88″ 6.25″ 6.50″
1-1/2″ Weld Neck, Slip-On 5.00″ 6.12″ 7.25″ 7.50″ 8.50″ 9.00″
2″ Weld Neck, Slip-On 6.00″ 6.50″ 7.88″ 8.50″ 9.50″ 10.50″
4″ Weld Neck, Slip-On 9.00″ 10.25″ 11.75″ 13.00″ 14.00″ 16.00″
6″ Weld Neck, Slip-On 11.00″ 12.50″ 14.00″ 16.50″ 17.50″ 20.00″
8″ Weld Neck, Slip-On 13.50″ 15.00″ 16.50″ 19.00″ 20.50″ 23.50″

Mechanical Properties Chart for Stainless Steel Flanges

Property Value
Tensile Strength (MPa) 515 – 690
Yield Strength (MPa) 205 – 310
Elongation (%) 40 – 50
Hardness (Brinell) 170 – 220
Impact Strength 220 – 270 J
Modulus of Elasticity 193 – 200 GPa
Fatigue Strength 310 MPa
Shear Strength 205 – 260 MPa

Specifications Chart for Stainless Steel Flanges

Specification Standard Description
ASTM A182 Standard Specification Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves
ANSI B16.5 Pipe Flanges and Flanged Fittings Nominal Pipe Size 1/2″ – 24″
ASTM A240 Standard Specification Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels
ASME B16.47 Large Diameter Steel Flanges Covers NPS 26 through NPS 60 Flanges
ASTM A351 Standard Specification Castings, Austenitic, for Pressure-Containing Parts

Chemical Composition Chart for Stainless Steel Flanges

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) 18.00 – 20.00
Nickel (Ni) 8.00 – 10.50
Nitrogen (N) 0.10 max
Iron (Fe) Balance

Physical Properties Chart for Stainless Steel Flanges

Property Value
Density 7.85 g/cm³
Melting Point 1400 – 1450 °C
Thermal Conductivity 16.2 W/m·K at 100°C
Specific Heat Capacity 500 J/kg·K
Electrical Resistivity 0.072 x 10^-6 Ω·m at 20°C
Coefficient of Expansion 17.2 x 10^-6 /°C

Application Chart for Stainless Steel Flanges

Industry Application
Oil and Gas Pipeline connections, subsea applications, refinery piping
Chemical Processing Corrosive environments, chemical reactors, storage tanks
Power Generation High-temperature and high-pressure applications, turbines
Water Treatment Water and wastewater piping systems, desalination plants
Food and Beverage Hygienic connections, food processing equipment
Pharmaceuticals Sterile environments, pharmaceutical processing systems
Marine Shipbuilding, offshore platforms, seawater systems
Pulp and Paper Bleaching plants, paper mills, chemical pulp processing

Stainless Steel Flanges Manufacturers in India

India is home to some of the world’s leading Stainless Steel Flanges manufacturers, with ASC LLP being a prominent name in the industry. Our commitment to quality, innovation, and customer satisfaction has earned us a reputation as a trusted supplier of SS flanges both domestically and internationally.

Stainless Steel Flanges Suppliers

As leading Stainless Steel Flanges suppliers, ASC LLP ensures that our products meet the highest standards of quality and performance. We source our raw materials from reputable suppliers and employ stringent quality control measures throughout the manufacturing process. This ensures that every flange we produce is of the highest quality and meets the specific needs of our customers.

Our extensive inventory and efficient supply chain management enable us to meet the demands of our clients promptly, whether they require small quantities or bulk orders. We are committed to providing our customers with flanges that meet their exact specifications, delivered on time and within budget.

Global Reach

Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Stainless Steel Flanges. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Metal globe

Countries We Export To

UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

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