Alloy Steel Pipe Fittings Manufacturer, Supplier & Exporter in India – Mcneil Instruments
Mcneil Instruments is a leading manufacturer, supplier, and exporter of Alloy Steel Pipe Fittings in India, delivering high-quality fittings engineered for strength, precision, and reliability. Our products are available in premium grades 304, 316, 316L, 321, and 347, designed to perform under high pressure, temperature, and corrosive environments.
Built for critical industries such as oil & gas, chemical, power, and refineries, Mcneil’s alloy steel pipe fittings ensure long-lasting durability, leak-proof connections, and superior metallurgical properties for every application.
What are Alloy Steel Pipe Fittings?
Alloy Steel Pipe Fittings are components like elbows, tees, reducers, and couplings made from steel blended with elements like chromium, nickel, and molybdenum. These elements enhance strength, corrosion resistance, and heat tolerance, making them ideal for industrial piping systems that transport fluids or gases under challenging conditions.
Alloy Steel Grade 304 Pipe Fittings
Mcneil Instruments is a trusted Alloy Steel Grade 304 Pipe Fittings manufacturer, supplier, and exporter in India, offering fittings with excellent corrosion resistance and mechanical strength. These fittings are ideal for moderate-temperature and mildly corrosive environments.
Technical Specification
| Parameter | Specification |
| Composition | Fe base with Cr 18%, Ni 8% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 70–90 HRB |
| Standards | ASTM A182, ASME SA182 |
Advantages & Applications:
- Excellent formability and weldability
- Ideal for general engineering, piping, and structural systems
- Commonly used in food processing and heat exchangers
Alloy Steel Grade 316 Pipe Fittings
Alloy Steel 316 Pipe Fittings by Mcneil Instruments are known for outstanding resistance to corrosion and high mechanical strength. The addition of molybdenum enhances resistance to pitting and crevice corrosion, making it ideal for saline or chemical exposure.
Technical Specification
| Parameter | Specification |
| Composition | Fe base with Cr 16%, Ni 10%, Mo 2% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 80–95 HRB |
| Standards | ASTM A182, ASME SA182 |
Advantages & Applications:
- Superior resistance to chlorides and acids
- Used in marine, petrochemical, and power industries
- Excellent toughness in high-pressure systems
Alloy Steel Grade 316L Pipe Fittings
As a reputed manufacturer and exporter, Mcneil Instruments offers Alloy Steel Grade 316L Pipe Fittings with low carbon content for enhanced weldability and corrosion protection.
Technical Specification
| Parameter | Specification |
| Composition | Fe base with Cr 16%, Ni 10%, Mo 2%, C ≤ 0.03% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Hardness | 70–85 HRB |
| Standards | ASTM A182, ASME SA182 |
Advantages & Applications:
- Reduced carbon improves resistance to carbide precipitation
- Suitable for marine and chemical environments
- Widely used in heat exchangers, condensers, and process equipment
Alloy Steel Grade 321 Pipe Fittings
Mcneil Instruments manufactures Alloy Steel 321 Pipe Fittings stabilized with titanium, providing exceptional resistance to intergranular corrosion and oxidation at elevated temperatures.
Technical Specification
| Parameter | Specification |
| Composition | Fe base with Cr 17%, Ni 9%, Ti ≤ 0.7% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 80–95 HRB |
| Standards | ASTM A182, ASME SA182 |
Advantages & Applications:
- Superior high-temperature strength and stability
- Prevents carbide precipitation during welding
- Ideal for exhaust manifolds, heaters, and refinery systems
Alloy Steel Grade 347 Pipe Fittings
Alloy Steel 347 Pipe Fittings supplied by Mcneil Instruments are stabilized with niobium for enhanced resistance to intergranular corrosion and high creep strength.
Technical Specification
| Parameter | Specification |
| Composition | Fe base with Cr 17%, Ni 10%, Nb ≤ 1% |
| Temperature Range | –196 °C to +870 °C |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | 80–95 HRB |
| Standards | ASTM A182, ASME SA182 |
Advantages & Applications:
- Excellent mechanical strength under stress and heat
- Resistant to oxidation and corrosion in harsh conditions
- Used in aerospace, chemical, and power generation industries
Why Choose Mcneil Instruments for Alloy Steel Pipe Fittings?
✔ ISO-certified manufacturing with 100% PMI and material traceability
✔ Advanced CNC machining, forging, and heat treatment processes
✔ Custom sizes, wall thicknesses, and end connections available
✔ Global supply network with timely export delivery
✔ Comprehensive testing — hardness, tensile, and NDT compliance
Applications Across Industries
- Oil & Gas Refineries
- Power Generation & Steam Lines
- Petrochemical Processing
- Marine & Offshore Systems
- Heat Exchangers & Pressure Vessels
Contact Us Today!
Looking for premium-quality Alloy Steel Pipe Fittings in India?
Get in touch with Mcneil Instruments for expert technical support, custom solutions, and prompt global delivery of reliable Grade 304, 316, 316L, 321, and 347 fittings.