Stainless Steel Fittings Manufacturers & Suppliers in India
Reliable piping systems require leak-proof connections, smooth fluid flow, and extended durability, which is guaranteed through the integration of quality Stainless Steel Fittings. As one of the trusted Stainless Steel Fittings Manufacturers & Suppliers in India, we offer an exhaustive range of butt weld, forged, threaded, socket weld and custom designed fittings, which conform to high international quality standards. These products are manufactured to meet ASTM A403 Stainless Steel Fittings and ASTM A182 Forged SS Fittings requirements.
For the most adverse conditions, our pipe fittings offer a superior grade of corrosion resistance, higher temperature strength, optimal pressure handling characteristics and longer life. Being industrial pipe fittings exporters of standing, our products reach a diverse clientele base in oil & gas, petrochemicals, chemical, power generation, food processing, pharmaceuticals, water treatment, marine and infrastructure sectors globally.
What Are Stainless Steel Fittings?
Stainless Steel Fittings are piping components used to connect, redirect, branch, reduce, or terminate pipelines. They are manufactured from corrosion-resistant stainless steel grades and are available in various forms such as elbows, tees, reducers, caps, couplings, unions, and forged fittings. Stainless steel fittings are widely used in industrial piping systems due to their strength, durability, corrosion resistance, and ability to withstand high temperatures and pressures.

Types of Stainless Steel Fittings We Supply
Our product range covers a complete selection of ASME B16.9 SS Fittings and forged fittings designed for diverse industrial requirements.
Stainless Steel Elbows
Elbows are used to change the direction of flow in piping systems. Available in:
- 45 Degree Elbows
- 90 Degree Elbows
- 180 Degree Return Bends
- Long Radius Elbows
- Short Radius Elbows
Stainless Steel Tees
Tees are used for creating branch connections in pipelines.
Available as:
- Equal Tees
- Reducing Tees
- Barred Tees
Stainless Steel Reducers
Reducers help connect pipes of different diameters.
Types include:
- Concentric Reducers
- Eccentric Reducers
Stainless Steel Caps
Pipe caps are used to terminate the end of piping systems securely.
Stainless Steel Stub Ends
Used with lap joint flanges for systems requiring frequent dismantling.
Stainless Steel Crosses
Designed to provide four-way flow distribution in process piping.
Forged Stainless Steel Fittings
Manufactured according to ASTM A182 Forged SS Fittings specifications.
Available in:
- Couplings
- Unions
- Bushings
- Plugs
- Nipples
- Socket Weld Fittings
- Threaded Fittings
Advantages of Stainless Steel Fittings
SS fittings offer numerous advantages, making them a preferred choice in various industries:
- Longevity: Due to their corrosion resistance and strength, stainless steel fittings have a longer lifespan compared to fittings made from other materials.
- Cost-Effective: Although the initial cost of SS fittings may be higher than alternatives, their durability and low maintenance costs make them a cost-effective solution in the long run.
- Versatility: SS fittings are available in various shapes and sizes, making them suitable for a wide range of applications, from plumbing to industrial processes.
- Low Maintenance: SS fittings require minimal maintenance, reducing downtime and maintenance costs over time.
- Safety: The strength and durability of stainless steel fittings ensure that they can withstand high pressure and temperature, reducing the risk of leaks and accidents.
- Resistant to Extreme Conditions: SS fittings can operate in extreme environments, including high pressure, high temperature, and corrosive conditions, without losing their integrity.
ASTM A403 Stainless Steel Fittings Supplier in India
We Manufacture and ExportASTM A403 Stainless Steel Fittings Our stainless steel fittings include full types of manufactured by stainless steel materials. ASTM A403 Specification is for wrought stainless steel pipe fittings for pressure piping purposes.
These fittings are widely used in:
- Refineries
- Petrochemical Plants
- Offshore Platforms
- LNG Facilities
- Power Plants
- Chemical Industries
Available grades include:
- ASTM A403 WP304
- ASTM A403 WP304L
- ASTM A403 WP316
- ASTM A403 WP316L
- ASTM A403 WP321
- ASTM A403 WP347
- ASTM A403 WP904L
Every fitting undergoes strict quality inspection to ensure dimensional accuracy and compliance with industry standards.
