UGI® HT605

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Description

UGI® HT605 is a non-magnetic cobalt - chromium - nickel - tungsten alloy with high resistance to oxidation and corrosion, associated with high mechanical performance characteristics at high temperatures (up to 980°C). The high mechanical performance characteristics of this grade are obtained via work hardening and can be slightly increased via age hardening.

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.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

9.13 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

225 GPa

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250.0 °C

214 GPa

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500.0 °C

188 GPa

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Elongation

23.0 °C

30 %

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Tensile strength

23.0 °C

860 MPa

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min.

Yield strength Rp0.2

23.0 °C

310 MPa

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min.

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.23E-5 1/K

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for 0 to 100°C

Melting point

1330 - 1410 °C

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Thermal conductivity

23.0 °C

9.4 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

8.8E-10 Ω·m

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Chemical properties

PropertyValueComment

Carbon

0.05 - 0.15 %

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Chromium

19 - 21 %

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Cobalt

Balance

Iron

3 %

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max.

Manganese

1 - 2 %

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Nickel

9 - 11 %

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Phosphorus

0.04 %

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max.

Silicon

0.4 %

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max.

Sulfur

0.03 %

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max.

Tungsten

14 - 16 %

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Technological properties

Property
Application areas

  • Heart valves and vascular endoprosthesis (stents)
  • Endoscopic tubes and wire guides
  • Cerclage cables
  • Turbocompressor parts
  • Turbine blades
  • Springs
  • Solder wire for hardfacing
  • Corrosion properties

    UGI® HT605 has excellent corrosion resistance at the high temperatures found in aircraft engines. Resistance to oxidation is good when maintained intermittently at up to 870°C and continuously at up to 1090°C. This grade is highly-resistant to flaking and oxidation under extreme conditions.


    MediumResistance level
    Acetic acidGood
    Sulphuric acidModerate
    SeawaterModerate
    HumidityExcellent
    Salt spray (NaCl)Excellent
    Nitric acidGood
    Phosphoric acidModerate
    Sodium hydroxideGood

    General machinability

    HT605 alloy is machinable using conventional techniques. However, we recommend high-speed steel tools (M40 type) or carbide tools (C1, C2 or C3 type) used on rigid equipment.

    HT605 alloy is more difficult to machine than austenitic stainless steels (302, 304, 321, and 347 types). Generally, we suggest reducing the feed rates, cutting speeds and pass depths.

    Please contact our technical assistance team for further information.

    Other

    Available products:


    ProductFormFinishToleranceDimensions (mm)
    Cold-rolled barRoundDrawnISO 9-101.8-14
    GroundISO 6-7-8-91.0-14
    Drawn wireRoundBright0.2 -1.0
    Matt1.0-14


    Others on demand.