Hastelloy Tube Fittings Manufacturer, Supplier & Exporter in India - Mcneil Instruments
Mcneil Instruments is a premier manufacturer, supplier, and exporter of Hastelloy tube fittings in India, offering superior quality fittings in grades C276, C22, B2, B3, and X. Designed to excel under extreme conditions—whether corrosive, high-temperature, or chemical-intensive—our products serve critical applications in industries such as oil & gas, chemical processing, power generation, petrochemical, and aerospace
Hastelloy C276 Tube Fittings
Mcneil Instruments is a trusted Hastelloy C276 tube fittings manufacturer, supplier, and exporter in India. Alloy C276—nickel-chromium-molybdenum with tungsten—provides outstanding resistance to pitting, oxidation, and chemical stress corrosion.
Technical Specification
| Parameter | Specification |
| Composition | Ni 57 / Cr 15–17 / Mo 15–17 / W 3–4 |
| Temperature Range | −200 °C to +595 °C |
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM B366, ASME SB366, B574 |
Applications & Advantages: Used in tube runs for chemical reactors, flue-gas scrubbers, and paper mills; highly ductile, weldable, and suitable for corrosion-critical service.
Hastelloy C22 Tube Fittings
As a leading Hastelloy C22 tube fittings manufacturer, supplier, and exporter in India, Mcneil Instruments offers fittings made from a high-performance alloy with enhanced corrosion resistance in oxidizing and reducing environments.
Technical Specification
| Parameter | Specification |
| Composition | Ni 62 / Cr 21–22 / Mo 12.5–14.5 / W 2.5–3.5 |
| Temperature Range | −200 °C to +1040 °C |
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM B366, ASME SB366, B574 |
Applications & Advantages: Ideal for tubing in flue-gas desulfurization, pollution control, offshore oil & gas platforms, and chemical storage systems.
Hastelloy B2 Tube Fittings
Mcneil Instruments is renowned as a Hastelloy B2 tube fittings manufacturer, supplier, and exporter in India. Alloy B2 provides exceptional resistance in reducing acids like sulfuric and phosphoric, making it indispensable in chemical process tubing.
Technical Specification
| Parameter | Specification |
| Composition | Ni 65 / Mo 26–30 / Cr 1 / Fe ≤ 2.5 |
| Temperature Range | −196 °C to +315 °C |
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM B366, ASME SB366, B574 |
Applications & Advantages: Ideal for acid-resistant tube manifolds, elbow fittings, and tees used in fertilizer plants and industrial acid handling lines.
Hastelloy B3 Tube Fittings
Mcneil Instruments is a reliable Hastelloy B3 tube fittings manufacturer, supplier, and exporter in India. Alloy B3 balances sulfuric acid resistance with improved weldability and stability at higher temperatures.
Technical Specification
| Parameter | Specification |
| Composition | Ni 64 / Mo 29–34 / Cr 1 / Fe ≤ 2.5 |
| Temperature Range | −196 °C to +315 °C |
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM B366, ASME SB366, B574 |
Applications & Advantages: Suited for tube fittings in more aggressive acid duties, commonly used in fertilizer, textile, and chemical manufacturing lines.
Hastelloy X Tube Fittings
As leading Hastelloy X tube fittings manufacturer, supplier, and exporter in India, Mcneil Instruments provides fittings made from nickel-chromium-iron alloy, optimized for high-temperature applications.
Technical Specification
| Parameter | Specification |
| Composition | Ni 47 / Cr 20–23 / Fe 18 / Mo 8–10 |
| Temperature Range | −253 °C to +1100 °C |
| Tensile Strength | ≥ 758 MPa |
| Yield Strength | ≥ 345 MPa |
| Hardness | ≤ 95 HRB |
| Standards | ASTM B366, ASME SB366, B574 |
Applications & Advantages: Ideal for tubing in furnace manifolds, turbine ducting, and superheated steam systems; excellent structural strength and oxidation resistance.
Why Choose Mcneil Instruments for Hastelloy Tube Fittings
- ISO and CE certified manufacturing with PMI verification
- Precision CNC threading, forging, bending, and flare forming
- Nationwide inventory for rapid dispatch and global export capabilities
- Custom sensitizing, marking, and full material traceability
- Documentation support including 3.1/3.2 material certificates and NDE reports
Typical Industries Served
- Chemical & Petrochemical — acid/chloride-resistant tube systems
- Power Generation — turbine and boiler tubing
- Oil & Gas — offshore risers, subsea manifolds
- Marine & Desalination — long-term chloride exposure tubing
- Pharmaceutical & Food Processing — sanitary processes and reactors
Global Reach of Mcneil Instruments: Hastelloy Tube Fittings
- In Saudi Arabia, Mcneil Instruments is a trusted manufacturer and exporter of Hastelloy tube fittings used extensively in corrosive chemical and desalination plants.
- In Qatar, we serve as a reliable supplier and exporter, delivering Hastelloy fittings for use in oil refineries, offshore drilling, and gas treatment units.
- In Nigeria, industries choose Mcneil as a dependable Hastelloy tube fittings supplier, particularly for high-stress applications in energy and chemical sectors.
- As a leading exporter in Ghana, we supply corrosion-resistant Hastelloy tube fittings for coastal infrastructure and marine applications.
- In Texas (USA), Mcneil Instruments is known for delivering high-performance Hastelloy tube fittings to the oil & gas, aerospace, and nuclear industries.
- From Chicago, we operate as a trusted exporter, supplying precision-engineered Hastelloy fittings for chemical processing and power generation pipelines.
- In Malaysia, Mcneil is recognized as a premier Hastelloy tube fittings manufacturer and supplier, catering to offshore rigs and refining operations.
- In Singapore, we are a preferred exporter and supplier, offering high-grade Hastelloy tube fittings for shipbuilding, petrochemical plants, and process equipment.
- Across Brazil, Mcneil Instruments plays a key role as a Hastelloy tube fittings exporter, supplying durable solutions for the mining, pulp & paper, and chemical industries.
Contact Us
Looking for high-performance Hastelloy tube fittings in India? Reach out to Mcneil Instruments for custom solutions, technical consultation, and fast global delivery.