ASME B16.9 SS Fittings
ASME B16.9 SS Fittings ASME B16.9 fittings are manufactured by the factory from forged butt weld type. These fittings used to facilitate easy flow with steady wall thickness and superior mechanical properties in pipe systems.
Common ASME B16.9 products include:
- Elbows
- Tees
- Reducers
- Caps
- Stub Ends
- Crosses
Benefits of ASME B16.9 fittings include:
- Reduced pressure drop
- Improved flow efficiency
- Enhanced structural reliability
- Superior weldability
- Longer service life
ASTM A182 Forged SS Fittings
For high-pressure and critical applications, ASTM A182 Forged SS Fittings are the preferred choice.
These fittings are manufactured through forging processes that enhance grain structure and mechanical properties.
Common Forged Fitting Types
- Threaded Elbows
- Socket Weld Elbows
- Threaded Tees
- Socket Weld Tees
- Couplings
- Half Couplings
- Unions
- Bushings
- Plugs
Advantages of Forged Fittings
- Higher pressure ratings
- Excellent fatigue resistance
- Improved impact strength
- Superior dimensional accuracy
- Reduced risk of leakage
Stainless Steel Grades Available
We supply fittings in various stainless steel grades to meet specific service requirements.
Austenitic Stainless Steel
Duplex Stainless Steel
- Duplex 2205
- Super Duplex 2507
Special Stainless Steel Grades
- 254 SMO
- Alloy 20
- High-Alloy Stainless Steel Grades
Material selection depends on operating temperature, pressure, chemical exposure, and corrosion requirements.


Schedule and Size Chart
| Schedule Number | Nominal Pipe Size (NPS) | Outside Diameter (OD) (inches) | Wall Thickness (WT) (inches) | Inside Diameter (ID) (inches) |
| SCH 5 | 1/2″ – 24″ | 0.840 – 24.000 | 0.065 – 0.500 | 0.710 – 23.000 |
| SCH 10 | 1/2″ – 24″ | 0.840 – 24.000 | 0.083 – 0.625 | 0.674 – 22.750 |
| SCH 20 | 1/2″ – 24″ | 0.840 – 24.000 | 0.109 – 0.688 | 0.622 – 22.625 |
| SCH 40 (STD) | 1/2″ – 24″ | 0.840 – 24.000 | 0.109 – 0.750 | 0.622 – 22.500 |
| SCH 80 (XS) | 1/2″ – 24″ | 0.840 – 24.000 | 0.147 – 1.000 | 0.546 – 22.000 |
| SCH 160 | 1/2″ – 24″ | 0.840 – 24.000 | 0.188 – 1.500 | 0.464 – 21.000 |
Mechanical Properties Chart
| Property | Value | Condition |
| Tensile Strength (MPa) | 515 – 690 | Annealed |
| Yield Strength (0.2% Offset) (MPa) | 205 – 450 | Annealed |
| Elongation (%) | 30 – 40 | in 2″ |
| Hardness (HBW) | 160 – 200 | Annealed |
| Modulus of Elasticity (GPa) | 193 – 200 | Room Temperature |
| Impact Toughness (J) | 135 – 250 | Charpy V-notch at Room Temperature |
Specifications Chart
| Specification | Standard | Description |
| ASTM A182 | ASME SA182 | Forged or Rolled Stainless Steel Pipe Flanges, Fittings, Valves |
| ASTM A403 | ASME SA403 | Wrought Austenitic Stainless Steel Piping Fittings |
| ASTM A815 | ASME SA815 | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| ASTM A312 | ASME SA312 | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| ASTM A213 | ASME SA213 | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
Chemical Composition Chart
| Element | Stainless Steel Grade | 304 (%) | 316 (%) | 321 (%) | 347 (%) |
| Carbon (C) | 0.08 max | 0.08 max | 0.08 max | 0.08 max | |
| Manganese (Mn) | 2.00 max | 2.00 max | 2.00 max | 2.00 max | |
| Phosphorus (P) | 0.045 max | 0.045 max | 0.045 max | 0.045 max | |
| Sulfur (S) | 0.030 max | 0.030 max | 0.030 max | 0.030 max | |
| Silicon (Si) | 1.00 max | 1.00 max | 1.00 max | 1.00 max | |
| Chromium (Cr) | 18.0 – 20.0 | 16.0 – 18.0 | 17.0 – 19.0 | 17.0 – 19.0 | |
| Nickel (Ni) | 8.0 – 10.5 | 10.0 – 14.0 | 9.0 – 12.0 | 9.0 – 13.0 | |
| Molybdenum (Mo) | – | 2.0 – 3.0 | – | – | |
| Titanium (Ti) | – | – | 5*C (min) | – | |
| Columbium (Cb) | – | – | – | 10*C (min) |
Physical Properties Chart
| Property | Value | Condition |
| Density (g/cm³) | 7.85 | Room Temperature |
