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Lowering tension

In our selected range you can find the right material for virtually any application.

1.3344 Powder metallurgical steel


DIN:PM 6-5-3
AFNOR:X 130 WMoCrV 6-5-4-3
UNI:W 6 Mo 5 Cr 4 V 3
AISI:M 3-2 (PM)

Chemical composition:




≈ 870 N/mm²

Thermal conductivity at 100 °C:

24 W/m K


powder metallurgy high-speed steel with good machinability, high resistance to adhesive and abrasive wear, with optimal toughness due to the uniform and fine carbide structure, very good through hardenability and high dimensional stability


blocks for eroding, cutting punches and dies with particularly durable edges; inserts with highest wear resistance

Treatment by

highly suitable:
Mirror polishing, nitriding, EDM, coating


Heat treatment:

Soft annealing:
860 to 880 °C for about 2 to 5 hours
slow controlled cooling of 10 to 20 °C per hour to about 600 °C; further cooling in air, max. 260 HB


— 1180 °C
--- 1150 °C

-·-· 1100 °C

curing temperature: see tempering chart
quenching in oil/compressed gas/air/hot bath
obtainable hardness: 64−66 HRC


Slow heating to tempering temperature (in order to avoid formation of cracks) immediately after hardening;
tempering three times is recommended


Annealing graph:

Technical tip
  • excellent for PVD and CVD coating; highest dimensional stability because the steel was tempered at more than 520 °C.

To the mould making overview To the die making overview

Available in the web shop as:
Data sheet 1.3344 PM (PM23)

Open PDF

Material grades brochure

Material grades brochure

Material grades poster

Material grades poster

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