Alloy Flanges: Unmatched Strength and Durability by ASC LLP
Alloy flanges are integral components in various industrial applications, providing essential connections between pipes, valves, pumps, and other equipment. At ASC LLP, we pride ourselves as leading Alloy Flanges manufacturers and exporters in India, delivering high-quality flanges to meet the demands of industries worldwide. This page will provide you with comprehensive information about alloy flanges, their properties, advantages, and why choosing ASC LLP is the best decision for your industrial needs.
What Are Alloy Flanges?
Alloy flanges are pipe fittings that are used to connect pipes with each other, or with other components such as valves and pumps. Made from a combination of metals, alloy flanges offer superior strength, durability, and resistance to corrosion, making them ideal for use in high-pressure and high-temperature environments. These flanges are commonly used in industries such as oil and gas, petrochemical, power generation, and marine engineering.
Alloy Steel flanges come in various types, including weld neck flanges, slip-on flanges, blind flanges, socket weld flanges, and threaded flanges. Each type serves a specific purpose and is chosen based on the requirements of the application.

Properties of Alloy Flanges
The properties of alloy flange make them highly desirable in demanding industrial applications. Some of the key properties include:
- High Strength: Alloy flange possess exceptional tensile strength, making them suitable for high-pressure applications. The strength of these flanges ensures a secure and leak-proof connection in piping systems.
- Corrosion Resistance: One of the most significant advantages of alloy flange is their resistance to corrosion. The combination of metals in the alloy enhances their ability to withstand harsh environments, including exposure to chemicals, acids, and seawater.
- Temperature Resistance: Alloy flange can maintain their structural integrity at both high and low temperatures. This makes them ideal for use in industries where temperature fluctuations are common.
- Durability: The robust nature of alloy flange ensures long-lasting performance, reducing the need for frequent replacements. This durability translates to cost savings for industries that rely on continuous operations.
- Versatility: Alloy flange are available in various grades and compositions, allowing for customization based on specific industrial needs. This versatility makes them suitable for a wide range of applications.
Advantages of Alloy Flanges
The advantages of using alloy flange in industrial applications are numerous, making them a preferred choice for engineers and project managers. Some of the notable advantages include:
- Enhanced Safety: The strength and durability of alloy flange reduce the risk of leaks and failures in piping systems. This contributes to safer operations, especially in high-pressure environments.
- Cost-Effective: Although alloy flange may have a higher upfront cost compared to standard flanges, their long lifespan and reduced maintenance needs make them a cost-effective solution in the long run.
- Versatile Applications: The ability to customize alloy flange to meet specific requirements makes them suitable for various industries, including oil and gas, chemical processing, power generation, and more.
- Resistance to Environmental Factors: Alloy flange can withstand harsh environmental conditions, including extreme temperatures, corrosive substances, and high pressure. This makes them ideal for use in challenging industrial environments.
- Compliance with Industry Standards: As leading Alloy Flange manufacturers and exporters in India, ASC LLP ensures that our products comply with international standards, providing our clients with high-quality, reliable flanges.