| Melting Point (°C) | 1400 – 1450 | |
| Thermal Conductivity (W/m·K) | 16.2 | 100°C |
| Specific Heat (J/kg·K) | 500 | 0 – 100°C |
| Electrical Resistivity (Ω·m) | 7.2 × 10^-7 | 20°C |
| Thermal Expansion Coefficient (μm/m·K) | 16.5 | 0 – 100°C |
Why Stainless Steel Fittings Are Preferred in Industrial Applications
Industrial facilities require piping components capable of performing under extreme operating conditions. Stainless steel fittings offer several advantages that make them the preferred choice across industries:
Excellent Corrosion Resistance
Stainless steel naturally resists rust, oxidation, chemicals, and moisture, making it suitable for aggressive environments.
High Strength and Durability
These fittings maintain structural integrity even under high pressure and elevated temperatures.
Long Service Life
Due to their corrosion-resistant properties, stainless steel fittings provide extended operational life with minimal maintenance.
Hygienic Surface Finish
The smooth surface finish makes stainless steel ideal for pharmaceutical, food processing, and beverage industries.
Easy Installation
Precision manufacturing ensures accurate dimensions and secure SS pipe connections for efficient installation.
Cost-Effective Performance
Lower maintenance costs and longer service life result in reduced overall ownership expenses.
Why Choose ASC LLP?
As one of the top SS Fittings exporters in India, ASC LLP has built a reputation for delivering high-quality products that meet the stringent requirements of various industries. Here’s why you should choose us for your stainless steel fitting needs:
- Extensive Experience: With decades of experience in the steel industry, we have the expertise to understand and meet the specific needs of our clients.
- High-Quality Products: We use the highest quality stainless steel to manufacture fittings that meet international standards. Our products undergo rigorous testing to ensure they are durable, reliable, and fit for purpose.
- Wide Range of Products: We offer a comprehensive range of stainless steel fittings in various shapes, sizes, and specifications to meet the diverse needs of our clients.
- Competitive Pricing: We provide high-quality stainless steel fittings at competitive prices, ensuring you get the best value for your investment.
- Timely Delivery: We understand the importance of timely delivery in project completion. Our efficient supply chain ensures that our products reach you on time, every time.
- Custom Solutions: If you have specific requirements, we offer custom manufacturing solutions to meet your unique needs.
- Excellent Customer Service: Our team of experts is always ready to assist you with your inquiries and provide you with the best solutions for your projects.
Frequently Asked Questions
What are stainless steel fittings used for?
Stainless steel fittings are used to connect, redirect, reduce, branch, or terminate pipelines in industrial and commercial piping systems.
What is ASTM A403 stainless steel fitting?
ASTM A403 is a specification covering wrought stainless steel pipe fittings for pressure piping applications.
What is the difference between ASTM A403 and ASTM A182 fittings?
ASTM A403 covers butt weld fittings, while ASTM A182 covers forged fittings such as threaded and socket weld fittings.
What are ASME B16.9 SS fittings?
ASME B16.9 specifies dimensions and manufacturing requirements for factory-made wrought butt weld stainless steel fittings.
Which stainless steel grade is best for corrosive environments?
SS 316L, Duplex 2205, Super Duplex 2507, and 904L are commonly selected for highly corrosive service conditions.
Global Reach
ASC LLP 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 Fittings. 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.

