Stainless Steel ASTM Pipe Fittings Manufacturer, Supplier & Exporter in India – Mcneil Instruments
Mcneil Instruments is a trusted manufacturer, supplier, and exporter of Stainless Steel ASTM Pipe Fittings in India, delivering high-performance piping solutions engineered for durability, corrosion resistance, and industry-leading reliability. Our fittings are widely used in food processing, chemical plants, oil & gas, pharmaceuticals, water treatment, and numerous industrial applications.
We provide ASTM A403 Stainless Steel Pipe Fittings in premium grades WP 304, WP 316 & WP 317, each designed to ensure superior strength, clean fluid transfer, and long service life in high-pressure and corrosive environments.
Stainless Steel ASTM A403 WP 304 Pipe Fittings
Mcneil Instruments supplies WP304 pipe fittings known for excellent corrosion resistance and hygiene-safe operations. This grade is ideal for applications requiring cleanliness, moderate strength, and weldability.
Technical Specification
| Parameter | Specification |
| Composition | Cr 18–20% / Ni 8–11% |
| Temp. Range | –196°C to +870°C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | ≤ 90 HRB |
| Standards | ASTM A403 / ASME SA403 |
Key Highlights: Suitable for food-grade operations, general industrial piping & pharmaceutical systems.
Stainless Steel ASTM A403 WP 316 Pipe Fittings
WP316 offers enhanced resistance to chlorides and harsh chemicals, making it ideal for marine and corrosive industrial environments. It contains molybdenum for superior protection.
Technical Specification
| Parameter | Specification |
| Composition | Cr 16–18% / Ni 10–14% / Mo 2–3% |
| Temp. Range | –196°C to +870°C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM A403 / ASME SA403 |
Key Highlights: Perfect for offshore environments, chemical processing, saltwater lines & acidic media transfer.
Stainless Steel ASTM A403 WP 317 Pipe Fittings
WP317 pipe fittings are engineered for superior creep strength and higher corrosion resistance due to increased molybdenum and nickel content—ideal for aggressive chemical service.
Technical Specification
| Parameter | Specification |
| Composition | Cr 18–20% / Ni 11–15% / Mo 3–4% |
| Temp. Range | –196°C to +870°C |
| Tensile Strength | ≥ 620 MPa |
| Yield Strength | ≥ 240 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM A403 / ASME SA403 |
Key Highlights: Best for sulfuric acid plants, dye production, petrochemical refineries & heat exchangers.
Why Choose Mcneil Instruments?
✔ ISO/CE certified manufacturing for global compliance
✔ Precision CNC machining with strict dimensional accuracy
✔ Rapid delivery network & secure export packaging
✔ Custom sizes, schedules, and elbow/tee/reducer configurations
✔ Full inspection & material test certificates included
Applications Across Industries
Food & Beverage — sanitary piping & clean water systems
Petrochemical & Refinery — high-temperature & corrosion-resistant lines
Pharmaceuticals — sterile & contamination-free fluid transfer
Oil & Gas — high-pressure equipment connections
Water Treatment — chlorine-rich & corrosive systems
Marine — saltwater handling and offshore rigs
Contact Us Today!
Looking for premium Stainless Steel ASTM Pipe Fittings in India?
Mcneil Instruments delivers high-grade ASTM A403 WP304, WP316 & WP317 fittings with reliable global shipping and expert support.
Connect with us today for pricing, custom manufacturing & technical guidance!


