UGICHROM® 4542

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Description

UGICHROM® is the result of combining the high efficiency of micro-fissuring chromium plating with the technology of the most advanced stainless steel bars. The UGICHROM® product range is recommended for hydraulic and pneumatic mechanisms.

General properties - choice for performance:

  • Low friction coefficient.
  • High resistance to wear.
  • Increased corrosion resistance.
  • Micro-fissuring chromium plating guarantees excellent performance under extreme conditions of service.
  • Improved machinability (up to +20% of productivity).
  • High mechanical properties.
  • Accurate geometrical and dimensional properties..

  • Related Standards

    Equivalent Materials

    This material data has been provided by Ugitech SA.

    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

    Ashby charts

    See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

    Properties

    General

    PropertyTemperatureValue

    Density

    23.0 °C

    7.75 g/cm³

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    Mechanical

    PropertyTemperatureValueComment

    Elastic modulus

    23.0 °C

    197 GPa

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    Tensile strength

    23.0 °C

    930 - 1100 MPa

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    Yield strength Rp0.2

    23.0 °C

    725 MPa

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    min.

    Chemical properties

    PropertyValueComment

    Carbon

    0.06 %

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    max.

    Chromium

    15 - 16.5 %

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    Copper

    3 - 4 %

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    Iron

    Balance

    Manganese

    1 %

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    max.

    Molybdenum

    0.5 %

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    max.

    Nickel

    4 - 5 %

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    Niobium

    0.45 %

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    max., min: 5xC

    Phosphorus

    0.03 %

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    max.

    Silicon

    0.6 %

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    max.

    Sulfur

    0.03 %

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    max.

    Technological properties

    Property
    Application areas

    Hydraulic and pneumatic mechanisms

    Corrosion properties

    As UGICHROM® is "stainless in mass" there are no corrosion resistance problems over time, provided that the chosen grade is appropriate to the place of use.


    Passive layer: Stainless steels produce a very fine surface film of oxide consisting of chromium oxides and hydroxides a few Angströms thick. This oxide, commonly called a passive layer, protects the stainless steel against external attacks and gives it the property known as inoxidibility which guarantees the corrosion resistance of these alloys. The passive layer is an intrinsic part of the material, unlike the "Nickel-Chromium" coating deposited on carbon steels, which explains why stainless steel exhibits the basic corrosion resistance and adhesion advantages of chromium under harsh mechanical operating conditions (buckling). Once formed, this passive layer is completely stable since its thickness remains constant. The passive layer inhibits any exchange between the metal and the outside: in the event of damage to the material (scratch, cut, impact, drilling, deformation, etc.), it reforms spontaneously. This self-restructuring is also called "Repassivation".


    Choosing the most suitable grade: Only choosing the grade that is most appropriate to the operating environment increases the durability of hydraulic cylinders, depending on use. The figure on the right side of the material page shows how to obtain the best compromise between mechanical strength and corrosion resistance (see the chart on the right side of the material page).

    Other

    The mechanical properties of UGICHROM® are suitable for all hydraulic applications:


    CHARACTERISTICS Standard product Special product
    Diameter toleranceISO f7On request
    Bar length dia. 12 to 19 mm2900 mm +200/-0On request
    Bar length dia. 20 to 125 mm6000 mm +/- 500 mmOn request
    Roundness<1/2 f7 ISO
    Straightness (to EN 10278)<0.5 mm/mlUp to 0.2 mm for dia. >30 mm
    RoughnessRa < 0.2 µmUp to Ra <0.08 µm
    Chromium structureMicrocracked
    SizesDia. 12 to 125 mmOn request
    Thickness of the chromium dia. 12 to 19.5 mm18 µm +/-3Max. 50 µm
    Thickness of the chromium dia. 20 to 115 mm25 µm +/-5Max. 100 µm


    Conditioning: The UGICHROM® product range offers a wide variety of conditioning options suitable for all customers' needs:


    Individual protection:

  • Without individual protection: in layers in crates, with or without separators
  • Plastic rings Diameter 12 to 125 mm
  • Recycled cardboard tube Diameter 14 to 125 mm
  • Extruded plasticDiameter 12 to 110 mm


    Possibility of continuous ink jet marking on individual extruded plastic protection.


    Packaging:

  • Banded, non-packaged products
  • Ackilux package protection
  • Reinforced NIMP15 treated wooden crate