Stainless Steel ASTM A403 Tube Fittings Manufacturer, Supplier & Exporter in India – Mcneil Instruments
Mcneil Instruments is a leading manufacturer, supplier, and exporter of Stainless Steel ASTM A403 Tube Fittings in India, offering precision-engineered solutions designed for reliability, corrosion resistance, and performance under extreme conditions. Our ASTM A403 stainless steel tube fittings are trusted across industries like oil & gas, chemical processing, pharmaceuticals, food & beverage, marine, and water treatment—where clean, durable, and leak-proof connections are essential.
We manufacture Stainless Steel ASTM A403 Tube Fittings in grades WP 304, WP 316, and WP 317, ensuring superior mechanical strength, temperature tolerance, and chemical resistance suitable for both high-pressure and corrosive environments.
Stainless Steel ASTM A403 WP 304 Tube Fittings
Mcneil Instruments supplies ASTM A403 WP304 tube fittings known for excellent corrosion resistance, hygienic performance, and easy weldability. This grade is ideal for applications demanding cleanliness and long-term reliability in moderate environments.
Technical Specification
| Parameter | Specification |
| Composition | Cr 18–20% / Ni 8–11% |
| Temperature 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 and beverage processing systems
- Excellent for general industrial tubing and clean fluid transfer
- High weldability and ease of fabrication
Stainless Steel ASTM A403 WP 316 Tube Fittings
The ASTM A403 WP316 tube fittings grade offers enhanced resistance to chlorides and harsh chemicals due to its molybdenum content. It’s ideal for marine, chemical, and acidic environments demanding superior corrosion resistance and stability.
Technical Specification
| Parameter | Specification |
| Composition | Cr 16–18% / Ni 10–14% / Mo 2–3% |
| Temperature Range | –196°C to +870°C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM A403 / ASME SA403 |
Key Highlights:
- Best for offshore platforms and saltwater systems
- Withstands acidic and chloride-rich media
- Reliable for chemical processing and pharmaceutical applications
Stainless Steel ASTM A403 WP 317 Tube Fittings
ASTM A403 WP317 tube fittings deliver higher tensile strength and exceptional corrosion resistance, thanks to increased molybdenum and nickel content. They are perfect for aggressive chemical environments and high-temperature operations.
Technical Specification
| Parameter | Specification |
| Composition | Cr 18–20% / Ni 11–15% / Mo 3–4% |
| Temperature Range | –196°C to +870°C |
| Tensile Strength | ≥ 620 MPa |
| Yield Strength | ≥ 240 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM A403 / ASME SA403 |
Key Highlights:
- Designed for sulfuric acid and dye production industries
- Ideal for petrochemical refineries and high-temperature systems
- Superior resistance to crevice and pitting corrosion
Why Choose Mcneil Instruments?
✔ ISO/CE certified production with strict global quality compliance
✔ Advanced CNC machining for precision and accuracy
✔ Fast shipping with secure export packaging
✔ Custom sizes, thicknesses, and fitting configurations available
✔ 100% material traceability and inspection reports provided
Applications Across Industries
Oil & Gas: Seamless and durable tube connections under high pressure
Chemical & Petrochemical: Resistance to aggressive acids and solvents
Food & Beverage: Clean and hygienic transfer systems
Pharmaceuticals: Sterile and contamination-free tube fittings
Water Treatment: Corrosion-proof performance in chlorine-rich conditions
Marine & Offshore: Ideal for seawater and salt-exposed systems
Contact Us
Looking for reliable Stainless Steel ASTM A403 Tube Fittings in India?
Mcneil Instruments delivers premium WP304, WP316, and WP317 tube fittings crafted for durability, precision, and consistent performance.
Get in touch today for quotes, technical assistance, or custom manufacturing solutions tailored to your industrial needs.