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Home Materials Library Stainless Steel 303 / 1.4305 / X10CrNiS18-9

Stainless Steel 303 / 1.4305 / X10CrNiS18-9

  • Alternative Designations: X10CrNiS18-9; X8CrNiS18-9 (ISO) | 303 (AISI) | 303 (SAE) | S30300 (UNS) | Z8CNF18-09 (AFNOR) | 303S31 (BS) | 2346 (SIS) | SUS303 (JIS)
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Price range:
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Colors:

  • Any color is achievable with finishing

Description:

It is an austenitic chromium-nickel stainless steel with sulfur added to its composition. The result is a material with improved machinability, but with reduced corrosion resistance. This material is therefore ideal for use in environments where corrosion is not a major concern, such as in the food processing industry. In terms of its mechanical properties, X10CrNiS18-9 is a fairly tough material. It is also quite ductile, with an elongation at break of around 31%.

Material Properties

Processes:

PropertyValue, metricValue, Imperial
Density323 g/cm3323 g/cm3
Elongation at Break31%31%
Hardness234234
Ultimate Tensile Strength398 MPa58 ksi
Download datasheet
  • CNC machined part without surface finishes (3D render, aluminium)
    Bead blasting (3D render)
    dragger

    Bead blasting

    Bead blasting involves spraying a pressurised stream of tiny beads of media, plastic or glass beads, from a nozzle onto the surface of the part. This removes the burrs and imperfections, leaving a smooth finish.

    Notes:

    The recommended part size is 6-600 mm in both height and width. Smaller parts are hard to hold and tough to produce an even surface.

    Final result:

    • Uniform, matte or satin-like appearance
    • Slightly grainy in the touch
  • Electroless nickel plating (3D render)

    Electroless nickel plating

    Electroless nickel plating provides a uniform nickel coating, which offers protection from corrosion, oxidation, and wear on irregular surfaces.

    Final result:

    • Protection from corrosion, oxidation and wear on irregular surfaces
    • Brighter appearance
  • Electropolishing (3D render)

    Electropolishing

    An electrochemical process that cleans steel parts to reduce corrosion and improve appearance by making the metal brighter.

    Final result:

    • Reduced corrosion
    • Brighter appearance
  • Gold plating (3D render)

    Gold plating

    Gold plating provides good corrosion and tarnish resistance. Gold has low contact resistance, excellent conductivity, and solderability.

    Final result:

    • Gold-like appearance
    • Increased corrosion and tarnish resistance
  • Passivation (3D render)

    Passivation

    A colorless coating that improves corrosion resistance for 200 and 300 series and precipitation hardened corrosion-resistant steels by removing free iron from the surface.

  • Powder Coating Black (3D Render)

    Powder coating

    Provides a continuous, protective color finish on parts using evenly applied, heat-cured paint. The finish is usually tougher and even compared to conventional painting.

    Notes:

    Metals like aluminium and steel can be efficiently coated with polymer powders.

    Available colors:

    • Any custom RAL color
  • Custom finish icon

    Custom Finishing

    If you select a custom finish in the Instant Quoting Engine it will require manual review. Manual quoting usually takes 1-2 business days.

    Notes:

    Submitting for manual review with a custom request does not guarantee a quote.