ASTM A312 TP316L Stainless Steel Pipe Supplier and Exporter in India

ASTM A312 TP316L stainless steel pipe is a low-carbon austenitic stainless steel pipe engineered for high-temperature service and highly corrosive industrial environments. Manufactured under ASTM A312/ASME SA312 standards, TP316L pipes provide superior resistance to intergranular corrosion due to their reduced carbon content, making them ideal for welded fabrication and long-term service in aggressive conditions.

The addition of molybdenum enhances resistance to pitting and crevice corrosion, especially in chloride-rich environments. These pipes are widely used in chemical processing, oil & gas, marine, pharmaceutical, and high-purity fluid systems where durability and reliability are critical.

Key Features of ASTM A312 TP316L Pipe

  • Superior Corrosion Resistance
    Contains 2.0–3.0% molybdenum for excellent protection against pitting, crevice corrosion, and chemical attack in harsh industrial environments.
  • Low Carbon for Enhanced Weldability
    The reduced carbon content minimizes carbide precipitation during welding, improving joint integrity and reducing the need for post-weld heat treatment.
  • Strong Mechanical Performance
    Minimum tensile strength of 485 MPa and yield strength of 170 MPa ensure durability under pressure and demanding operating conditions.
  • Excellent High-Temperature Stability
    Maintains structural strength and corrosion resistance in elevated temperature applications.
  • Fabrication Versatility
    Easy to bend, weld, and form using conventional fabrication methods without compromising performance.

Specifications

Chemical Composition

  • Carbon (C): ≤ 0.03%
  • Manganese (Mn): ≤ 2.00%
  • Phosphorus (P): ≤ 0.045%
  • Sulfur (S): ≤ 0.030%
  • Silicon (Si): ≤ 1.00%
  • Chromium (Cr): 16.0 – 18.0%
  • Nickel (Ni): 10.0 – 14.0%
  • Molybdenum (Mo): 2.0 – 3.0%

Mechanical Properties (Minimum)

  • Tensile Strength: ≥ 485 MPa
  • Yield Strength (0.2% proof): ≥ 170 MPa
  • Elongation: ≥ 35%

Available Sizes & Standards

  • Nominal Pipe Sizes: 1/8″ to 48″ (custom sizes available)
  • Wall Thickness: SCH 5 to SCH XXS
  • Forms: Seamless, welded, and fabricated
  • Standards: ASTM A312/A312M and ASME SA312/SA312M

Applications of ASTM A312 TP316L Pipe

  • Chemical processing and handling systems
  • Oil & gas and offshore installations
  • Pharmaceutical and biotech fluid systems
  • Marine and seawater environments
  • Food and beverage processing
  • Heat exchangers and pressure equipment

Performance Advantages

  • Excellent resistance to intergranular corrosion
  • Long service life in aggressive environments
  • Reliable performance at elevated temperatures
  • Reduced maintenance and replacement costs

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