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MCNEIL Instrument
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  • SS Pipe
    • ASTM A312 TP304H Stainless Steel Pipe
    • ASTM A312 TP304L Stainless Steel Pipe
    • ASTM A312 Stainless Steel 316ti Seamless Pipe
    • ASTM A312 TP310s Stainless Steel Pipe
    • ASTM A312 TP347 Stainless Steel Pipe
    • ASTM A312 TP316 Stainless Steel Pipe in India
    • ASTM A312 TP316L Stainless Steel Pipe
    • Stainless Steel 904L Seamless Pipe Manufacturer
    • ASTM A312 TP321 Stainless Steel Pipe
    • ASTM A312 TP304 Stainless Steel Pipe in India
    • ASTM A358 TP316L Class 1 Stainless Steel EFW Pipe
    • Stainless Steel High Pressure Pipe manufacturer in India
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    • Stainless Steel 317L Pipe Manufacturers
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  • Hose Pipe
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      • Rock Drill Hose
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  • Flanges
    • KOC Approved Flanges
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    • Alloy Steel Flanges| ASTM A182 F5, F9, F11, F22, F91
  • Pipes
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    • Pipes Canada
      • Canadian Natural Resources Approved
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    • Alloy Steel Pipes | ASTM A335 Grade P5-P9-P11-P22-P91
  • Fittings
    • PDO Approved Fittings
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    • IBR Approved Butt Weld Fitting
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    • Alloy Steel Fittings | ASTM A182 & ASTM A234 A182 F5, F9, F11, F22, F91
  • Other Product
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Recent Posts

  • Flanges for Industrial Piping Systems: A

    November 15, 2025
  • Mcneil Instrument India manufactures and exports ASTM A335 Alloy Steel Pipes for high-temperature and pressure applications. We offer seamless ferritic alloy steel pipes in grades P1, P5, P9, P11, P22 & P91 — tested, certified, and globally delivered.

    Mcneil Instrument India – Leading ASTM A335

    November 10, 2025
  • The ASTM A335 specification covers seamless ferritic alloy steel pipes intended for high-temperature service. The “Grade P” family (including P1, P5, P9, P11, P22, P91, etc.) represents a range of compositions, each optimized for specific thermal and mechanical conditions. These pipes are widely used in power plants, boilers, refineries, and process piping systems that operate under continuous exposure to heat, pressure, and corrosive fluids. The chromium and molybdenum content in these grades delivers exceptional resistance to scaling, oxidation, and stress rupture. Simply put — ASTM A335 Grade P pipes are the backbone of high-temperature fluid transmission systems, balancing strength, heat resistance, and weldability in one robust alloy.

    ASTM A335 Grade P Pipes – High-Temperature

    November 10, 2025
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SS Pipe

  • ASTM A312 TP304H SS Pipe
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Hose Pipe

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Flanges

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