Trusted Alloy Steel ASTM Tube Fittings Manufacturer, Supplier & Exporter in India
At Mcneil Instruments, we are proud to be recognized as one of the leading Alloy Steel ASTM Tube Fittings manufacturers, suppliers, and exporters in India. Our expertise lies in delivering precision-engineered tube fittings designed to perform under high pressure and temperature conditions.
Every product we manufacture reflects our commitment to quality, durability, and innovation — ensuring dependable performance across critical industries like oil & gas, petrochemicals, power generation, and engineering.
Mcneil Instruments Steel ASTM A182 F1 Tube Fittings
At Mcneil Instruments, we specialize in manufacturing superior-quality Alloy Steel ASTM A182 F1 Tube Fittings designed for reliability under extreme pressure and temperature.
These fittings, made from low alloy chromium-molybdenum steel, ensure durability, excellent weldability, and corrosion resistance — ideal for use in refineries, oil & gas systems, power generation, and chemical plants.
Every fitting is crafted with precision, inspected under stringent quality parameters, and built to meet international ASTM standards, ensuring a long, dependable service life.
Technical Specifications
| Property | Specification / Range |
|---|---|
| Standard | ASTM A182 / ASME SA182 |
| Grade | F1 – Low Alloy Chromium-Molybdenum Steel |
| Chemical Composition | C: 0.08–0.15% | Mn: 0.30–0.60% | Si: 0.50–0.80% | Cr: 4.00–6.00% | Mo: 0.85–1.05% | P ≤ 0.020% | S ≤ 0.010% |
| Tensile Strength | Minimum 485 MPa |
| Yield Strength | Minimum 275 MPa |
| Elongation | 20% Minimum |
| Heat Treatment | Normalized and tempered or annealed as per ASTM A182 |
| Surface Finish | Clean, smooth, and burr-free for enhanced sealing performance |
| Applications | Oil & Gas | Refineries | Power Plants | Marine Systems | Chemical Processing |
Engineered for High-Temperature Excellence Alloy Steel ASTM A182 F5 Tube Fittings
At Mcneil Instruments, we manufacture premium-quality Alloy Steel ASTM A182 F5 Tube Fittings engineered to perform exceptionally well in high-temperature and high-pressure environments.
These fittings are crafted from Chromium-Molybdenum alloy steel (5% Cr, 0.5% Mo), offering outstanding oxidation resistance, mechanical strength, and dimensional stability even under extreme service conditions.
Our ASTM A182 F5 Tube Fittings are extensively used in power generation, oil & gas refineries, steam boilers, and petrochemical plants, where reliability and strength are paramount.
Each fitting is precision-machined, rigorously tested, and manufactured in compliance with international ASTM and ASME standards, ensuring flawless performance and a long service life.
With Mcneil Instruments, you get tube fittings that represent engineering integrity, global quality, and lasting performance.
Technical Specifications
| Property | Specification / Range |
|---|---|
| Standard | ASTM A182 / ASME SA182 |
| Grade | F5 – Chromium-Molybdenum Alloy Steel (5% Cr, 0.5% Mo) |
| Chemical Composition | C: 0.15% max | Mn: 0.30–0.60% | Si: 0.50–1.00% | Cr: 4.00–6.00% | Mo: 0.44–0.65% | P ≤ 0.025% | S ≤ 0.025% |
| Tensile Strength | Minimum 485 MPa |
| Yield Strength | Minimum 275 MPa |
| Elongation | 20% Minimum |
| Hardness (HB) | Maximum 197 HB |
| Heat Treatment | Normalized and tempered at 620°C – 675°C or annealed as per ASTM A182 |
| Surface Finish | Bright, clean, and burr-free for secure and leak-free tube connections |
| Applications | Used in Petrochemical Plants | Steam Boilers | Power Generation | Heat Exchangers | Oil & Gas Refineries |
Discover Mcneil’s ASTM A182 F9 Tube Fittings
we are committed to delivering top-tier Alloy Steel ASTM A182 F9 Tube Fittings, designed to perform efficiently in extreme temperature and pressure conditions. Manufactured from Chromium-Molybdenum alloy steel (9% Cr, 1% Mo), these fittings exhibit exceptional creep strength, oxidation resistance, and thermal stability, making them ideal for critical high-temperature service.
Our ASTM A182 F9 Tube Fittings are widely used in boilers, heat exchangers, power generation systems, and petrochemical applications, where reliability and durability are non-negotiable.
