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Home>Products>Acciaiu di Strumenti di travagliu à Fretu>1.2746

cold working tool steel Mat.No. 1.2746, DIN 45NiCrMoV16-6 round bar

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quaternu di carichi

Designazione per Standards


Composizione chimica (in %)



Special cold work tool steel, air or oil hardenable with highest toughness.


Forging tools, dies of all sorts, shapes and sizes, hot forging and pressing tools for steel and metal. Moulds, bushings, piercers, etc.

Proprietà fisiche (valori medii) à a temperatura ambiente

Modulu d'elasticità [103 x N/mm2]: 210

Densità [g/cm3] : 7.86

Soft Annealing:

Calore à 610-850 ° C, rinfriscà lentamente in furnace. Questu pruducerà una durezza Brinell massima di 295.

Stress Relieving:

Stress relieving to remove machining stresses should be carried out by heating to approx. 650°C, 

holding for 1-2 hours at heat, followed by air cooling. 

This operation is performed to reduce distortion during heat treatment.


Harden from a temperature of 880-910°C followed by air or oil quenching or warm bath quenching 180-220oC. Hardness after quenching is 56 HRC.


Temperature Tempering: Vede i dati sottu.

Tempering Temperature (oC) vs. Hardness (HRC)

100 ° C200 ° C300 ° C400 ° C500 ° C550 ° C


Temperature di furmazione à caldu: 1100-900 ° C.



Disclaimer :

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

ItemDimensione (mm)prucessuCundizione di consegna

Ronda Bar

DIA 1.0 - 30Disegnu à fretu / rettifica senza centruBright & Anneal
DIA 20 - 80sbucciaturaBright & Anneal
DIA 13-180Rolled HotSuperficie nera & Anneal
DIA 70 - 400Laminato a caldo e forgiato a caldoSuperficie nera & Anneal
Pianu BarT 3.0-20 XW 20-100Rolled HotSuperficie nera & Anneal
BloccuT 20-200 X 300-800Laminato a caldo e forgiato a caldoSuperficie nera / Machine & Anneal
Rod RodDIA 5.5 - 13Rolled HotSuperficie nera & Anneal


T1.0 - 2.5Ghjuvatu fridduSuperficie nera & Anneal
T 2.5 - 8.0Rolled HotSuperficie nera & Anneal

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