CoCr MP1 (Metal / Cobalt-chromium alloys)

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Material

Vendor

EOS

Description

Cobalt chrome with heat treatment
Chemical and mechanical specifications of ISO 5832-4 and ASTM F75 for cast CoCrMo implant alloys, as well as the specifications of ISO 5832-12 and ASTM F1537 for wrought CoCrMo implants alloys except remaining elongation. The remaining elongation can be increased to fulfil even these standards by high temperature stress relieving or hot isostatic pressing (HIP). For parts requiring high mechanical properties in elevated temperatures (500 - 1000 °C) and with good corrosion resistance. Suitable for biomedical applications (note: subject to fulfilment of statutory validation requirements where appropriate).

Standards

, UNS R31538

State of starting material

powder

Properties, applications and appearance

Field of application

Corrosion resistant


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Process

Manufacturing process

Laser Melting
Parts are built in a metal powder bed through a laser (or lasers) melting the metal powder layer-by-layer. Synonyms: Selective Laser Melting, SLM, Direct Metal Laser Sintering, DMLS, Laser Cusing

Physical, mechanical and thermal properties

Physical Properties

typical accuracy: 20 - 50 µm
typical accuracy: 50 - 200 %
smallest wall thickness: 0.3 mm
surface roughness Ra: 4 - 10 µm

Mechanical Properties

ultimate tensile strenght: 1,100 +/-100 MPa
ultimate tensile strenght (z): 1,100 +/-100 MPa
yield stress Rp 0.2%: 600 +/-50 MPa
yield stress Rp 0.2% (z): 600 +/-50 MPa


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Data source: EOS

ATTENTION: The presented values are provided by the material manufacturers and are only indicative. Realized material properties may differ from these value for several reasons. Additively does not guarantee the correctness of this information in any way.