Schedule and Size Chart for Alloy Flanges
Schedule | Pipe Size (Inches) | Outside Diameter (Inches) | Inside Diameter (Inches) | Wall Thickness (Inches) |
SCH 5 | 1/2″ | 0.84 | 0.742 | 0.049 |
SCH 10 | 1/2″ | 0.84 | 0.674 | 0.065 |
SCH 40 | 1/2″ | 0.84 | 0.622 | 0.083 |
SCH 80 | 1/2″ | 0.84 | 0.546 | 0.109 |
SCH 160 | 1/2″ | 0.84 | 0.464 | 0.147 |
SCH 5 | 1″ | 1.32 | 1.170 | 0.095 |
SCH 10 | 1″ | 1.32 | 1.097 | 0.133 |
SCH 40 | 1″ | 1.32 | 1.049 | 0.179 |
SCH 80 | 1″ | 1.32 | 0.957 | 0.219 |
SCH 160 | 1″ | 1.32 | 0.815 | 0.319 |
Mechanical Properties Chart for Alloy Flanges
Property | Value | Unit |
Tensile Strength | 485 – 620 | MPa |
Yield Strength | 240 – 400 | MPa |
Elongation | 20 – 30 | % |
Hardness (Brinell) | 120 – 220 | HB |
Impact Strength | 30 – 100 | J |
Modulus of Elasticity | 190 – 210 | GPa |
Specifications Chart for Alloy Flanges
Standard | Specification | Description |
ASME B16.5 | Pressure-Temperature Ratings | Flanges for pipes sizes 1/2″ to 24″ |
ASTM A182 | Alloy and Stainless Steel Flanges | Covers forged alloy flanges, fittings, and valves |
ASTM A694 | High-Strength Flanges for High-Pressure Transmission | Suitable for high-pressure service |
ASTM B564 | Nickel Alloy Flanges | Covers nickel alloy flanges and fittings |
DIN 2633 | Steel Flanges | Flanges for pipes PN 16 |
EN 1092-1 | European Flange Standard | Flanges and their joints, PN designated |
Chemical Composition Chart for Alloy Flanges
Element | Percentage (%) | Notes |
Carbon (C) | 0.08 – 0.15 | Enhances strength and hardness |
Manganese (Mn) | 0.50 – 1.50 | Improves hardness and tensile strength |
Chromium (Cr) | 17.0 – 21.0 | Provides corrosion resistance |
Nickel (Ni) | 8.0 – 14.0 | Increases toughness and resistance to impact |
Molybdenum (Mo) | 2.0 – 3.0 | Increases corrosion resistance, especially in chloride environments |
Phosphorus (P) | 0.04 max | Should be minimized to prevent brittleness |
Sulfur (S) | 0.03 max | Should be minimized to prevent brittleness |
Silicon (Si) | 0.5 – 1.0 | Enhances strength and corrosion resistance |
Physical Properties Chart for Alloy Flanges
Property | Value | Unit |
Density | 7.8 | g/cm³ |
Melting Point | 1350 – 1450 | °C |
Thermal Conductivity | 14 – 25 | W/m·K |
Specific Heat Capacity | 460 – 500 | J/kg·K |
Coefficient of Thermal Expansion | 11 – 15 | µm/m·°C |
Electrical Resistivity | 0.7 – 1.0 | µΩ·m |
Application Chart for Alloy Flanges
Industry | Application | Flange Type |
Oil & Gas | High-pressure pipeline connections | Weld Neck Flanges, Blind Flanges |
Petrochemical | Corrosive chemical processing | Slip-On Flanges, Threaded Flanges |
Power Generation | Steam turbine connections | Socket Weld Flanges, Orifice Flanges |
Marine Engineering | Seawater piping systems | Slip-On Flanges, Weld Neck Flanges |
Chemical Processing | Acidic and alkaline media transport | Blind Flanges, Lap Joint Flanges |
Food & Beverage | Hygienic piping systems | Stainless Alloy Flanges, Socket Weld Flanges |
Aerospace | High-temperature aerospace applications | High Nickel Alloy Flanges, Weld Neck Flanges |
Pharmaceutical | Clean room environments | Stainless Alloy Flanges, Blind Flanges |
Water Treatment | Potable water distribution | Slip-On Flanges, Threaded Flanges |
Why Choose ASC LLP?
As one of the top Al Flanges suppliers in the industry, ASC LLP is committed to delivering excellence in every product we manufacture. Here are some reasons why we are the preferred choice for clients around the world:
- Expertise and Experience: With decades of experience in the steel industry, we have the knowledge and expertise to manufacture al loy flanges that meet the highest standards of quality and performance.
- Global Reach: As Alloy Flanges manufacturers and exporters in India, we have established a strong presence in international markets. Our flanges are used in industries across the globe, from Asia to Europe and beyond.
- State-of-the-Art Manufacturing: Our advanced manufacturing facilities are equipped with the latest technology, allowing us to produce al flanges that meet precise specifications and requirements.
- Quality Assurance: Quality is at the core of everything we do at ASC LLP. Each al-flange undergoes rigorous testing and inspection to ensure it meets our stringent quality standards before it reaches our customers.
- Customer-Centric Approach: We believe in building long-term relationships with our clients. Our team is dedicated to providing exceptional customer service, from the initial inquiry to after-sales support.
- Custom Solutions: We understand that every project is unique, and we offer customized alloy steel flange to meet the specific needs of our clients. Whether you require a specific grade, size, or type of flange, we can provide a solution that fits your requirements.
Flanges Alloy are a critical component in many industrial applications, offering strength, durability, and resistance to corrosion and extreme temperatures. At ASC LLP, we take pride in being one of the leading Alloy Flanges manufacturers and exporters in India, supplying high-quality flanges to industries worldwide. Our commitment to quality, customer satisfaction, and innovation sets us apart from the competition.
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 Alloy 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.

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.