McNeil Alloys, based in the United Arab Emirates, specializes in manufacturing and exporting instrumentation pipe fittings and valves. Their product range includes tubes, pipes, pipe fittings, flanges, instrumentation tube fittings, instrumentation valves, and hardware. They are approved suppliers for major companies such as Total Energies, Shell, ONGC, GASCO, Exxon Mobil, EIL, Chevron Corp, Baker Hughes, and Bahrain Petroleum.
The company is committed to delivering high-quality products and services that meet or exceed customer expectations. Their quality policy emphasizes continuous improvement, adherence to international standards, and maintaining a skilled workforce to ensure product reliability and customer satisfaction.
McNeil Alloys serves a diverse range of industries, including oil and gas, petrochemicals, power generation, and more. Their extensive product line and industry approvals enable them to meet the specific requirements of these sectors, providing reliable solutions for various applications.
About Stainless Steel Pipes
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Manufacturing Types and Processes
| Manufacturing Type |
Processes |
| Seamless Hot Rolling Processes |
Round Pipe Billet → Heating → Perforation → Three Roll Skew Rolling, Continuous Rolling or Extrusion → Off Pipe → Sizing (Or Reducing Diameter) → Cooling → Billet → Straightening → Water Pressure Test (Or Flaw Detection) → Marking → Storage |
| Seamless Cold Rolling (Cold Drawn) Processes |
Round Pipe Billet → Heating → Perforation → Head → Annealing → Pickling → Oil (Copper) → Multi Pass Drawing (Cold Rolling) → Billet → Heat Treatment → Straightening → Water Pressure Test → Marking → Storage |
| Longitudinal Welding (Straight Seam Welding) Processes |
Including ERW, EFW |
Material of Construction
| Material |
Specifications |
| Stainless Steel |
ASTM / ASME SA 312 GR, TP 304, 304L, 304H, 3095, 309H, 310S, 310H, 316, 316TI, 316H, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L, ASTM / ASME SA 358 CL 1 % CL 3 GR. 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316H, 321, 321H, 47. |
| Duplex Steel |
ASTM / ASME SA 790 UNS NO |
| Carbon Steel |
ASTM ASME A 53 GR. A & B, ASTM A 106 GR. A.B & C. API5L GR.B, M.S. & G.I ERW pipes API5L X 42, X46, X52, X60, X65 & X 70, ASTM / ASME A 691 GR A, B & C |
| Alloy Steel |
ASTM /ASME A 335 GR P1, P5, P9, P11, P12, P22, P23, P91, ASTM / ASME A 691 GR 1 CR, 11/4 CR, 21/4 CR |
| Nickel Alloy |
ASTM/ASME SB 163 UNS 2200 (NICKEL 200), ASTM/ASME SB 163 UNS 2201 (NICKEL 201), ASTM/ASME SB 163 165 UNS 4400 (MONEL 400),
ASTM/ASME SB 464 UNS 8020 (ALLOY 20/20 CB 3), ASTM/ASME SB 704/705 UNS 8825 INCONEL (825),
ASTM/ASME SB 167/517 UNS 6600 (INCONEL 600), ASTM/ASME SB 167 UNS 6601 (INCONEL 601),
ASTM/ASME SB 704/705 UNS 6625 (INCONEL 625), ASTM/ASME SB 619/622/626 UNS 10276 (HASTELLOY C276) |
| Copper Alloy |
ASTM / ASME SB 111 UNS NO. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500,
ASTM / ASME SB 466 UNS NO. C 70600 (CU-NI-90/10), C 71500 (CU-NI-70/30) BR & NON-IBR |
Materials and Their Compositions
| Material |
Composition and Properties |
| Stainless Steel |
Iron (Fe): Base metal, provides strength and formability.
Chromium (Cr): 10.5%-30%, enhances corrosion resistance and hardness.
Nickel (Ni): 8%-20%, improves toughness, ductility, and corrosion resistance.
Molybdenum (Mo): Present in grades like 316, increases resistance to pitting and crevice corrosion.
Carbon (C): 0.08%-1.2%, increases hardness and tensile strength.
Manganese (Mn): Adds strength and aids hardening.
Silicon (Si): Enhances strength and corrosion resistance.
