S31703 (317L) Sheet & Plate

A lowcarbon, high molybdenum austenitic stainless steel with a higher nickel alloy content than 316L.

Alloy 317L (UNS S31703) is a low carbon corrosion resistant austenitic chromium-nickel-molybdenum stainless steel. The high levels of these elements assure the alloy has superior chloride pitting and general corrosion resistance to the conventional 304/304L and 316/316L grades. The alloy provides improved resistance relative to 316L in strongly corrosive environments containing sulfurous media, chlorides, and other halides.

It can be used in applications where it is not possible to anneal after welding and where maximum corrosion resistance is required. It provides good oxidation resistance in intermittent service to 1600 ° F and in continuous service to 1700 ° F.

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Related Specifications

  • EN 1.4439

Properties

Chemical Composition

Applications

  • Air Pollution control
  • Chemical and petrochemical processing
  • Explosives
  • Food and beverage processing
  • Petroleum refining
  • Power generation-condensers
  • Pulp and paper

Characteristics

  • Excellent corrosion resistance in a wide range of chemicals
  • Good formability
  • Good weldability

Additional Information

Corrosion Resistance

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