Technical Specifications
| Property | Specification / Range |
|---|---|
| Standard | ASTM A182 / ASME SA182 |
| Grade | F9 – 9% Chromium, 1% Molybdenum Alloy Steel |
| Chemical Composition | C: 0.15% Max | Mn: 0.30–0.60% | Si: 0.50–1.00% | Cr: 8.00–10.00% | Mo: 0.90–1.10% | P ≤ 0.025% | S ≤ 0.025% |
| Tensile Strength | Minimum 585 MPa |
| Yield Strength | Minimum 415 MPa |
| Elongation | 20% Minimum |
| Heat Treatment | Normalized and tempered or quenched as per ASTM A182 |
| Hardness | ≤ 197 HB |
| Surface Finish | Bright, smooth, corrosion-protected finish for leak-proof sealing |
| Applications | Boilers | Heat Exchangers | Refineries | Power Plants | Petrochemical Equipment |
High-Performance Alloy Steel ASTM A182 F11 Tube Fittings
At Mcneil Instruments, we engineer Alloy Steel ASTM A182 F11 Tube Fittings to deliver exceptional strength, corrosion resistance, and thermal stability in demanding industrial environments.
Made from 1¼% Chromium – ½% Molybdenum alloy steel, these fittings are designed for high-pressure and high-temperature service, ensuring long-lasting reliability in refineries, power plants, and chemical processing systems.
Technical Specifications
| Property | Specification / Range |
|---|---|
| Standard | ASTM A182 / ASME SA182 |
| Grade | F11 – 1¼% Chromium, ½% Molybdenum Alloy Steel |
| Chemical Composition | C: 0.05–0.15% | Mn: 0.30–0.60% | Si: 0.50–1.00% | Cr: 1.00–1.50% | Mo: 0.44–0.65% | P ≤ 0.025% | S ≤ 0.025% |
| Tensile Strength | Minimum 415 MPa |
| Yield Strength | Minimum 205 MPa |
| Elongation | 20% Minimum |
| Heat Treatment | Normalized and tempered as per ASTM A182 standards |
| Hardness | ≤ 187 HB |
| Surface Finish | Clean, smooth, and corrosion-protected finish |
| Applications | Power Plants | Refineries | Steam Lines | Heat Exchangers | Chemical Industries |
Precision-Crafted Alloy Steel F22 Tube Fittings for Demanding Applications
At Mcneil Instruments, we take pride in offering Alloy Steel ASTM A182 F22 Tube Fittings, known for their exceptional strength, durability, and resistance to thermal stress.
These fittings are manufactured using 2¼% Chromium and 1% Molybdenum alloy steel, making them ideal for high-pressure and elevated-temperature environments.
Our ASTM A182 F22 Tube Fittings are widely used in power plants, refineries, heat exchangers, and steam piping systems, where consistent performance and mechanical reliability are essential.
Technical Specifications
| Property | Specification / Range |
|---|---|
| Standard | ASTM A182 / ASME SA182 |
| Grade | F22 – 2¼% Chromium, 1% Molybdenum Alloy Steel |
| Chemical Composition | C: 0.05–0.15% | Mn: 0.30–0.60% | Si: 0.50–1.00% | Cr: 1.90–2.60% | Mo: 0.87–1.13% | P ≤ 0.025% | S ≤ 0.025% |
| Tensile Strength | Minimum 450 MPa |
| Yield Strength | Minimum 280 MPa |
| Elongation | 20% Minimum |
| Heat Treatment | Normalized and tempered as per ASTM A182 specifications |
| Hardness | ≤ 197 HB |
| Surface Finish | Smooth, corrosion-resistant, and precision-machined for leak-free connections |
| Applications | Steam Lines | Heat Exchangers | Power Plants | Refineries | Petrochemical Plants |
Precision-Crafted Alloy Steel F91 Tube Fittings for High-Temperature Performance
We manufacture and supply premium-grade Alloy Steel ASTM A182 F91 Tube Fittings, specifically designed for superheater, reheater, and high-pressure piping systems. Made from 9% Chromium and 1% Molybdenum-Vanadium alloy steel, these fittings deliver exceptional creep resistance, thermal stability, and tensile strength, even at elevated temperatures.
Our ASTM A182 F91 Tube Fittings are known for their dimensional accuracy, corrosion resistance, and structural integrity, making them the ideal choice for critical service applications in power generation, chemical plants, and refineries. Each fitting undergoes stringent mechanical and chemical testing to ensure full compliance with ASTM and ASME specifications.
Technical Specifications
| Property | Specification / Range |
|---|---|
| Standard | ASTM A182 / ASME SA182 |
| Grade | F91 – 9% Chromium, 1% Molybdenum-Vanadium Alloy Steel |
| Chemical Composition | C: 0.08–0.12% | Mn: 0.30–0.60% | Si: 0.20–0.50% | Cr: 8.00–9.50% | Mo: 0.85–1.05% | V: 0.18–0.25% | Nb: 0.06–0.10% |
| Tensile Strength | Minimum 585 MPa |
| Yield Strength | Minimum 415 MPa |
| Elongation | 20% Minimum |
| Heat Treatment | Normalized and tempered or quenched and tempered as per ASTM A182 |
| Hardness | ≤ 250 HB |
| Surface Finish | Clean, smooth, burr-free, and corrosion-protected finish |
| Applications | Superheaters | Boilers | Power Plants | Steam Lines | Petrochemical Refineries |