Mcneil Instruments is a leading manufacturer, supplier, and exporter of Carbon Steel Pipe Fittings in India, delivering high-quality solutions that meet ASTM and ASME standards. Our carbon steel fittings are designed for durability, high strength, and resistance to wear, making them suitable for demanding applications in oil & gas, petrochemical, power generation, refinery, and chemical industries.

We manufacture a wide range of carbon steel fittings such as elbows, tees, reducers, couplings, caps, and stub ends, ensuring precise connections and long service life in critical piping systems.

Carbon Steel Grade 304 Pipe Fittings

Mcneil Instruments supplies Carbon Steel 304 Pipe Fittings, known for their excellent corrosion resistance and mechanical properties. Grade 304 is one of the most commonly used materials in industrial piping systems.

Technical Specification

• Composition: Fe balance / C ≤ 0.08 / Cr 18–20 / Ni 8–10.5
• Temp. Range: –196 °C to +870 °C
• Tensile Strength: ≥ 515 MPa
• Yield Strength: ≥ 205 MPa
• Standards: ASTM A234, ASME SA234

Advantages & Applications

• Good resistance to oxidizing environments
• Easy fabrication and weldability
• Widely used in refineries, chemical plants, and water systems

Carbon Steel Grade 316 Pipe Fittings

Carbon Steel 316 Pipe Fittings are known for their superior resistance to chlorides and corrosive environments, making them ideal for marine and offshore use.

Technical Specification

• Composition: Fe balance / C ≤ 0.08 / Cr 16–18 / Ni 10–14 / Mo 2–3
• Temp. Range: –196 °C to +870 °C
• Tensile Strength: ≥ 515 MPa
• Yield Strength: ≥ 205 MPa
• Standards: ASTM A234, ASME SA234

Advantages & Applications

• Excellent resistance to pitting and crevice corrosion
• High durability in saltwater and acidic conditions
• Used in marine, petrochemical, and pharmaceutical industries

Carbon Steel Grade 316L Pipe Fittings

Mcneil Instruments manufactures Carbon Steel 316L Pipe Fittings, a low-carbon version of Grade 316, offering enhanced weldability and resistance to sensitization.

Technical Specification

• Composition: Fe balance / C ≤ 0.03 / Cr 16–18 / Ni 10–14 / Mo 2–3
• Temp. Range: –196 °C to +870 °C
• Tensile Strength: ≥ 485 MPa
• Yield Strength: ≥ 170 MPa
• Standards: ASTM A234, ASME SA234

Advantages & Applications

• Better resistance to intergranular corrosion after welding
• Suitable for pharmaceutical, food, and chemical industries
• Commonly used in high-purity process systems and welded applications

Carbon Steel Grade 321 Pipe Fittings

Carbon Steel 321 Pipe Fittings are stabilized with titanium, offering excellent resistance to intergranular corrosion at elevated temperatures.

Technical Specification

• Composition: Fe balance / C ≤ 0.08 / Cr 17–19 / Ni 9–12 / Ti 5x(C+N) – 0.7 max
• Temp. Range: –196 °C to +870 °C
• Tensile Strength: ≥ 515 MPa
• Yield Strength: ≥ 205 MPa
• Standards: ASTM A234, ASME SA234

Advantages & Applications

• High resistance to scaling and stress corrosion
• Excellent stability in high-temperature service
• Used in aerospace, chemical, and refinery industries

Carbon Steel Grade 347 Pipe Fittings

Mcneil Instruments offers Carbon Steel 347 Pipe Fittings, stabilized with niobium (columbium) for superior resistance to intergranular corrosion.

Technical Specification

• Composition: Fe balance / C ≤ 0.08 / Cr 17–19 / Ni 9–13 / Nb + Ta ≥ 10x(C+N)
• Temp. Range: –196 °C to +870 °C
• Tensile Strength: ≥ 515 MPa
• Yield Strength: ≥ 205 MPa
• Standards: ASTM A234, ASME SA234

Advantages & Applications

• Excellent resistance in highly oxidizing environments
• Ideal for high-temperature and high-pressure service
• Widely used in power plants, petroleum refineries, and chemical processing

Why Choose Mcneil Instruments for Carbon Steel Pipe Fittings?

• ISO-certified, precision-engineered fittings
• Wide range of grades and dimensions
• CNC machining for accuracy and leak-proof construction
• Global export capability with on-time delivery
• MTCs and third-party inspection reports available

Applications Across Industries

• Oil & Gas Refineries
• Petrochemical & Chemical Plants
• Power Generation Units
• Marine & Offshore Installations
• Pharmaceutical & Food Processing

Contact Us Today!

Looking for reliable Carbon Steel pipe fittings manufacturers in India? Connect with Mcneil Instruments for expert guidance, global exports, and customized Carbon Steel solutions in Grades 304, 316, 316L, 321, and 347.