Other Elements: Small amounts of nitrogen, sulfur, and phosphorus refine properties. |
| Stainless Steel Pipes |
304 Stainless Steel Pipes: 18% chromium, 8% nickel. Offers excellent corrosion resistance; used across industries.
316 Stainless Steel Pipes: 16% chromium, 10% nickel, 2% molybdenum. Superior corrosion resistance, especially against chlorides.
321 Stainless Steel Pipes: 17% chromium, 9% nickel, 1% titanium. Stable against carbide precipitation; ideal for high-temperature applications. |
| Stainless Steel Tubes |
304 Stainless Steel Tubes: 18% chromium, 8% nickel. Durable, oxidation-resistant.
316 Stainless Steel Tubes: 16% chromium, 10% nickel, 2% molybdenum. Suitable for corrosive environments.
309 Stainless Steel Tubes: 25% chromium, 20% nickel. High-temperature strength and oxidation resistance. |
| Other Materials |
Carbon Steel: Composed of iron and carbon with manganese, silicon, and other elements for strength and hardness.
Alloy Steel: Includes chromium, nickel, molybdenum, and vanadium for improved strength, toughness, and corrosion resistance.
Nickel Alloys: High nickel content with chromium and molybdenum for heat and corrosion resistance. |
Stainless Steel Grades Chemical Composition Table
| Grade |
Mark |
C (%) |
Cr (%) |
Ni (%) |
Mn (%) |
P (%) |
S (%) |
Mo (%) |
Si (%) |
Cu (%) |
N (%) |
Others |
| 201 |
1Cr17Mn6Ni5N |
≤0.15 |
16.00-18.00 |
3.50-5.50 |
5.50-7.50 |
≤0.060 |
≤0.03 |
– |
≤1.00 |
– |
≤0.25 |
– |
| 201L |
03Cr17Mn6Ni5N |
≤0.03 |
16.00-18.00 |
3.50-5.50 |
5.50-7.50 |
≤0.060 |
≤0.03 |
– |
≤1.00 |
– |
≤0.25 |
– |
| 202 |
1Cr18Mn8Ni5N |
≤0.15 |
17.00-19.00 |
4.00-6.00 |
7.50-10.00 |
≤0.060 |
≤0.03 |
– |
≤1.00 |
– |
≤0.25 |
– |
| 204 |
03Cr16Mn8Ni2N |
≤0.03 |
15.00-17.00 |
1.50-3.50 |
7.00-9.00 |
– |
– |
– |
– |
– |
0.15-0.30 |
– |
| China |
1Cr18Mn10Ni5Mo3N |
≤0.10 |
17.00-19.00 |
4.00-6.00 |
8.50-12.00 |
– |
– |
2.80-3.50 |
– |
– |
0.20-0.30 |
– |
| Russia |
2Cr13Mn9Ni4 |
0.15-0.25 |
12.00-14.00 |
3.70-5.00 |
8.00-10.00 |
– |
– |
– |
– |
– |
– |
– |
| China |
2Cr15Mn15Ni2N |
0.15-0.25 |
14.00-16.00 |
1.50-3.00 |
14.00-16.00 |
– |
– |
– |
– |
– |
0.15-0.30 |
– |
| 301 |
1Cr17Ni7 |
≤0.15 |
16.00-18.00 |
6.00-8.00 |
≤2.00 |
≤0.065 |
≤0.03 |
– |
≤1.00 |
– |
– |
– |
| 302 |
1Cr18Ni9 |
≤0.15 |
17.00-19.00 |
8.00-10.00 |
≤2.00 |
≤0.035 |
≤0.03 |
– |
≤1.00 |
– |
– |
– |
| 303 |
Y1Cr18Ni9 |
≤0.15 |
17.00-19.00 |
8.00-10.00 |
≤2.00 |
≤0.20 |
≤0.03 |
– |
≤1.00 |
– |
– |
– |
| 303Se |
Y1Cr18Ni9Se |
≤0.15 |
17.00-19.00 |
8.00-10.00 |
≤2.00 |
≤0.20 |
≤0.03 |
– |
≤1.00 |
– |
– |
Se ≥ 0.15 |
| 304 |
0Cr18Ni9 |
≤0.07 |
17.00-19.00 |
8.00-10.00 |
≤2.00 |
≤0.035 |
≤0.03 |
– |
≤1.00 |
– |
– |
– |
| 304L |
00Cr19Ni10 |
≤0.03 |
18.00-20.00 |
8.00-10.00 |
≤2.00 |
≤0.035 |
≤0.03 |
– |
≤1.00 |
– |
– |
– |
| 316 |
0Cr17Ni12Mo2 |
≤0.08 |
16.00-18.50 |
10.00-14.00 |
≤2.00 |
≤0.035 |
≤0.03 |
2.00-3.00 |
≤1.00 |
– |
– |
– |
| 316L |
00Cr17Ni14Mo2 |
≤0.03 |
16.00-18.00 |
12.00-15.00 |
≤2.00 |
≤0.035 |
