W722

Product Description

Percipitation hardening nickel martensitic (marging) steel, material number 1.20709, which offers a good combination of strength and toughness. Can be printed very easily without additional heating of the building plattform or chamber. The achievable hardness of 55 HRC makes this material a universal solution for tool steel applications in which conformal cooling is required, such as die casting applications.

Property Features

Particle size distribution 15 – 45 µm:
D10[µm]                            18 – 24
D50[µm]                            29 – 35
D90[µm]                            42 – 50
Apparent density*           ≥ 3.5 g/cm³
Measurement of particle size distribution according to ISO 13322-2 (Dynamic image analysis methods);
* Measurement of apparent density is based on ASTM B964 resp. DIN EN ISO 3923-1 and relates to our typical measured values

 

Achievable mechanical properties of printed part after heat treatment:
Tensile strength (Rm)                            2030 ± 70 MPa
Yield strength (RP₀,₂)                             1950 ± 70 MPa
Elongation (%)                                              6 ± 2
Hardness                                                     53 ± 2 HRc
Impact toughness (ISO V)                        18 ± 2 J

Technical Specifications

Material Numbers


1.2709 Marage 300


Chemical Composition

4.90 18.00 9.30 1.10

Chemical composition (average %)

Available product shapes

  • 15 - 45 μm
  • 45 - 90 μm

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