Tool steel 1.2709

Steel with excellent mechanical properties
already after printing, which can be further
modified by heat treatment.

Key features

Martensitic precipitation curable tool steel 1.2709 (MS1) is characterized by very high hardness, strength and yield strength, which can be further improved by heat treatment.

Suitable uses

Due to its excellent mechanical properties, this material is used in a wide range
of engineering applications, such as injection moulds, where the additive manufacturing potential can be used to create internal conformal cooling cavities.

Specific applications

  • shape insert including conformal cooling in injection tool
  • components with high requirements for strength, hardness and abrasion resistance
  • prototypes of sheet metal parts of the seat for the automotive industry

Technical specifications

Standard delivery time 10 days
Layer height 0.04 mm
Minimum wall thickness 1 mm
Maximum part dimensions 390 x 390 x 390 mm

Datasheet

Condition No Heat Treatment Precipitation Curing
Orientation XY Z XY Z
Tensile strength Rm (MPa) 1200 1200 2060 2080
Contractual Yield Strength Rp0.2 (MPa) 1020 1050 1990 2010
Elongation at break ε (%) 13 11 4 3
Rockwell Hardness HRC 50 to 57
Density ρ (kg/m3) 8000 to 8100

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