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Printdur® 4404: 316L Stainless Steel for Additive Manufacturing

Printdur® 4404 (1.4404 / 316L) has established itself within additive manufacturing as the allrounder in the field of iron-based alloys. Printdur® 4404 is characterized by the following properties:


  • Good processability with LPBF.
  • Good mechanical properties.
  • High PREN of 36 (Pitting Resistance Equivalent Number) and therefore a high corrosion resistance.
  • Good resistance to oxidation.
  • Properties

    General

    PropertyValue

    Bulk density

    3.8 - 4.6 g/cm³

    Particle size range

    10 - 53 µm

    Mechanical

    PropertyValueComment

    Charpy impact energy, V-notch

    165 J

    Elongation

    45 %

    A5

    Tensile strength

    520 - 620 MPa

    Yield strength

    440 - 540 MPa

    RP02

    Magnetic

    PropertyValueComment

    Relative magnetic permeability

    1 [-]

    max. | None magnetic

    Rheological Properties

    PropertyValue

    Hall flow

    12 - 20 s/50g

    Chemical properties

    PropertyValue

    Carbon

    0.03 %

    Chromium

    17 %

    Iron

    Balance

    Manganese

    1 %

    Molybdenum

    2 %

    Nickel

    13 %

    Silicon

    1 %

    Technological properties

    Property
    Application areas

    Additive manufacturing

    Corrosion properties

    In printed condition Prindur® 4404 is corrosion resistant according to SEP 1877 Method II (intergranular corrosion resistance test) and ASTM G48 Method E (pitting corrosion resistance test).

    Processing history

    The powder is produced by gas atomization.

    Processing methods

    Printdur® 4404 can be processed on LPBF systems. The process parameters are similar to those of 1.4404/316L.


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