≤0.03 |
2.00-3.00 |
≤1.00 |
– |
– |
– |
| 316N |
0Cr17Ni12Mo2N |
≤0.08 |
16.00-18.00 |
10.00-14.00 |
≤2.00 |
≤0.035 |
≤0.03 |
2.00-3.00 |
≤1.00 |
– |
– |
– |
| 317 |
0Cr19Ni13Mo3 |
≤0.12 |
18.00-20.00 |
11.00-15.00 |
≤2.00 |
≤0.035 |
≤0.03 |
3.00-4.00 |
≤1.00 |
– |
– |
– |
| 321 |
1Cr18Ni9Ti |
≤0.12 |
17.00-19.00 |
8.00-11.00 |
≤2.00 |
≤0.035 |
≤0.03 |
– |
≤1.00 |
– |
– |
Ti5(C%-0.02)~0.08 |
| 347 |
0Cr18Ni11Nb |
≤0.08 |
17.00-19.00 |
9.00-13.00 |
≤2.00 |
≤0.035 |
≤0.03 |
– |
≤1.00 |
– |
– |
Nb ≥ 10*C% |
| XM7 |
0Cr18Ni9Cu3 |
≤0.08 |
17.00-19.00 |
8.50-10.50 |
≤2.00 |
≤0.035 |
≤0.03 |
– |
≤1.00 |
3.00-4.00 |
– |
– |
| XM15J1 |
0Cr18Ni13Si4 |
≤0.08 |
15.00-20.00 |
11.50-15.00 |
≤2.00 |
≤0.035 |
≤0.03 |
– |
3.00-5.00 |
– |
– |
– |
Inspection & Testing offered by us
| Inspection & Testing |
Details |
| Mechanical Testing & Chemical Analysis |
Includes testing and analysis of mechanical properties and chemical composition. |
| Fully equipped laboratory for corrosion testing |
Includes chlorite contamination, bath analysis, penetration, and residual stress measurement. |
| Micro Structure Examination / Analysis |
Analysis of microstructures of materials. |
| Laboratory Spectrometer & Portable Spectrometer |
Used for spectral analysis in laboratory and on-site environments. |
| Positive Material Identification [PMI] Tester |
Tool for verifying material composition. |
| Hydro Testing of CS Pipes and SS Straight and U-Tubes |
Testing for leaks and strength of pipes and tubes. |
| Air Under Water Testing – Straight Length up to 30 Meters |
Testing pipes underwater for integrity. |
| Ferrite Content & Surface Finish |
Testing for ferrite content and analyzing surface finish. |
| Fibroscope – Checking the inside of tubes (OD ≥ 4.7 MM) |
Inspection of internal conditions of tubes. |
| Surface Roughness Testing |
Measurement of surface roughness of materials. |
| Non Destructive Testing |
Various methods to test without damaging the material. |
| Eddy Current Testing |
Testing for cracks and defects using electromagnetic induction. |
| Ultrasonic Testing with full body thickness measurement |
Using sound waves to detect thickness and flaws in materials. |
| Real Time Digital Radiography Testing |
Real-time inspection through digital X-ray imaging. |
| Conventional Film Radiography |
Traditional X-ray film testing for material integrity. |
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Manufacturer Exporter of Stainless Steel Pipe in the following countries:
| Australia |
Canada |
Denmark |
Finland |
| France |
Germany |
Ireland |
Italy |
| Spain |
United Kingdom |
United States of America |
Argentina |
| Brazil |
Colombia |
Indonesia |
Kazakhstan |
| Malaysia |
Mexico |
Oman |
Philippines |
| Poland |
Portugal |
Qatar |
Saudi Arabia |
| Singapore |
South Africa |
Turkey |
United Arab Emirates |
| Bahrain |
Bangladesh |
Iraq |
Jamaica |
| Jordan |
Kenya |
Kuwait |
Laos |
| Lebanon |
Nigeria |
Sri Lanka |
Vietnam |
