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Sandvik 2R68/2R68HV Seamless tube and pipe

 

Subcategory: Nickel Alloy; Alloy Steel; Metal

Close Analogs: ASTM 316L; EN 1.4435

Material Notes:
Sandvik 2R68 is a molybdenum alloyed austenitic chromium-nickel steel. It is characterised by low contents of manganese, sulphur, carbon and nitrogen. This results in a very clean steel with a low content of non-metallic inclusions. The grade is especially developed for a application where very high demands are set upon allowed limits of contamination from the stainless steel material. Typical examples are applications found within the semiconductor and pharmaceutical industries.

The steel is available in two forms: Sandvik 2R68, produced by conventional AOD technique, and Sandvik 2R68HV, further optimised by vacuum arc remelting (VAR) of the AOD material. The VAR treatment reduces the content of oxide inclusions dramatically, thereby obtaining further cleanliness. Otherwise the two grades generally have similar properties.

Electropolishing of the grade produces very even and smooth surfaces, thanks to the very low levels of impurities. The tubes are used in the electropolished condition for high purity gas distribution systems.

Information provided by Sandvik

Available Properties
  • Density
  • Hardness, Vickers
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Tensile Strength, Yield at Elevated Temperature
  • Elongation at Break
  • Modulus of Elasticity
  • CTE, linear 100°C
  • CTE, linear 250°C
  • CTE, linear 500°C
  • Specific Heat Capacity
  • Thermal Conductivity
   
Property Data

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